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Linear Battery Charger for Li-Ion/Li-Pol Batteries with 500mA Output and 4.2V Voltage in a 16-Pin VQFN EP Package

BQ24232RGTR General Description

One key feature of the BQ24232RGTR is its dynamic power-path management system, which allows simultaneous charging of the battery and powering of the system. This smart system adjusts the charge current based on input conditions to ensure optimal performance and efficiency. By reducing the number of charge cycles on the battery, it prolongs battery life and enables the system to function even in the absence of a fully charged battery

Key Features

  • Fully Compliant USB Charger
    • Selectable 100-mA and 500-mA Maximum Input Current
    • 100-mA Maximum Current Limit Ensures Compliance to USB-IF Standard
    • Input-based Dynamic Power Management (VIN- DPM) for Protection Against Poor USB Sources
  • 28-V Input Rating With Overvoltage Protection
  • Integrated Dynamic Power-Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
  • Supports up to 500-mA Charge Current With Current Monitoring Output (ISET)
  • Programmable Input Current Limit up to 500 mA for Wall Adapters
  • Programmable Termination Current (bq24232)
  • 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 3 mm × 3 mm 16-Lead QFN Package


Number of series cells 1 Charge current (max) (A) 0.5
Vin (max) (V) 10.2 Cell chemistry Li-Ion/Li-Polymer
Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2
Absolute max Vin (max) (V) 28 Control topology Linear
Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), Input OVP, Power Path, VINDPM (Input voltage threshold to maximize adaptor power)
Vin (min) (V) 4.35 Rating Catalog
Operating temperature range (°C) -40 to 85

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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In Stock: 7,033

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $1.177 $1.18
10+ $0.993 $9.93
30+ $0.892 $26.76
100+ $0.778 $77.80
500+ $0.727 $363.50
1000+ $0.705 $705.00

The prices below are for reference only.