Datasheet Texas Instruments BQ24180 — 数据表

Not Recommended For New Designs bq24180
www.ti.com SLUSA02 A – FEBRUARY 2010 – REVISED FEBRUARY 2010 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and
Accessory Power Connection
Check for Samples: bq24180 FEATURES 1 2 Charge Faster than Linear Chargers From
Current Limited Input Sources
High-Accuracy Voltage and Current Regulation
– Input Current Regulation Accuracy: ±5%
(100mA, 500mA)
– Charge Voltage Regulation Accuracy:
±0.5% (25°C), ±1% (0–125°C)
– Charge Current Regulation Accuracy: ±5%
Accessory Power Output (DCOUT)
Input Voltage Based Dynamic Power
Management
Safety Limit Register for Maximum Charge
Voltage and Current Limiting
High-Efficiency Mini-USB/AC Battery Charger
for Single-Cell Li-Ion and Li-Polymer Battery
Packs
20-V Absolute Maximum and 16.5V Operation
Input Voltage Rating
Built-in Input Current Sensing and Limiting Integrated Power FETs for Up to 1.5-A Charge
Rate …