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| BQ24157 Datasheet, PDF (19/39 Pages) Texas Instruments – Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support | |||
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Regulation
Voltage
Precharge
Phase
Regulation
Current
Current Regulation
Phase
Voltage Regulation
Phase
bq24157
SLUSB80 â SEPTEMBER 2012
V SHORT
Charge Voltage
Termination
I SHORT
Precharge
(Linear Charge)
Charge Current
Fast Charge
(PWM Charge)
(a)
Regulation
voltage
Precharge
Phase
Current Regulation
Phase
Voltage Regulation
Phase
VSHORT
Charge Voltage
Termination
Charge Current
ISHORT
Precharge
(Linear Charge)
Fast Charge
(PWM Charge)
(b)
Figure 27. Typical Charging Profile for (a) without Input Current Limit, and (b) with Input Current Limit
Copyright © 2012, Texas Instruments Incorporated
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