Datasheet

VSHRT
10
m A
90%
VDD
VDD
1 .05 V
R
R
VBAT
VBAT
>VSHRT
VSHORT can be adjusted by an external resistor. Note that the VSHRT pin voltage equals
half VSHORT threshold. When VSHRT pin is left floating or is tied to VDD, an internal
reference of 1.05 V is used resulting in a 2.1-V pre-charge to fast-charge transition threshold.
+
+
Precharge
(Linear Charge)
Fast Charge
( PWM Charge)
I
SHORT
Termination
V
SHORT
Regulation
Current
Regulation
voltage
Precharge
Phase
Current Regulation
Phase
Voltage Regulation
Phase
Charge Current
Charge Voltage
The input current remains constant during current regulation phase.
TPS65200
www.ti.com SLVSA48 –APRIL 2010
Figure 51. Pre-Charge to Fast-Charge Transition Threshold (VSHORT)
Figure 52. Typical Charging Profile of TPS65200 Without Input Current Limit
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