Datasheets, Samples & EVMs 

Download Datasheets 
bq27520-G1 bq27501
bq27505-J4 bq27541-V200
bq27510-G2 bq20z40
bq27500-V130 bq20z45

Order Samples & EVMs 
bq27520-G1 Sample
bq27505-J4 Sample
bq27510-G2 Sample
bq27500-V130 Sample
bq27501 Sample
bq27541-V200 Sample
bq20z40 Sample EVM
bq20z45 Sample EVM

Application Notes

  • Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track™ Gas Gauge
    June 2009
    Download
  • Configuring the bq20z40/bq20z45 Data Flash
    June 2009
    Download
  • Single Cell Gas Gauge Application Book
    July 2008
    Download
  • bqEASY for Configuring Single Cell Gas Gauge bq27501
    January 2009
    Download

Guide

Power Management Guide Power Management Guide
Download

Catalog

Battery Chargers Catalog Battery Chargers Catalog
Download

Battery fuel gauges with Impedance Track™ technology

Single-cell and multi-cell battery fuel gauges from Texas Instruments accurately predict battery run time. Featuring TI’s patented Impedance Track technology, the IC maintains accuracy for the entire life of the battery under all conditions, reserves energy to save data and never sacrifices run time.
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Single-cell battery fuel gauges for handhelds
Device Description Package (mm) Datasheet Sample
bq27520-G1 System-side Impedance Track Fuel Gauge with LDO 15-ball WCSP, 2.7X2 Download Datasheet Order Development Kits
bq27505-J4 System-side Impedance Track Fuel Gauge 12-ball WCSP, 2.5X2 Download Datasheet Order Development Kits
bq27510-G2 System-side Impedance Track Fuel Gauge with Integrated LDO 12-pin SON, 2.5 x 4 Download Datasheet Order Development Kits
bq27500-V130 System-side Impedance Track Fuel Gauge 12-pin SON, 2.5 x 4 Download Datasheet Order Development Kits
bq27501 System-side Impedance Track Fuel Gauge for batteries of different chemistries & rated capacities 12-pin SON, 2.5 x 4 Download Datasheet Order Development Kits
bq27541-V200 Battery Pack-side Fuel Gauge with Integrated LDO 12-pin SON, 2.5 x 4 Download Datasheet Order Development Kits


Multi-cell fuel gauges for netbooks, notebooks
Part No.      Description Package Datasheet Sample
bq20Z40-R1 SBS 1.1 compliant Gas Gauge with Impedance Track™ Technology 20-pin TSSOP Download Datasheet Order Development Kits
bq20Z45-R1 SBS 1.1 compliant Gas Gauge with Impedance Track™ Technology 38-pin TSSOP Download Datasheet Order Development Kits
bq20Z60-R1 SBS 1.1 compliant Gas Gauge with Impedance Track™ Technology 30-pin TSSOP Download Datasheet Order Development Kits
bq20Z65-R1 SBS 1.1 compliant Gas Gauge with Impedance Track™ Technology 44-pin TSSOP Download Datasheet Order Development Kits
bq20z40 Impedance Track™ gas gauge and advanced charging algorithm 20-pin TSSOP Download Datasheet Order Development Kits
bq20z45 Impedance Track™ gas gauge and advanced charging algorithm with bq29330 38-pin TSSOP Download Datasheet Order Development Kits
 
  

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