BQ24157S Datasheet, PDF (25/45 Pages) Texas Instruments – Full USB Compliance and USB-OTG Support

Not Recommended for New Designs
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Device Functional Modes (continued)
bq24157S
SLUSB76B – FEBRUARY 2013 – REVISED MAY 2015
Regulation
Voltage
Precharge
Phase
Regulation
Current
Current Regulation
Phase
Voltage Regulation
Phase
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
V_SHORT
Charge Voltage
Termination
Charge Current
I_SHORT
Precharge
(Linear Charge)
Fast Charge
(PWM Charge)
(b)
Figure 27. Typical Charging Profile:
(a) Without Input Current Limit
(b) With Input Current Limit
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