Datasheet

PG
STAT1 STAT2
VSS
TS
PGND
CE
OUT
OUT
PGND
SNS BAT
CELLS(bq24103/04/13)
FB(bq24105/15)
N/C(bq24100)
ISET1 ISET2
VCC
VCC
TTC
VCC
0.5V
VCC
1V
TIMERCLK
0.25V
DSABL_TERM
0.75V
TIMER
FFCHAIN
PRE-CHG
TIMEOUT
FASTCHG
TIMEOUT
RESET
bqSWITCHER
bq2410x
VTSB
VTSB
LTF
HTF
TCO
RSET2 RSET1
IN
VIN
VTSB
VCC
IN
Voltage
Reference
VTSB
VCC-6V
UVLO/POR
Vuvlo
POR
2.1V
+
-
1V
+
-
0.1V
1k
+
-
+
-
+
-
IbatReg
VbatReg
VCC
VCC
20uA
2.1V
+
-
VCC
20uA
1V
BAT
FB
SPIN
1C
2C
VTSB
VTSB
MOD
OSC
S
RQ
Q
SUSPEND
UVLO/POR
TIMEOUTF
AULT
TERM
PkILimorOVP
RAMP
VCC
IVCC/10
(Vpp=VCC/10)
RAMP
MOD
VCC
VCC-6V
6V
TG
BG
SYNCH
COMPENSA
TION
10
toFB
Co
Lo
10
F
Rsns
+
Pack+
Pack-
Temp
SLEEP
VCC
BAT
+
-
50mV
TEMP
SUSPEND
SUSPEND
TS
SPIN
TERM
SLEEP
SUSPEND
OVP
Charge
TERM
BAT
Vreg
VCC
Discharge
Charge
Wake
SNS+
BAT_PRS_dischg
2.1V
Vrch
LowV
VSHORT
30ms
Dgltch
BAT
30ms
Dgltch
Vovp
OVP
CONTROL
LOGIC
(STATE
MACHINE)
OVP
TIMEOUT
SUSPEND
UVLO/
POR
Vrch
Term_Det
LowV
BAT_PRS_
disch
VSHORT
PkILim SYNCH
SLEEP
ProtectionPMOSFETisOFFwhennotcharging
orinSLEEP topreventdischargeofbattery
whenIN<BA
T
CE
Isynch
Synch
V(150mA)
BG
TG
CHARGE
DISCHARGE
WAKE
PRE-CHARGE
FASTCHG
Disable
PRE-CHG
Disable
+
-
FASTCHG
Disable
BAT
-
1k
+
SNS
Term_Det
0.1V
30ms
dgltch
Gate
Drive
FB
SPIN
ONLY
CLAMP
Icntrl
PkILim
V(3.6A)
SenseFET
SenseFET
VCC
VCC-6V
PG
SLEEP
CHARGE
Poff
FB
Term&
Timer
Disable
H
*
*PatentPending#36889
bq24100, bq24103, bq24103A
bq24104, bq24105, bq24108, bq24109
bq24113, bq24113A, bq24115
SLUS606O –JUNE 2004–REVISED MARCH 2010 www.ti.com
FUNCTIONAL BLOCK DIAGRAM
10 Submit Documentation Feedback Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): bq24100 bq24103 bq24103A bq24104 bq24105 bq24108 bq24109 bq24113 bq24113A
bq24115