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BQ24030_07 Datasheet, PDF (10/38 Pages) Texas Instruments – SINGLE-CHIP CHARGE AND SYSTEM POWER-PATH MANAGEMENT IC (bqTINY) | |||
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bq24030, bq24031, bq24032A
bq24035, bq24038
SLUS618F â AUGUST 2004 â REVISED NOVEMBER 2006
FUNCTIONAL BLOCK DIAGRAM FOR bq24030/31/32A/35 ONLY (1)
www.ti.com
500 â¦
ShortâCircuit Recovery
BAT
ShortâCircuit
Recovery
AC
100 mA /
500 mA
USB
Charge
Q1
Enable
VSET
+
500 â¦
1 k⦠Fault
Recovery
10 mA
VO(OUT)
VO(LDO)
3.3âV LDO
OUT
LDO
USB
VIO(AC)
AC Charge
Enable
VO(OUT)
VI(IUSBâSNS)
+
VO(OUTâREG)
Short Circuit
Recovery
Reference, Bias & UVLO
TMR
VO(BATâREG)
UVLO
Oscillator
VI(BAT)
VI(IUSBâSNS)
+
VSET 100 mA / 500 mA
VI(BAT)
+
VO(BATâREG)
Q3
VI(IUSBâSNS)
Q2
VI(BAT)
BAT
VI(ISET1)
ISET1
USB
Charge
Enable
VO(OUT)
VI(ISET1) +
Fast Precharge
DPPM
DPPM
+ I(DPPM) Scaling
+
1V
V(HTF)
I(TS)
TS
1V
V(LTF)
VSET
*
VDPPM +
Disableâ
TJ
Sleep
+
TJ(REG)
Thermal
Shutdown
Suspend
*
VI(BAT)
VO(OUT)
BAT
Charge
Enable
60 mV
+
200 mV
+
PSEL
CE
VSS
280 kâ¦
Power Source Selection
VO(BATâREG)
VBAT
*
Recharge
VBAT
VI(ISET1)
VBAT
VAC
VBAT
VUSB
Precharge
*
V(SET)
*
Term
Sleep (AC)
*
Sleep (USB)
*
* Signal Deglitched
Charge
Control
Timer
and
Display
Logic
USB Charge Enable
AC Charge Enable
BAT Charge Enable
500 mA/ 100 mA
Fast Precharge
1C â 500 mA
C/S â 100 mA
ISET2
ACPG
USBPG
STAT1
STAT2
UDGâ04084
(1) For bq24038 see bq24038 Differences in the Functional Descriptions section.
10
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