Datasheet

VCC
BTST
HIDRV
PH
REGN
LODRV
GND
TS
bq24600
CE
VFB
SRP
6VLDO
COMP
ERROR
AMPLIFIER
20μA
1V
2.1 V
IBAT_ REG
SRN
STATE
MACHINE
LOGIC
BATTERY
DETECTION
LOGIC
VCC
PH
4.2V
+
_
BTST
REFRESH
CE
145degC
ICTj
TSHUT
SRN+100mV
VCC
SLEEP
LEVEL
SHIFTER
+
-
+
-
+
-
+
-
+
-
V(SRP-SRN)
CHG_OCP
+
-
160% XIBAT_REG
SYNCH
SRP-SRN
ISET
IBAT_ REG
ISET
ISET
10
5mV
20X
BAT
BAT_OVP
+
-
104% XVBAT_REG
LTF
+
-
HTF
VREF
TCO
+
-
+
-
SUSPEND
VCC
ACOV
+
-
V
ACOV
ENA_BIAS
VREF
STAT
STAT
3.3V
LDO
VFB
LOWV
+
-
RCHRG
+
-
1.55V
+
-
2.05 V
VFB
LOWV
RCHRG
TERM
+
-
TERM
TERMINATECHARGE
+
-
bq24600
+
-
+
-
UVLO
V
UVLO
VCC
PWM
CONTROL
LOGIC
+
-
PWM
+
-
+
-
+
-
+
-
CHARGE
20uA
DISCHARGE
CHARGE
8mA
BAT_OVP
INTERNAL
REFERENCE
VREF
ISET
10
PG
SafetyTimer
FAULT
FAULT
2mA
1 M
DISCHARGE
PG
CE
20xV(SRP-SRN)
20xV(SRP-SRN)
bq24600
SLUS891A –FEBRUARY 2010– REVISED OCTOBER 2011 www.ti.com
BLOCK DIAGRAM
Figure 11. Functional Block Diagram for bq24600
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Product Folder Link(s): bq24600