Battery pack: cordless power tool
Products and reference designs
Battery pack: cordless power tool
Overview
Our integrated circuits and reference designs help you create battery packs and chargers for cordless power tools with highly reliable battery management solutions (BMS) for monitoring, protecting, balancing and gauging.
Design requirements
Modern battery packs for cordless power tools often require:
- Accurate voltage and current sensing.
- Voltage, temperature and current protection.
- Low standby current and ultra-low shipment power consumption.
- Capacity indication to accurately track battery charge status and predict available runtime.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Application note | 3~6 Cells Battery Management System Based On BQ76925+MSP430G2xx2 | 26 Aug 2014 | ||
| Analog Design Journal | Cell balancing buys extra run time and battery life | 17 Mar 2009 | ||
| Application note | Bq77905 Using Multiple FETs | 15 Jul 2016 | ||
| More literature | bq76925 Example Code | 14 Apr 2020 | ||
| More literature | bq769x0 I2C Sample Code With CRC | 14 Apr 2020 | ||
| Application note | bq769x0 Family Top 10 Design Considerations (Rev. A) | PDF | HTML | 05 Jul 2018 | |
| Application note | BQ77905 Design Considerations in High-Current Applications | 05 Dec 2016 | ||
| Application note | bq769x0 BMS Configurations for Cordless Appliances | 05 Apr 2019 | ||
| Application note | bq769x0 BMS Configurations for Cordless Appliances | 05 Apr 2019 |
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