Product Summary
The BQ2057WSN is an advanced linear charge management ic. The BQ2057WSN is designed for costsensitive and compact portable electronics. They combine high-accuracy current and voltage regulation, battery conditioning, temperature monitoring, charge termination, charge-status indication, and AutoComp charge-rate compensation in a single 8-pin IC. MSOP, TSSOP, and SOIC package options are offered to fit a wide range of end applications.
Parametrics
BQ2057WSN absolute maximum ratings: (1)Supply voltage (VCC with respect to GND): -0.3 to +18 V; (2)Input voltage, SNS, BAT, TS, COMP (all with respect to GND): -0.3 V to VCC+0.3 V; (3)Sink current (STAT pin)not to exceed PD: 20 mA; (4)Source current (STAT pin)not to exceed PD: 10 mA; (5)Output current (CC pin)not to exceed PD: 40 mA; (6)Total power dissipation, PD (at 25°C): 300mW; (7)Operating free-air temperature range, TA: -20℃to 70°C; (8)Storage temperature range, Tstg: -40℃to 125°C; (9)Lead temperature (soldering, 10 s): 300℃.
Features
BQ2057WSN features: (1)Integrated Voltage and Current Regulation With Programmable Charge-Current and Highor Low-Side Current Sensing; (2)Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage Of Charge; (3)Charge Status Output for Single or Dual Led or Host Processor Interface; (4)Automatic Battery-Recharge Feature; (5)Charge Termination by Minimum Current; (6)Automatic Low-Power Sleep Mode When VCC Is Removed; (7)EVMs Available for Quick Evaluation; (8)Packaging: 8-Pin SOIC, 8-Pin TSSOP, 8-Pin MSOP.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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BQ2057WSN |
Texas Instruments |
Battery Management Li-Ion LDO Linear Charge Management IC |
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BQ2057WSNG4 |
Texas Instruments |
Battery Management Li-Ion LDO Linear Charge Management IC |
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BQ2057WSNTRG4 |
Texas Instruments |
Battery Management Li-Ion LDO Linear Charge Management IC |
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BQ2057WSNTR |
Texas Instruments |
Battery Management Li-Ion LDO Linear Charge Management IC |
Data Sheet |
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