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BQ24901 Datasheet Single-cell Li-ion/li-pol Charger

Manufacturer: Texas Instruments

Overview: bq24901 SLUS527 – DECEMBER 2002 SINGLEĆCELL LIĆION AND LIĆPOL CHARGE MANAGEMENT IC FOR OFFLINE.

General 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.

The bq24901 offers current or voltage regulation feedback, temperature monitoring, charge status, and adjustable charge termination, in a single monolithic device.

Key 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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