Impedance Track is a trademark of Texas Instruments.
The bq20z60-R1 SBS-compliant gas gauge and protection IC, incorporating patented Impedance Track™ technology, is designed for battery-pack or in-system installation. The bq20z60-R1 measures and maintains an accurate record of available charge in Li-Ion or Li-Polymer batteries, using its integrated high-performance analog peripherals. The bq20z60-R1 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack, which reports the information to the system host controller over a serial-communication bus. It is designed to work with the bq29330 analog front-end (AFE) protection IC to maximize functionality and safety, while minimizing external component count and cost in smart battery circuits.
The Impedance Track™ technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables the remaining capacity to be calculated with discharge rate, temperature, and cell aging, which are all accounted for during each stage of every cycle with high accuracy.
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™* datasheet (Rev. A) | 24 Mar 2011 |
| Application note | Wide-Vin Battery-Charger Using SMBus MSP430 MCUs and bq Fuel Gauges (Rev. B) | 12 Jul 2019 | |
| Application note | bq20z90/bq20z95 to bq20z60/bq20z65 Change List. (Rev. A) | 19 Apr 2011 | |
| User guide | bq20z60-R1/bq20z65-R1 Technical Reference Manual | 22 Dec 2009 | |
| Application note | bq20z40/45/60/65 Printed-Circuit Board Layout Guide | 03 Dec 2009 | |
| Application note | bq20z40/45 and bq20z60/65 Gas Gauge Circuit Design | 10 Aug 2009 | |
| Application note | bq20z40/45 and bq20z60/65 EVM Data Flash Settings for Number of Serial Cells | 07 Aug 2009 | |
| Application note | bq20z40/bq20z45 and bq20z60/bq20z65 Data Flash Comparison | 09 Jul 2009 |
For additional terms or required resources, click any title below to view the detail page where available.
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| Package | Pins | Download |
|---|---|---|
| TSSOP (DBT) | 30 | View options |
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