BQ24201 - Texas Instruments

BQ24201 LI-ION/LI-POL CHARGER

The bq2420x series are simple Li-Ion linear charge management devices targeted at low-cost and space limited charger applications. The bq2420x series offer integrated powerFET, high-accuracy voltage regulation, temperature monitoring, charge status, and charge termination, in a single monolithic device. The bq2420x is designed to work with a current-limited .

Features

1
• Designed Specifically to Work With Current-Limited Wall Supplies
• Ideal for Low Dropout Charger Design for Single-Cell Li-Ion Packs With Coke or Graphite Anodes
• Integrated PowerFET for 500 mA
• Integrated Voltage Regulation With 0.5% Accuracy
• Battery Insertion and Removal Detection
• Charge Termination by Minimum Current and Time
• Pre-Charge Conditioning With Safety Timer
• Sleep Mode for Low-Power Consumption
• Charge Status Output for LED or Host Processor Interface Indicates
• Charge-in-Progress, Charge Completion, and Fault Conditions
• Optional Temperature Monitoring Before and .