BQ25100H_15 Datasheet, PDF (14/32 Pages) Texas Instruments – bq2510x 250-mA Single Cell Li-Ion Battery Chargers, 1-mA Termination, 75-nA Battery Leakage

bq25100, bq25101, bq25100A, bq25100H, bq25101H, bq25100L
SLUSBV8C – AUGUST 2014 – REVISED NOVEMBER 2014
8.2 Functional Block Diagram
Internal Charge
Current Sense
w/ Multiple Outputs
IN
+
-
OUT
80 mV
+
_
Input
Power
Detect
Charge
Pump
IN
+
_
IN-DPMREF
ISET
FAST CHARGE
PRE-CHARGE
IN
1.5V
PRE-CHG Reference
Internal Current
Sensing Resistor
Term Reference
+
_
2A
PRE-TERM
+
_
OUT
+
VTERM_EN
_
VCOOL-10ÛC
22mA Startup Current
Limit
TJ
150ÛCREF
Thermal Shutdown
IN
OVPREF
CHARGE
CONTROL
VWARM-45ÛC
VCOLD-0ÛC
VHOT-60ÛC
TS
LO=LDO MODE
VLDO
+
_
VDISABLE
52A
+
HI=CHIP DISABLE
_
Cold Temperature Sink
Current
Disable Sink
= 452A _VCLAMP=1.4V ^{Current = 202A}
+
+
_
_
452A
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OUT
OUT
OUTREGREF
TJ
125ÛCREF
Charge
Pump
14
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