2-3 Cell NVDC-1 Battery Charger Controller
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bq24715
SLUSBD1B – MARCH 2013 ...
Description
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bq24715
SLUSBD1B – MARCH 2013 – REVISED SEPTEMBER 2016
bq24715 2-3 Cell NVDC-1 Battery Charger Controller with Ultra-Fast Transient Response and High Light-Load Efficiency
1 Features
1 6-24V Input SMBus NVDC-1 2-3S Battery Charger Controller
System Instant-on Operation with No Battery or Deeply Discharged Battery
Ultra-Fast Transient Response of 100 µs Ultra-Low Quiescent Current of 500 µA and High
PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6 Switching Frequency: 600kHz/800kHz/1MHz Programmable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy – ±0.5% Charge Voltage Regulation – ±3% Input/Charge Current Regulation – ±2% 40x Input/16x Discharge Current Monitor
Output Support Battery LEARN Function Maximize CPU Performance with Deeply
Discharged Battery or No Battery Integrated NMOS ACFET and RBFET Driver 20-pin 3.5 x 3.5 mm2 QFN Package
2 Applications
Ultrabook, Notebook, and Tablet PC Industrial and Medical Equipment Portable Equipment
3 Description
The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count.
The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage.
The bq2...
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