Cymbet Distribution Training 20090602.ppt - Digi-Key Sheets/Cymbet/Cymbet... · • EnerChip...

Cymbet DistributionTrainingQ2-2009Q2-2009

Agenda

• Cymbet Introduction• Market Overview• EnerChip Fundamentals• EnerChip EVAL-05EnerChip EVAL 05• Back-up Power Applications• EnerChip EVAL-08

E H A li ti & D i C id ti• E-H Applications & Design Considerations• Product Roadmap• Tech Support Contacts• Summary

Q1-2009 2Cymbet Proprietary and Confidential©2009 Cymbet All Rights Reserved 2www.cymbet.com©2009 Cymbet All Rights Reserved

Cymbet Introduction


Cymbet’s Business: Solid-State Energy SolutionsSolid State Energy Solutions• Established in 2000:

– 38 employees (mostly technical)

• Cymbet has 40+ patents applied/granted including DOE technology licenses

• Captive Class 100 Cleanroom p• Component packaged device:

– Solid-state batteries on silicon– Thousands of recharge cycles– Low self-discharge, flat voltage profile– IC processing, packaging, reflow tolerant– Enables high-volume SMT manufacturing

• Environmentally-friendly:Environmentally friendly:– No harmful chemicals, RoHS

• EnerChips can be integrated with ICs• Enables permanent, self-powered IC Packaging, Bare Die


Enables permanent, self powered systems

g g& Modules

Environmental Benefits

Feature ImpactPermanent • EnerChips™ last life of product not thrown awayPermanent Solution

EnerChips last life of product, not thrown away• Uses fewer components – no sockets & holders

Solid State • Semiconductor manufacturing processes• Won’t leak dangerous chemicals or gasses• RoHS Compliant & Pb-free solder tolerant

Materials • Only trace amounts of Cobalt & LithiumMaterials Only trace amounts of Cobalt & Lithium• As shipped - no active lithium present in battery

Safety • Does Not contain Lead, Cadmium or Mercury• No flammable solvents - non-combustible• Safe to ship – no hazard to user or environment

Reusable • Enables Energy Harvesting & renewable energy


Reusable Enables Energy Harvesting & renewable energy sources

Cymbet Corporate Overview

• Top quality management team – 20+ years each in Semiconductor & Telecommunications industrySemiconductor & Telecommunications industry

• The leader in cost effective, green power for ICs:– 46 patents on small TFB devices; 19 from DOE46 patents on small TFB devices; 19 from DOE

• Venture structure: World class strategic investors:– $45mm invested to date; completing $10mm Series C

• Go To Market:– Over 160 Sales Reps in NA + Cymbet Applications team– Engaged with >200 Customers, sales to Fortune 500s– Distribution – DigiKey & Mouser, others in discussion


Cymbet Investors

C PC ed a r Po in t C a pit a l


Cymbet Widely Recognized as an Industry Innovatoran Industry Innovator

WON! 2009 Best Enabler Best of Sensors Expo Award for Green

Engineering:EnerChip EH Demo Kit

Frost and Sullivan 2008 Best

p2008 Gold Award

Fi li t f 2009 M t Frost and Sullivan 2008 Best Practices Award for Innovation in Battery

Technology

Finalist for 2009 Most Innovative Renewable

Energy Award:EnerChip EH Module

Tekne 2008 Award Winner for Best Small Advanced

Manufacturing Company

2009 Editors Choice for EnerChip CC

Embedded Computing Design Editors Choice Award 20082009 Readers Choice for

EnerChip EH Solar


EnerChip EH Solar Energy Harvesting

Cymbet Recent Press CoverageCoverage


Cymbet Path To Market

Cymbet Path To Market

ChannelTarget

ApplicationsCustomerSupport

Tools

Components& Solutions

y

Tools• Wireless

Communications• Energy

H ti

• ReferenceDesigns

• Application

3rd PartyPartnerships

Harvesting• Transducers• Sensors • RTC, uC, SRAM

B k

Notes• Development

Tools• Demo Boards

Direct Sales(Reps)

Back-up• Micro-Power

Rechargeable

• Evaluation Kits•ArticlesDistribution

Partners


N. Am. Sales Representatives


Cymbet Market Overview


Target Markets and Applications

Applications End Equipment• RTC back-up• Microcontroller keep-

alive• SRAM – non-volatility

• RAID controllers• Point-of-sale terminals• Copy and FAX machines

• Industrial control• Handheld/portable

devicesCons mer de icesSRAM non volatility

• GPS – Warm Start• Power mgm’t systems• Transition power

py• Medical and test equipment• Embedded systems• PCMCIA cards

• Consumer devices• Thermostats• Set-top boxes• Appliances

• Point-of-load power• Energy harvesting• Wireless sensors &

Data logging

• Blade servers• Networking & hubs• Test equipment• SmartCards

Appliances• Wireless sensors• Single-board

computersData logging • SmartCards

• PDAs & SmartPhones• PABX systems• Utility meters

• Digital cameras• Consumer

radios/clocks• GPS Navigation


G S a ga o

Semiconductor Back-up ApplicationsApplications

• Making processors, clocks & memory non-volatile:volatile:– Embedded processing & single-board computers– Blade-servers, storage arrays, RAID controllers

Point of sale terminals & set top boxes– Point-of-sale terminals & set-top boxes– Multi-function printers (copy, FAX & scan)– Industrial control, utility meters & HVAC (thermostats)– Consumer products: GPS appliances cell phones PDAs etcConsumer products: GPS, appliances, cell phones, PDAs, etc.


Wireless Sensor Applications

• Systems with many types of sensor inputs:Wireless 10% of wired cost for communications & control– Wireless 10% of wired cost for communications & control

– Monitor environment or equipment, logging information and control processes in military, medical, commercial and residential applications.

– Industrial control & factory automation HVAC home automation systemsIndustrial control & factory automation, HVAC, home automation systems, security and environmental monitoring temp, air, humidity, vibration, occupancy, proximity, chemicals, air-quality, etc.

• Wireless nodes use batteries that have a “built-in” cost ofWireless nodes use batteries that have a built in cost of maintenance cost – batteries must be replaced.– Opportunity to use available energy (e.g. solar) to power nodes


Precision AgricultureIrrigation Flow Monitoring & Control:• Wireless sensor networks to monitor the flow of water to minimize

over irrigationover-irrigation• Ground Moisture Sensors to target areas in need of irrigation – used

in agriculture, nursery & golf coursesCrop Moisture Detection:Crop Moisture Detection:• Powering sensor systems to detect yielded crop moisture for

determining market readiness reducing over drying


Energy & Building ManagementBuilding HVAC and Lighting Sensing/Control:• Self-powered sensors for temperature, humidity, CO2, p p , y, ,

light, occupancy for environmental controls reduce battery usage & reduce service costs

• Enables higher-efficiency & accurate control for greater g y genergy savings

• Security and asset monitoring


Other Applications

Medical• Reliable back-up power for medical equipment - blood

analyzers patient monitoring power bridging high valueanalyzers, patient monitoring, power bridging, high value equipment tracking.

• Applications – new capabilities for therapy and treatment due to size rechargability and energy harvestingdue to size, rechargability and energy harvesting

Cards and Asset ManagementE i t & t t it th l ti diti• Equipment & systems to monitor the location or condition of powered tags, RFID, Smartcards, SmartLabels, security cards, condition monitoring, intrusion detection.


• Tracking equipment in factory, hospitals & warehouses

EnerChips for Energy Harvesting and Back-up Powerand Back up Power

EnerChip products enable two important market solutions:– Permanent Self-Powered Wireless Sensors– Permanent, Self-Powered Wireless Sensors– Drop-in Back-up Power w/Battery Management

EnerChip Product Family


Energy HarvestingDevices

Back-up & µPower Solutions

EnerChip Fundamentals


EnerChip™ Construction

Single 6-Pin or 16-Pin SMT DFN/QFN Packageg g


Image Courtesy DOE-ORNL

EnerChip™ Assembly Process

EnerChip WaferEnerChip Die EnerChip Package

Diced Packaged

To Surface Mount Machine

To ReflowSolder

Final Assembly

EnerChip on Board


Board

EnerChip™ Family SpecsEnerChip EnerChip CC

Parameter CBC012 CBC050 CBC3112 CBC3150

Capacity (µAh) 12 50 12 50

Charge/Input Voltage 4.1 V 4.1 V 2.5 – 5.5 V 2.5 – 5.5 V

Charging time (minutes, to 80%) 30 50 30 50

Output Voltage(Nominal)

3.8 V 3.8 V 3.3 V 3.3 V(Nominal)

Resistance (Ohms) 5000 1500 5000 1500

Pulse Current( Ah 20mSec)

100 300 100 300(µAh, 20mSec)

Cycle Life (10% depth-of-discharge) > 5000 > 5000 > 5000 > 5000

Reflow tolerant Yes Yes Yes Yes


Reflow tolerant Yes Yes Yes Yes

Availability Now Now Sampling Sampling

Fast Recharge Specifications

Charge Current & Charge Capacity vs. Charge Time

100

120

4

4.5

Char

%Charge

60

80

2.5

3

3.5

harg

erge C

urrent/Ba

20

40

1

1.5

2

% C

attery Capacity

Charge Current

00 10 20 30 40 50 60 70

0

0.5

Time (minutes)

y


Time (minutes)

Flat Discharge Voltage Profile


Low Self-Discharge

Self-Discharge15

11

12

13

14

7

8

9

10

city

Los

t (%

)

Non-Recoverable

3

4

5

6

7

Cap

ac

Recoverable

0

1

2

3

0 1 2 3 4 5


Stand Time, Fully Charged (years)

Stable Capacity over Cycle Life

Capacity with Cycling70

50

60

70

30

40

50

paci

ty (µ

Ah) 4.2V

4.15V

4.1V

4.3V

4.0V

10

20

Cap

00 100 200 300 400 500 600 700 800 900 1000

Discharge Cycle #


Stable Cell Resistance


EnerChip CC and EVAL-05


Back-Up Power Solutions:Addressing Customer NeedsAddressing Customer Needs

• Designers need a reliable energy storage device with:Th d f h l– Thousands of recharge cycles

– Surface Mount Technology Packaging and Process– Reflow Tolerant– Low self Discharge – Flat output voltage profile

• They need to manage input power manage the battery and• They need to manage input power, manage the battery and control output power

• The ideal would be a “drop-in” power solution

To meet these needs Cymbet has introduced the


EnerChip CC with Integrated Battery Management

EnerChip™ CCIntegrated Battery ManagementIntegrated Battery Management

• Introducing the EnerChip CC:E Chi E St D i ith I t t d B tt– EnerChip Energy Storage Device with Integrated Battery Management:

• Charger and Supply supervisor managementg pp y p g• High-efficiency boost converter & low-ripple charger• Configurable switch point to battery when input power fails• Provides supply voltage status signals for power management• Provides supply voltage status signals for power management• Seamlessly enables EnerChip operation in 3.3V systems

– Saves board space & assembly costs:• Replaces 2 ICs and over 20 discrete components:• 7x7mm or 9x9mm DFN plus only two external SMT caps

– Part Numbers: CBC3112-D7C & CBC3150-D9C


– Part Numbers: CBC3112-D7C & CBC3150-D9C– Evaluation Platform – CBC-EVAL-05

EnerChip CC Block Diagram

EnerChip CC™ (CBC3150)

ModeControl

CMPR

VMODE

EnerChip CC (CBC3150)

ControlLogic

VOUT

NRESETEN

VIN

+

Cascaded EnerChips

(Up to 9)

+

ChargePump

VBAT

Integrated + +g

EnerChip

(CBC050)

Cn Cp


C-Fly

EnerChip CC Specifications


EnerChip CC Operation

• Backup battery (EnerChip) with integrated battery managementmanagement– Embedded solid state rechargeable battery – the

EnerChipp• Charge control and discharge cutoff control included

– Internal charge pump enables operation from 2.5V to 5.5V5.5V

• VOUT equals VIN under normal operation– EnerChip provides backup power when supply drops

below trip thresholdbelow trip threshold– Supply supervisory function with adjustable supply

voltage trip points


• Power fail indicator: Output signal drives MCU interrupt pin

CBC-EVAL-05 Kit Contents

Kit Contents:• EVAL-05 Board with CBC3112 & CBC3150• Quick-Start Guide• Applications CD with App notes Datasheets & Specs• Applications CD with App notes, Datasheets & Specs


EnerChip CC EVAL-05 Kit

• Evaluation Board – EVAL-05:– Enables user to functionally evaluate the CBC3150 and the CBC3112Enables user to functionally evaluate the CBC3150 and the CBC3112

EnerChip CC devices– 24-Pin DIP Format, mirror image layout– Provides CBC3150 on left edge & CBC3112 on the right edge– LED indicator for Charger Operation

• EVAL-05 Package Pin-out:


EVAL-05 Board Photo CBC-EVAL-05 Kit

EVAL-05 Schematic

EVAL-05 Schematic (Showing only CBC3150):C1 = Vin filter capacitor (1 0uF Typical)• C1 = Vin filter capacitor (1.0uF Typical)

• C2 = “Fly” Cap for Boost converter (0.1uF Typical)• D1 = Charge Indicator LEDg

CBC3150

PPowerIndicator LED


CBC3112

EVAL-05 Operating Modes

• The EVAL-05 contains 2 EnerChip CCs that can be used in multiple ways:in multiple ways:– CBC3150 Only– CBC3112 Only

‘050 EnerChip in the CBC3150 without the Charge Circuit– 050 EnerChip in the CBC3150 without the Charge Circuit– ‘012 EnerChip in the CBC3112 without the Charge Circuit– CBC3150 controlling the ‘012 EnerChip

CBC3112 t lli th ‘050 E Chi– CBC3112 controlling the ‘050 EnerChip– Both the CBC3112 & CBC3150 simultaneously

Note: Consult EVAL-05 Datasheet for specific configuration notes


Back-up Power and Micro-Power Applicationspp


EnerChip CC Applications

• Super-capacitor replacement:Power Bridge Applications: thermostats handhelds medical diagnostic– Power Bridge Applications: thermostats, handhelds, medical diagnostic equipment, GPS, and other system-critical components

• Coin cell replacement:– RTC, SRAM & CPU backup in Embedded Computing Systems, p p g y

• Replacing power management ICs:– Provides basic power monitoring function & back up switchover

• High-capacity applications:g p y pp– Use multiple EnerChips it expand up to 500uAh

• Low voltage applications:– Powering low-voltage systems: 2.5V & 3.3V

• Rechargeable Micro-Power– Power for Medical patch, Datalogging, Smart labels, RFID/RTLS, etc.

• Energy Harvesting:


– Wireless Sensors, Autonomous Controls, Inductive recharge, etc.

Microcontroller Backup ApplicationApplication

CBC3150

VOUT2

VDD3 VDD

VDD

1uF (MCU)

0.1uF

1uF

EN5

RESET8

VMODE6

CN10

CP9

VCHG4 Microcontroller

/INT

From MCU

(MCU)

7,11

-20

GND

1

VBAT

GND

• Simple two-wire microcontroller connection:

GND

Simple two wire microcontroller connection:– VOUT connects to microcontroller’s power pin – power to MCU

automatically switches from main power to backup battery when VIN goes below user selected threshold


– RESET/ connects to MCU interrupt input - indicates to MCU it is running off the internal backup battery

RTC Backup Application

• RTC with microcontroller isolation circuit:• RTC with microcontroller isolation circuit:– VOUT connects to RTC’s power pin – MCU runs off VIN (system power)– RTC is powered by EnerChip when VIN goes below selected threshold

RESET/ t t t f FET t i l t MCU’ d h ti


– RESET/ connects to gate of FET to isolate MCU’s ground when active– Pull-up resistors eliminate battery drain path through MCU control lines

EnerChip Backup Power

1000

Back-up Time Provided by Introductory Micro-Battery Products

100

12 50Battery Capacity (µAh)

10e (h

ours

)

10

Bac

kup

Tim

e

1

99% of poweroutages are lessthan 1 hour in duration


0

Battery Capacity vs. Capacitance

• Capacitors exhibit a decaying voltage profile, leading to wasted charge when the voltageleading to wasted charge when the voltage drops below the useful level for the circuit to operatep• Estored = ½ CV2 = ½ QV ½ C (V1

2 – ½V22)

• EnerChips have a relatively flat voltage profile, d li i l ll f it h t f ldelivering nearly all of its charge at a useful voltage• 90% of charge delivered at 3 8V (rate-dependent)90% of charge delivered at 3.8V (rate dependent)

• Conversion rule-of-thumb (dependent on system operating voltage range):


g g g )• 1 µAh battery capacity ≈ 1000 µF capacitance

Inductive Recharge Application

• Inductive Recharge using RFID near-field Antennas:– Uses 13.56MHz RF Source to charge EnerChip (e,g, RFID Reader)– Uses CBC3150 for minimum parts count


– Applications: Smart Patches, RFID Tags, Data-logging, medical sensors, etc.

EVAL-05 Summary

Evaluation Platform for EnerChip CC:• Enables evaluation of CBC3112 & CBC3150 in

single module• Seamless replacement of Super Caps & Coin• Seamless replacement of Super Caps & Coin

Cells• Reduced component and assembly costsReduced component and assembly costs• Saves valuable board space & height• Provides supply supervisor functionpp y p• Low-voltage operation compatible with 2.5V &

3.3V systems


• Expandable to over 500 uAh

Energy HarvestingOverview


Energy Harvesting Drives Many new ApplicationsMany new Applications

Cymbet participates in many EH market segments crossing many industries and applications such as:


EnerChip Energy Harvesting:Solving the Energy Storage ProblemSolving the Energy Storage Problem…

• Energy can be harvested from almost any environment:– Light, vibration, flow, motion, pressure, magnetic fields, RF, etc.

• Energy Harvesting applications include:– Permanently powered wireless sensors, – Hybrid & Active RFID, data logging and access control

• Self-Powered Systems need reliable energy storage:– Energy Sources are not always available: (Solar @night, motor vibration at

rest, air-flow, etc.)Longer operating times high efficiency minimizes charge loss– Longer operating times – high-efficiency minimizes charge loss

– Self-Powered allows remote locations & lower installation costs– High cycle life enables extended operation – fewer service calls

• Ideal solution is a highly-efficient eco-friendly energy storage device• Ideal solution is a highly-efficient, eco-friendly, energy storage device that can be cycled continuously for years

EnerChip™ EH products allow designers to quickly adopt


EnerChip EH products allow designers to quickly adopt energy harvesting, save energy and improve performance

Energy Harvesting TransducersEnerChip works with all…EnerChip works with all…

Energy Source ChallengeEstimated Power(in 1 cm3 or 1 cm2)( )

Light Conform to small surface area;Wide input voltage range

10µW-15mW(Outdoors: 0.15mW-15mW)

(Indoors: <10µW)

Vibrations Variability of vibration 1µW-200µWVibrations Variability of vibration 1µW 200µW(Electrostatic: 50µW-100µW)

(Electromagnetic: <1µW)

Thermal Small thermal gradients 15µW(10°C gradient)( g )

Piezoelectric Narrow Bandwidth (+/- 1Hz);Impedance matching

~ 200µW

RF & Inductive Coupling & rectification Various

Source: EE Times

Peltier - Thermo LifeSolar - Various


MIDE – Volture™ PiezoAdaptivEnergy – JouleThief™

EnerChip EH is the Enabler of Autonomous Wireless SensorsAutonomous Wireless Sensors

Cymbet’s EnerChips

provide these functions


Self-Powered Wireless Sensor:TI – eZ430-RF2500-SEH Evaluation KitTI – eZ430-RF2500-SEH Evaluation Kit

EnerChip Solar Energy Harvesting Module Wireless

End

WirelessAccessPoint

Device

• TI eZ430-RF2500-SEH Dev Kit available now at TI e-store and major Distributors

• Compact module with integrated solar cell p g• Works in low light – down to 200Lux• Low self-discharge enables high-efficiency • No battery replacement or disposal; 10-

year lifeyear life• Uses the EnerChip EH CBC5300 – Energy

Harvesting Module• CBC-EVAL-08 is Cymbet’s version of Solar

EH Board for custom Energy Harvesting


EH Board for custom Energy Harvesting designs TI’s eZ430-RF2500-SEH

Evaluation Kit Contents

CBC5300 EH ModuleCBC5300 EH Module&

EnerChip EVAL-08


EnerChip EH Products

• EnerChip EH Module – CBC5300:– Capacity = 100uAh, uses 2 CBC050sp y– Compatible with solar, inductive, piezo & thermoelectric transducers– No battery replacement or disposal; 10-year life– Provides control signals to enable “Energy Aware” sensor nodes

Low self discharge enables high efficiency– Low self-discharge enables high-efficiency – Order P/N: CBC5300-24C

• Solar Evaluation Board – EVAL-08:– Solar Energy Harvesting Demo Kit CBC5300Solar Energy Harvesting Demo Kit– Compact module with integrated

solar cell array– Works in low ambient light:

• Down to 200Lux

CBC5300 Module

I t f• Down to 200Lux– Uses the EnerChip CBC5300– Adaptable to many sensors and

wireless networks via Interface

Interface Header


Header– Order P/N: CBC-EVAL-08

CBC5300 Electrical Characteristics

• EnerChip EH Module – CBC5300:

CBC5300 Module


CBC5300 Module Details


EVAL-08 Overview

• Introduction:E Chi S l E H ti D Kit th t d t t– EnerChip Solar Energy Harvesting Demo Kit that demonstrates ‘battery-free’ power source for wireless sensor networks, actuators, and other low power systems

• Intended to drive low power systems containing microcontrollers, radios, and sensors

• On-board energy storage (EnerChips) powers systemOn board energy storage (EnerChips) powers system when ambient power not available

• Delivers average power of several hundred µW and pulse power up to a few hundred mW depending on pulse width


EnerChip EVAL-08 Kit

• CBC-EVAL-08 Contents:– CBC5300 EH Module on CBC-SEH-01-DK Board– 5-Conductor Ribbon Cable to interface to target board– Quick-Start Guide & Apps CD with App notes, Datasheets & Specs


EVAL-08 Operation

• Converts power from ambient light to charge 2 on-board EnerChips and power external circuits (e g radio MCU)and power external circuits (e.g., radio, MCU)

• Handshake signals BATOFF and CHARGE/ interface with MCU to optimize power delivery and extend life of EnerChips

• Alternative transducers (e g thermoelectric piezoelectric) may be• Alternative transducers (e.g., thermoelectric, piezoelectric) may be connected in addition to - or instead of - photovoltaic cell


EVAL-08 Jumpers and ConnectorsConnectors

Cut trace to isolate photovoltaic cell if using alternative poweralternative power transducer

Transducer input –optimized for photovoltaic cell

Alternative power


Alternative power transducer may be connected here

EVAL-08 Solar Cell InformationInformation

• Solar Cell Specifications (FL 200 p (Lux)– VOC = 1.2V

I = 212 µA– ISC = 212 µA– VOP / IOP = 0.8V / 201µA– Output impedance over the range of 58Ω

t 4kΩto 4kΩ– Input voltage range of 270mV to 1.5V– Minimum open circuit voltage to start

operation = 700mV– Peak efficiency = input voltage of 800mV

to 1.0V at 1kΩ


EVAL-08 Piezo Connections

• If Customer wants to use a Piezo Transducer with their EVAL-08:– Board has Piezo connections (PT1)– Interface not designed for maximum efficiency– High-efficiency interface to be supported in g y pp

future EH Module– For customer support using Piezos, contact

Cymbet Applications:• [email protected] or use www.cymbet.com


EVAL-08 Operating Characteristics


EVAL-08 Troubleshooting

1. Using a voltmeter, put the ground lead on J5 pin 4 and probe J7 (left pin). Voltage should be 1.0V. This test verifies operation of the photovoltaic cell.g p p

2. Probe right side of the tantalum capacitor (brown bar side) on the CBC5300 module. Voltage should be between 4.5V and 9V depending on ambient light and battery state-of-charge. This test verifies operation of the boost converter.

3. Probe the positive (bottom side) terminal of capacitor C2 on the CBC-EVAL-08. Voltage should be 4.06V, or steadily increasing if there is no output voltage When the capacitor voltage reaches 3 8V the output will turn onvoltage. When the capacitor voltage reaches 3.8V, the output will turn on from zero volts to the voltage across capacitor C2. Note C2 will not be charging if the EnerChips are depleted. When the CBC-EVAL-08 is first powered up, the CBC5300 will first charge the EnerChips, then charge the output capacitor C2, then switch on the output when C2 is charged.

4. Probe J5 Pin 3 (VBAT). This pin should be at 4.06V.5. Probe J5 Pin 5 (VOUT). This pin should be at 3.5V.


EVAL-08 Troubleshooting (Pt. 2)

6. Probe J5 Pin 1 (CHARGE/). This pin should be at zero volts if the EnerChips are charged and enough ambient energy is available to operate p g g gy pthe CBC5300 module. Depending on the input impedance of the voltmeter, a high level on this pin would read between 1.0V and 3.5V.

7. If none of the above works, check pin 1 on one of the EnerChips on the CBC5300 d l ( i h i l d i h l b d) i di d i hCBC5300 module (with it plugged into the solar board), as indicated in the figure below. It should read approximately 3.9V. If the voltage is less than 3.0V, the EnerChips have been damaged.

8 In applications where a radio is being used - as in wireless sensor networks8. In applications where a radio is being used - as in wireless sensor networks - there can sometimes be external electrical interference with the radio signal that causes the radio receiver to stay on longer than normal.

– If this happens, the CBC-EVAL-08 output capacitor C2 will become discharged and the low battery cutoff circuit will engage, isolating the EnerChips from the load.

– It can take from several minutes to an hour or more for the EnerChips and output capacitor to be recharged.


p g

Energy HarvestingDesign Considerationsg


Energy Harvesting Block DiagramDiagram

Transducer input Boost Convertor

Charge Controller

Energy Charge

Active Feedback

Energy Aware Logic Battery V

Vout2

GroundBattery Off

• I/O Pin Description:Ch O i di h h b i b i h d– Charge: Output - indicates that the batteries are being charged

– Battery off: Input – disconnects battery from charger– Battery V: Output – raw battery voltage– Ground : output - ground


p g– Vout2 : output – stepped down battery voltage for 3.3 volt systems

Typical Low Power Transceiver

PA

Modulator

Tx Power StageCalibration Circuit

Modem Interface

gFrequency

Synthesizer

LN Band pass ADCClock / DataR

Selectivity

A

Filter ADC Recovery

Rx Sensitivity


Transmission Power

Receive ~ 20maTransmit ~ 20ma

2

3,4

Frequency Synth ~ 10maActive/Calibration

1

2

Sleep ~1 ua 1

50ms 100ms 150ms 200ms1. Sleep current is an important number, but as important is the time in the duty

cycle the transceiver is in the sleep mode2. The Frequency Synthesizer’s low power performance is measured in the

settling time from sleep mode and how well it retains it’s accuracy (fewersettling time from sleep mode and how well it retains it s accuracy (fewer calibration cycles required).

3. Receive Polling is a nice feature in a transceiver as long as the polling period is adequate to pick up the network’s messages.


4. Transmit and Receive require the highest power usage. Network and data payload settings in the user’s application can drastically effect power.

Calculating Energy Usage

7.4mA x 809us

1.5mA x ~350us

~809us

~ 0.1us

15mA x 7.5ms

~ 990ms

1.5mA x 0.1us

700nA x 990ms

ExternalOscillatorSettling

Receiveor

Transmit

RadioIn

Idle

RadioIn

Sleep

FrequencySynthesizerCalibration


145pA Hr + 1.67nA Hr + 31.25nA Hr + 41.6fA Hr + 192pA Hr = 33nA Hr = 392 uJoules

Output Capacitor Requirements

• Sizing of output capacitor depends on several factors:– Battery impedance & voltagey p g– Temperature– Pulse current amplitude & duration– Allowable voltage drop during discharge

• Calculating output capacitor size:– C = t / R * [ -ln ( Vmin / Vmax ) ]

• C= output capacitance• t = pulse duration• R= load resistance = Vout(average) / Ipulse

– Vmin and Vmax are dependant on the minimum operating voltage of the external circuitexternal circuit

• Charge time determines maximum duty cycle:– Charge formula: t= R * C [ - ln ( 1 – Vmin / Vmax ) ]

• T = charging time


T charging time• R = battery resistance• C = output capacitance

Pulse Current Voltage Profile During RF TransmissionDuring RF Transmission


Cymbet Energy Harvesting Summary

• Lower Cost Transducers and energy storage enable cost effective energy harvesting:enable cost effective energy harvesting:– Solar– Piezo

Generators spinning vanes air fluid gasses– Generators – spinning vanes – air – fluid - gasses– Thermal Electric– RF induction

CBC012 & CBC050 = Available Now• Make your system “Energy Aware”

– This will enable the most efficient use of availableThis will enable the most efficient use of available energy

– Peak Power tracking and power factor correction designs will be the most efficient design


designs will be the most efficient design

Product Roadmap


Cymbet Product Roadmap

DemoEnerChip Eval-07

ANT Pack Demo Kit

EnerChip Solar Energy Harvesting EVAL 08 D Kit

Texas Instruments Wireless Solar

E H tiDemoKits

ANT Pack Demo Kit EVAL-08 Demo KitEnergy Harvesting Demo Kit

EnerChip Eval-01Eval KitEvaluation

Kits +Modules

EnerChip CCEval-05Eval Kit

EnerChip Solar EH ModuleCBC5300

EnerChip Inductive EH ModuleCBC5301

EnerChipCBC012

EnerChip CCCo-package

CBC3150EnerChipCBC050

EnerChip CCCo-package

CBC3112EnerChipCBC085

EnerChipIntegration

CBC012 CBC3150CBC3112


Time

Q3/Q4 2008 Q1/Q2 2009 Q3/Q4 2009

Tech Support Contacts


Cymbet Support Contacts

• General Technical Support:Web site support page: www cymbet com/– Web site support page: www.cymbet.com/

• Cymbet Applications:– Email: apps@cymbet com– Email: [email protected]

• Contacts:– Roger Roisen Principle Eng (763) 633-1795Roger Roisen, Principle Eng. (763) 633 1795

[email protected]– Jeff Sather, VP Solutions, (763) 633-1791,

[email protected]– Blair Wilson, VP Sales, (763) 635-1731

bwilson@cymbet com


– [email protected]

Summary


Broad Product Offering

Energy Harvesting Back-up Power

• EnerChip CC withIntegrated Battery Mgmt

•EnerChip 12µAh

• EnerChip EH Module• EnerChip 50µAh

•EnerChip CC 12µAh with• EnerChip EH for ANT

EnerChip CC 12µAh withIntegrated Battery Mgmt

•EnerChip CC 50µAh with• EnerChip Solar Eval Kit

TI Wi l EH D Kit

p µIntegrated Battery Mgmt

• EnerChip CC Eval Kit


• TI Wireless EH Demo Kit

EnerChip™ Ordering Info

UPDATE THIS SLIDE – SHOULD BE ONLY CBC5300, EVAL-08 & EVAL-09!Cymbet EnerChip™ is the trademarked product name:Cymbet EnerChip is the trademarked product name:• Cymbet Part Numbers:

Part Number Capacity Description AvailabilityCBC012 D5C 12 Ah NOWCBC012-D5C 12 uAh

Stand-Alone Battery

NOWCBC050-M8C 50 uAh NOWCBC085-M8C 85 uAh Q2-’09CBC3112-D7C 12 uAh EnerChip + SamplesCBC3112 D7C 12 uAh EnerChip +

Integrated Battery Management

Samples Dec ’08

Production Q1CBC3150-D9C 50 uAh

CBC-EVAL-05 12 & 50 uAh

EnerChip CC Evaluation Board Early Jan ‘09

• Package code & Temp range:– D5 = 5 x 5 DFN, D7 = 7 x 7 DFN, D9 = 9 x 9 DFN, M8 = 8 x 8 QFN

C = Commercial Temp Range = 20 to +70 Deg C

uAh Evaluation Board y


– C = Commercial Temp Range = – 20 to +70 Deg C– Available in Tubes, Waffle Pack and Tape & Reel

Summary

• The EnerChip is the next advancement in rechargeable micro-power sourcesrechargeable micro power sources– Improved performance & new functionality– SMT assembly, reflow tolerant, & RoHS– Lower environmental impactp– New approach to distributing energy at the

chip, board and sub-system level• Energy Harvesting Modules & Kits availablegy g• EnerChip CC products introduced & sampling• Growing sales organizations & distribution channels• Second Fab Facility in planning stagesSecond Fab Facility in planning stages• New Products:

– Inductive & Piezo EH Modules – 2H 2009– High-Capacity device available in early 2010


– High-Capacity device available in early 2010

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