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BQ35100

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Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor

Product details

Cell chemistry Primary Lithium Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack, System External capacity indication None Features Accumulated Coulomb Count, End of Service Operating temperature range (°C) -40 to 85 Rating Catalog
Cell chemistry Primary Lithium Number of series cells Single Cell Communication interface I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack, System External capacity indication None Features Accumulated Coulomb Count, End of Service Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (PW) 14 32 mm² 5 x 6.4
  • Fuel gauge and battery diagnostics for flow meter applications predict end-of-service or early battery failure
    • Supports lithium thionyl chloride (Li-SOCl2) and lithium manganese dioxide (Li-MnO2) chemistry batteries
    • Accurate voltage, temperature, current, and coulomb counter measurements that report battery health and service life
    • State-of-health (SOH) algorithm for Li-MnO2
    • End-of-service (EOS algorithm for Li-SOCl2)
    • Coulomb accumulation (ACC) algorithm for all battery types
  • Ultra-low average power consumption to maximize battery run time
    • Gauge enabled through host-controlled periodic updates
    • State-of-health (SOH) ~0.06 µA
    • End-of-service (EOS) ~0.35 µA
    • Coulomb accumulation (ACC) diagnostic updates ~0.3 µA
  • System interaction capabilities
    • I2C host communication, providing battery parameter and status access
    • Configurable host interrupt
    • Battery information data logging options for in operation diagnostics and failure analysis
    • SHA-1 authentication to help prevent counterfeit battery use
  • Fuel gauge and battery diagnostics for flow meter applications predict end-of-service or early battery failure
    • Supports lithium thionyl chloride (Li-SOCl2) and lithium manganese dioxide (Li-MnO2) chemistry batteries
    • Accurate voltage, temperature, current, and coulomb counter measurements that report battery health and service life
    • State-of-health (SOH) algorithm for Li-MnO2
    • End-of-service (EOS algorithm for Li-SOCl2)
    • Coulomb accumulation (ACC) algorithm for all battery types
  • Ultra-low average power consumption to maximize battery run time
    • Gauge enabled through host-controlled periodic updates
    • State-of-health (SOH) ~0.06 µA
    • End-of-service (EOS) ~0.35 µA
    • Coulomb accumulation (ACC) diagnostic updates ~0.3 µA
  • System interaction capabilities
    • I2C host communication, providing battery parameter and status access
    • Configurable host interrupt
    • Battery information data logging options for in operation diagnostics and failure analysis
    • SHA-1 authentication to help prevent counterfeit battery use

The BQ35100 Battery Fuel Gauge and End-Of-Service Monitor provides highly configurable fuel gauging for non-rechargeable (primary) lithium batteries without requiring a forced discharge of the battery. Built so that optimization is not necessary to achieve accurate gauging, the BQ35100 device uses patented TI gauging algorithms to support the option to seamlessly replace an old battery with a new one.

The BQ35100 device provides accurate results with ultra-low average power consumption where less than 2 µA can be achieved through host control via the GAUGE ENABLE (GE) pin. The device is only required to be powered long enough, at a system-determined update frequency, to gather data and to make calculations to support the selected algorithm. A typical system may need to only be updated once every 8 hours as the gauge is not required to be powered to measure all discharge activity.

The fuel gauging functions use voltage, current, and temperature measurements to provide state-of-health (SOH) data and end-of-service (EOS) warning information where the host can read the gathered data through a 400-kHz I2C bus. An ALERT output, based on a variety of configurable status and data options, is also available to interrupt the host.

The BQ35100 Battery Fuel Gauge and End-Of-Service Monitor provides highly configurable fuel gauging for non-rechargeable (primary) lithium batteries without requiring a forced discharge of the battery. Built so that optimization is not necessary to achieve accurate gauging, the BQ35100 device uses patented TI gauging algorithms to support the option to seamlessly replace an old battery with a new one.

The BQ35100 device provides accurate results with ultra-low average power consumption where less than 2 µA can be achieved through host control via the GAUGE ENABLE (GE) pin. The device is only required to be powered long enough, at a system-determined update frequency, to gather data and to make calculations to support the selected algorithm. A typical system may need to only be updated once every 8 hours as the gauge is not required to be powered to measure all discharge activity.

The fuel gauging functions use voltage, current, and temperature measurements to provide state-of-health (SOH) data and end-of-service (EOS) warning information where the host can read the gathered data through a 400-kHz I2C bus. An ALERT output, based on a variety of configurable status and data options, is also available to interrupt the host.

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Technical documentation

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Type Title Date
* Data sheet BQ35100 Lithium Primary Battery Fuel Gauge and End-Of-Service Monitor datasheet (Rev. E) PDF | HTML 08 Apr 2019
* User guide bq35100 Technical Reference Manual (Rev. C) 26 Mar 2018
Application note How to Configure the BQ35100 for EOS Mode PDF | HTML 15 Sep 2022
Application note Alternative Gauging Techniques for Flow Meters and the Benefits of the bq35100 15 Nov 2018
Technical article Facing smart meter design challenges, part 1: maximizing battery life PDF | HTML 16 Aug 2018
Application brief Using the BQ35100 with Li-Primary Based Applications 20 Jun 2018
Application note Gauge Communication 12 Jan 2017
Application note Using I2C Communications With the bq34110 bq35100 and bq34z100-G1 Series of Gas PDF | HTML 09 Nov 2016
EVM User's guide bq35100EVM-795 Evaluation Module User’s Guide 12 Jul 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

BQ35100EVM-795 — bq35100 Lithium Primary Cell Evaluation Module Using End-of-Service Monitor Gas Gauging

BQ35100EVM-795 is a complete system useful for evaluating the functionality of the bq35100 fuel gauging and End-of-Service monitoring algorithms. As described on the BQ35100 product folder, this gauge is appropriate for applications powered by one cell to multicell lithium primary (...)
User guide: PDF
Not available on TI.com
Application software & framework

BQSTUDIO-STABLE Battery Management Studio (bqStudio) Software – stable version downloads for bq series of TI battery fuel gauges

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

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Supported products & hardware

Supported products & hardware

Products
Battery monitors & balancers
BQ76942 3-series to 10-series multicell battery monitor and protector BQ76952 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
Battery charger ICs
BQ24800 SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25790 Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27520-G4 System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27545-G1 Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 Impedance Track™ integrated circuit gas gauge solution for 1-series BQ28Z610 Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 CEDV li-ion gas gauge and battery management controller BQ78Z100 Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
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Application software & framework

BQSTUDIO-TEST Battery Management Studio (bqStudio) Software – Beta version downloads

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

Supported products & hardware

Supported products & hardware

Products
Battery monitors & balancers
BQ769142 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery BQ76942 3-series to 10-series multicell battery monitor and protector BQ76952 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
Battery charger ICs
BQ24800 SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25756 Stand-alone or I²C controlled 70-V bidirectional buck-boost charge controller with MPPT BQ25790 Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27427 Single-cell battery fuel gauge with pre-programmed chemistry and integrated sense resistor BQ27510-G3 System-side Impedance-Track fuel gauge that provides 32 bytes of user-programmable data Flash memory BQ27520-G4 System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27541-G1 Pack-side Impedance Track™ battery fuel gauge with integrated LDO BQ27541-V200 Single cell Li-ion battery fuel gauge for battery pack Integration; FW upgrade to BQ27541 BQ27542-G1 Single cell Impedance Track™ pack side fuel gauge with SON package BQ27545-G1 Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z746 Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector BQ28Z610 Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 CEDV li-ion gas gauge and battery management controller BQ78Z100 Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
Hardware development
MKST-3P-ALT-EV2300 MKS Technology alternative for EV2300 communications transceiver
Download options
Software programming tool

BQ-BMS-PROGRAMMER-SW Command line programmers for BQ products

BQ-BATTERY-PROGRAMMER-SW software development kit (SDK) is a collection of robust software command line tools that assist with the process of programming, testing, or assembling packs that use TI Battery management products. The executables in this software work with the MKST-3P-ALT-EV2300 MKS (...)

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Supported products & hardware

Supported products & hardware

Products
Battery fuel gauges
BQ20Z40 SBS Compliant Gas Gauge with Impedance Track Technology for use with BQ29330 BQ20Z40-R1 SBS 1.1 compliant Gas Gauge with Impedance Track™ Technology BQ20Z70-V150 SBS 1.1-compliant gas gauge enabled with Impedance Track™ technology BQ20Z70-V160 SBS 1.1-compliant gas gauge enabled with Impedance Track™ technology for use with the bq29330 BQ20Z80 SBS 1.1-compliant gas gauge enabled with Impedance Track™; technology for use with the bq29312 BQ20Z80-V102 SBS 1.1-compliant gas gauge enabled w/Impedance Track™ technology BQ20Z80-V110 SBS 1.1-compliant gas gauge enabled w/Impedance Track™ technology with FW v1.10 BQ20Z80A-V110 SBS 1.1 compliant gas gauge enabled with Impedance Track™; technology for use with the bq29312A BQ27505-J2 System-side Impedance Track™; fuel gauge with FW v2.15 BQ27505-J3 System-side Impedance Track™; fuel gauge with FW v2.20 BQ27505-J4 System-side Impedance Track™; fuel gauge with FW v2.24 BQ27505-J5 System-side Impedance Track™; fuel gauge with FW v2.29 BQ27520-G4 System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27545-G1 Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27741-G1 Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z561-R1 Impedance Track™ battery gas gauge solution for 1-series cell Li-ion battery packs BQ27Z561-R2 Impedance track battery gas gauge solution for 1-series cell li-ion battery packs BQ27Z746 Pack-side, single-cell Impedance Track™ technology fuel gauge with integrated protector BQ28Z610 Battery fuel gauge with integrated protector for 1-2 series packs BQ28Z610-R1 Battery fuel gauge with integrated protector for 1-2 series packs BQ28Z620 Battery fuel gauge with integrated protector for 1-series to 2 series packs with 1.2-V I/O BQ3050 SBS 1.1-compliant 2-s to 4-s battery gas gauge & protection BQ3055 2-series, 3-series, and 4-series Li-ion battery pack manager BQ3060 SBS 1.1-compliant gas gauge and protector BQ30Z554-R1 2 series, 3 series, and 4 series Li-ion battery pack manager BQ34110 Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100 1-s to 16-s Impedance Track™ fuel gauge | battery gas gauge BQ34Z100-G1 Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ34Z100-R2 Multichemistry Impedance Track™ stand-alone fuel gauge BQ34Z110 Wide range fuel gauge with Impedance Track™; for lead acid batteries | battery gas gauge BQ35100 Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ78350 Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 CEDV li-ion gas gauge and battery management controller BQ78350-R1A CEDV li-ion gas gauge and battery management controller
Hardware development
Evaluation board
ADVANCED-BQMTESTER Texas Instruments Advanced bqMTester Multi-Station Test and Program Board BQ27510EVM System-Side Single-Cell Impedance Track™ Technology Evaluation Module  | Battery Fuel Gauge BQ27520EVM System-Side Impedance Track™ Battery Fuel Gauge Evaluation Module | Gas Gauge BQ27530EVM BQ27530EVM System-Side Impedance-Track Fuel (Gas) Gauge Direct Battery Connection Evaluation Module BQ27531EVM Battery Management Unit Impedance Track Fuel (Gas) Gauge Charger Controller Evaluation Module BQ27532EVM-656 Battery Charging Solution Evaluation Module BQ27542EVM Li-ion Battery Fuel Gauge Evaluation Module BQ27545EVM BQ27545EVM Single Cell, Pack Side, Impedance Track Fuel Gauge Evaluation Module BQ27546EVM-702 bq27546 Gas Gauge with Impedance Track™ Technology BQ27741EVM BQ27741EVM Pack-Side Impedance Track Fuel (Gas) Gauge Integrated Protector Evaluation Module BQ27742EVM bq27742-G1 Single Cell Li-ion Battery Fuel (Gas) Gauge Programmable Evaluation Module BQ27750EVM-837 BQ27750 1-Cell Programmable Battery Manager Evaluation Module BQ27Z561EVM-011 BQ27Z561 1S-cell programmable battery manager Evaluation module BQ27Z746EVM-047 BQ27Z746 evaluation module Impedance Track™ technology battery gas gauge with protection solution BQ28Z610EVM-532 BQ28Z610 1-Cell to 2-Cell Programmable Battery Manager Evaluation Module BQ28Z620EVM-071 BQ28Z620 evaluation module for one- or two-series cell Li-Ion Impedance Track™ battery fuel gauge BQ3050EVM-001 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge EVM BQ34110EVM-796 bq34110 Multi-Chemistry CEDV Battery Gas Gauge for Rarely Discharged Applications Evaluation Module BQ34210IQ1EVM-826 bq34210-Q1 Evaluation Module for System Side CEDV Fuel Gauge BQ34Z100EVM Bq34z100EVM 1s to 16s Impedance Track Fuel Gauge Battery Evaluation Module | Gas Gauge Battery BQ35100EVM-795 bq35100 Lithium Primary Cell Evaluation Module Using End-of-Service Monitor Gas Gauging BQ4050EVM-561 1 Series, 2 Series, 3 Series, and 4 Series Li-Ion Battery Pack Manager Evaluation Module BQ40Z50EVM-561 BQ40Z50 evaluation board  BQ40Z60EVM-578 2 Series, 3 Series, and 4 Series Li-Ion Battery Pack Manager Evaluation Module BQ40Z80EVM-020 BQ40Z80 2s-7s Battery Gauge Evaluation Module BQMTESTER BQMTESTER Multi Channel Test and Program Board MKST-3P-ALT-EV2300 MKS Technology alternative for EV2300 communications transceiver
Software
Application software & framework
BQ-HI-PRODUCTION Production Application Software for Hi-Cell Count Battery Fuel (Gas) Gauges BQ27Z561-R2-DEVICE-FW BQ27Z561 firmware: impedance track battery gas gauge solution for 1-s cell li-ion battery BQEVSW BQ evaluation software (BQEVSW) v0.0.92 for BQ30Z554-R1 BQPRODUCTION Production tool for fourth generation multicell battery fuel (gas) gauges BQPRODUCTION-SINGLECELL Production Software for Single Cell Battery Fuel (Gas) Gauges BQSTUDIO Battery Management Studio (bqStudio) Software
Support software
BQ20Z60-R1_BQEVSW-SW BQ20Z60-R1 bqEASY Software BQ20Z65-R1_BQEVSW-SW BQ20Z65-R1 bqEASY Software BQ27Z746-DEVICE-FW BQ27Z746 family of gauges firmware BQ28Z610-DEVICE-FW BQ28Z610 family of gauges firmware BQ3060-BQEVSW-SW BQ3060 bqEVSW Software BQ40Z50-DEVICE-FW BQ40Z50 family of gauges firmware
Software programming tool
BQKEYPACKAGER Package Key Software for Battery Fuel Gauges BQKEYPROGRAMMER Program Key Software for Battery Fuel Gauges BQ28Z620-DEVICE-FW BQ28Z620 family of gauges firmware BQ34Z100-DEVICE-FW BQ34Z100 family of gauges firmware
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Support software

SLUC623 bq35100 Firmware

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Supported products & hardware

Supported products & hardware

Products
Battery fuel gauges
BQ35100 Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor
Reference designs

TIDA-01546 — Battery and System Health Monitoring of Battery Powered Smart Flow Meters Reference Design

This reference design showcases innovative solutions for battery and system health monitoring of battery-powered Smart Flow Meters.  The battery monitoring subsystem provides highly accurate energy measurement and State of Health(SOH) projections which forecast battery lifetime. The system (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-01236 — Reference Design to Extend Coin Cell Battery Run Time in Wireless Ultrasonic Gas Leak Detector

This reference design demonstrates a low-power wireless sensor which detects gas leaks by analyzing the ultrasonic spectrum for particular signatures. The system is designed to operate from a single Li-Primary coin cell and communicate wirelessly to a base station, which removes all requirements (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
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