Datasheet Texas Instruments BQ24152 — 数据表

Not Recommended For New Designs bq24152
www.ti.com SLUS847A – JUNE 2008 – REVISED JANUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and
USB-OTG Support
Check for Samples: bq24152 FEATURES 1 2 Charge Faster than Linear Chargers
High-Accuracy Voltage and Current Regulation
– Input Current Regulation Accuracy: ±5%
(100 mA and 500 mA)
– Charge Voltage Regulation Accuracy:
В±0.5% (25В°C), В±1% (0В°C-125В°C)
– Charge Current Regulation Accuracy: ±5%
High-Efficiency Mini-USB/AC Battery Charger
for Single-Cell Li-Ion and Li-Polymer Battery
Packs
20-V Absolute Maximum Input Voltage Rating
6-V Maximum Operating Input Voltage
Built-In Input Current Sensing and Limiting
Integrated Power FETs for Up To 1.25-A
Charge Rate
Programmable Charge Parameters through
I2Cв„ў Interface (up to 3.4 Mbps):
– Input Current
– Fast-Charge/Termination Current
– Charge Voltage (3.5 V to 4.44 V) …