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Home » NEWEST Products » New by Manufacturer » Texas Instruments » bq24232H Lithium-Ion Battery Charger ICs - TI
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Texas Instruments bq24232H Lithium-Ion Battery Charger ICs

Texas Instruments bq24232H Lithium-Ion
Battery Charger ICs

Texas Instruments bq24232H Lithium-Ion Battery Charger ICs are highly integrated Li-ion linear chargers and system power-path management devices targeted at space-limited portable applications. The devices operate from either a USB port or ac adapter and support charge currents between 25mA and 500mA. The high-input-voltage range with input overvoltage protection supports low-cost, unregulated adapters. The USB input current limit accuracy and start-up sequence allow the bq24232H to meet USB-IF inrush current specification. Additionally, the input dynamic power management (VIN-DPM) prevents the charger from crashing poorly designed or incorrectly configured USB sources.

Features
  • Fully Compliant USB Charger
    • Selectable 100mA and 500mA Maximum Input Current
    • 100mA Maximum Current Limit Ensures Compliance to USB-IF Standard
    • Input-based Dynamic Power Management (VIN-- DPM) for Protection Against Poor USB Sources
  • 28V Input Rating With Overvoltage Protection
  • 4.35V Battery Regulation
  • Integrated Dynamic Power-Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
  • Supports up to 500mA Charge Current With Current Monitoring Output (ISET)
  • Programmable Input Current Limit up to 500mA for Wall Adapters
  • Programmable Termination Current (bq24232H)

  • Programmable Precharge and Fast-Charge Safety Timers
  • Reverse Current, Short-Circuit, and Thermal Protection
  • NTC Thermistor Input
  • Proprietary Start-Up Sequence Limits Inrush Current
  • Status Indication - Charging/Done, Power Good
  • Small 3mm × 3mm 16-Lead QFN Package

Applications
  • Bluetooth™ Devices
  • Low-Power Handheld Devices

Additional Resources

Datasheet Datasheet
User Guide User Guide
White Paper: Wearables White Paper: Bio-Patch Solutions for Health & Fitness: Why Low-Power Design is Imperative
Block Diagram
Block Diagram
eNews
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