BQ25172数据手册集成电路（IC）的电池充电器规格书PDF

特性 Features

• Input voltage up to 30-V tolerant
• Automatic Sleep Mode for low power consumption
• 350-nA battery leakage current
• 85-µA input leakage current when charge disabled

• Supports 1- to 6-cell NiMH with intermittent-charging
• External resistor programmable operation
• VSET to set NiMH series cell-count from 1s to 6s
• ISET to set charge current from 10 mA to 800 mA
• TMR to set charge safety timer duration from 4 hr to 22 hr

• High accuracy
• ±0.5% charge voltage accuracy
• ±10% charge current accuracy

• Charging features
• NTC thermistor input to monitor battery temperature
• Cold and hot temperature charging disabled
• VOUT_OVP reduced at cool temperatures
• TS pin for charging function control
• Open-drain output for status and fault indication

• Integrated fault protection
• 18-V IN overvoltage protection
• VSET based OUT overvoltage protection
• 1000-mA overcurrent protection
• 125°C thermal regulation; 150°C thermal shutdown protection
• OUT short-circuit protection
• VSET, ISET, TMR pins short/open protection