Datasheet Texas Instruments BQ24151A — 数据表

Not Recommended For New Designs bq24150A
bq24151A
www.ti.com SLUS931A – APRIL 2009 – REVISED JANUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger
With Full USB Compliance and USB-OTG Support
Check for Samples: bq24150A, bq24151A 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 to 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 …