Datasheet Texas Instruments BQ24273 — 数据表

bq24273
www.ti.com SLUSB08 – JUNE 2012 2.5A, Single Input, Single Cell Switchmode Li-Ion Battery Charger with
Integrated Current Sense
Check for Samples: bq24273 FEATURES APPLICATIONS 1 High-Efficiency Switch Mode Charger with
Integrated Current Sense Element
Single Input Charger
– 20V input rating, with 10.5V Over-Voltage
Protection (OVP)
– Integrated FETs for Up to 2.5A Charge Rate
Integrated Charge Current Sense Element for
Reduced BOM Count and Board Space
Savings
Safe and accurate Battery Management
Functions
– 0.5% Battery Regulation Accuracy
– 10% Charge Current Accuracy
Voltage-based, NTC Monitoring Input (TS)
– JEITA Compatible
Thermal Regulation Protection for Output
Current Control
BAT Short-Circuit Protection
Soft-Start Feature to Reduce Inrush Current
Thermal Shutdown and Protection …