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RFQ ListingPower Management ICs
BQ28Z620DRZR is a TI battery management fuel gauge for 1- and 2-series cell Li-Ion/Li-polymer packs, using Impedance Track technology for state-of-charge and state-of-health accuracy with integrated protection FET control and I2C host communication in a 12-pin SON package.
ManufacturerTexas Instruments
PackageSON (DRZ), 12-pin
SeriesBQ28Z620
Technical Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Battery fuel gauge with integrated protection FET control for 1-2 series cell packs |
| Gauging Technology | TI Impedance Track state-of-charge and state-of-health algorithms |
| Interface | I2C host interface with configurable data flash parameters |
| Cell Chemistry | Li-Ion and Li-polymer 1s/2s battery packs |
| Measurement | Voltage, current and temperature monitoring with integrated ADC |
| Protection | Overcharge, overdischarge, overcurrent and short-circuit protection supervision |
| Input Voltage | 1-2 series Li-Ion/Li-polymer pack; per-cell monitoring range 0 V to 5 V |
| Output Voltage / Current | Gauge-only device: current path measured via external sense resistor (no power conversion output) |
| Package / Case | SON (DRZ), 12-pin |
Key Features & Applications
- Impedance Track gauging accuracy across pack lifetime
- Supports 1- and 2-series cell Li-Ion/Li-polymer configurations
- Integrated protection FET drive reduces external BOM
- I2C host access to SoC, SoH, voltage, current and temperature
- Configurable data flash for pack-specific characterization
- Compact 12-pin SON package for pack-side embedding
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Frequently Asked Questions
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