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bq2057W - Linear Charge Management

Download the bq2057W datasheet PDF. This datasheet also covers the bq2057 variant, as both devices belong to the same linear charge management family and are provided as variant models within a single manufacturer datasheet.

Description

The BENCHMARQ bq2057 series advanced Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) linear charge-management ICs are designed for costsensitive and compact portable electronics.

Features

  • D Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs D Requires Small Number of External Components D 0.3 V Dropout Voltage for Minimizing Heat Dissipation D Better Than ±1% Voltage Regulation Accuracy With Preset Voltages D AutoCompt Dynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time D Optional Cell-Temperature Monitoring Before and During Charge D Integrated Voltage and Current Regulation With Programmable Charge-Current and Hig.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (bq2057-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
bq2057 Linear Charge Management
bq2057C Linear Charge Management
bq2057T Linear Charge Management
BQ2000 Programmable Multi-Chemistry Fast-Charge Management
BQ2000T Programmable Multi-Chemistry Fast-Charge Management

Full PDF Text Transcription

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bq2057, bq2057C bq2057T, bq2057W SLUS025F − MAY 2001 − REVISED JULY 2002 ADVANCED LINEAR CHARGE MANAGEMENT IC FOR SINGLEĆ AND TWOĆCELL LITHIUMĆION AND LITHIUMĆPOLYMER FEATURES D Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs D Requires Small Number of External Components D 0.
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