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BQ24901 - Single-Cell Li-Ion/Li-Pol Charger

Datasheet Summary

Description

The bq24901 Li-Ion charge management devices are designed specifically for off-line charger applications.

The bq24901 resides on the secondary-side of the transformer and provides the control feedback to a variety of primary side controllers.

Features

  • D Designed for Off-Line Charger Design for Single-Cell Li-Ion Packs D Provides Control Feedback to a Primary-Side Controller D Robust Battery Insertion and Removal Detection D Charge Current and Voltage Regulation Feedback to Primary-Side for High-Accuracy Charging D Charge Termination by Minimum Current and Time D Pre-Charge Conditioning Regulator with Safety Timer D Charge Status Outputs for LED or Host Processor Interface Indicates Chargein-Progress, Charge Completion, and Fault Conditions D.

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Datasheet preview – BQ24901

Datasheet Details

Part number BQ24901
Manufacturer Texas Instruments
File Size 288.69 KB
Description Single-Cell Li-Ion/Li-Pol Charger
Datasheet download datasheet BQ24901 Datasheet
Additional preview pages of the BQ24901 datasheet.

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Full PDF Text Transcription

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bq24901 SLUS527 – DECEMBER 2002 SINGLEĆCELL LIĆION AND LIĆPOL CHARGE MANAGEMENT IC FOR OFFLINE APPLICATIONS FEATURES D Designed for Off-Line Charger Design for Single-Cell Li-Ion Packs D Provides Control Feedback to a Primary-Side Controller D Robust Battery Insertion and Removal Detection D Charge Current and Voltage Regulation Feedback to Primary-Side for High-Accuracy Charging D Charge Termination by Minimum Current and Time D Pre-Charge Conditioning Regulator with Safety Timer D Charge Status Outputs for LED or Host Processor Interface Indicates Chargein-Progress, Charge Completion, and Fault Conditions D Temperature Monitoring Before and During Charge D Short-Circuit Protection D Small, 14-Pin TSSOP Package APPLICATIONS D Cradle Chargers for Digital Cameras D Desktop Chargers D Hand
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