BQ24030-Q1 Datasheet, PDF (9/34 Pages) Texas Instruments – SINGLE-CHIP CHARGE AND SYSTEM POWER-PATH MANAGEMENT IC

bq24030-Q1
bq24031-Q1
www.ti.com.................................................................................................................................................... SLUS793B – APRIL 2008 – REVISED OCTOBER 2009
FUNCTIONAL BLOCK DIAGRAM
500 W
Short-Circuit Recovery
BAT
Short-Circuit
Recovery
AC
100 mA /
500 mA
USB
Charge
Enable
Q1
V_SET
+
500 W
1 kW Fault
Recovery
10 mA
V_O(OUT)
V_O(LDO)
3.3-V LDO
OUT
LDO
USB
V_IO(AC)
AC Charge
Enable
V_O(OUT)
V_{I(IUSB- SNS)}
+
V_{O(OUT- REG)}
Short-Circuit
Recovery
Reference, Bias, and UVLO
TMR
V_{O(BAT- REG)}
UVLO
Oscillator
V_I(BAT)
V_{I(IUSB- SNS)}
+
V_SET 100 mA / 500 mA
V_I(BAT)
+
V_{O(BAT- REG)}
Q3
V_{I(IUSB- SNS)}
Q2
V_I(BAT)
BAT
V_I(ISET1)
ISET1
USB
Charge
Enable
V_O(OUT)
V_{I(ISET1) +}
Fast Precharge
DPPM
DPPM
+ ^{I(DPPM) Scaling}
+
1V
V_(HTF)
I_(TS)
TS
1V
V_(LTF)
V_SET
V_DPPM +
Disable-
T_J
Sleep
+
T_J(REG)
Thermal
Shutdown
Suspend
V_I(BAT)
V_O(OUT)
BAT
Charge
Enable
60 mV
+
200 mV
+
PSEL
CE
280 kΩ
V_{O(BAT- REG)}
V_BAT
V_BAT
Power Source Selection
Recharge
Precharge
Charge
Control
Timer
and
Display
Logic
USB Charge Enable
AC Charge Enable
BAT Charge Enable
500 mA / 100 mA
Fast Precharge
1C - 500 mA
C/S - 100 mA
V_I(ISET1)
V_(SET)
Term
VSS
V_BAT
V_AC
V_BAT
V_USB
Sleep (AC)
Sleep (USB)
ISET2
ACPG
USBPG
STAT1
STAT2
* _{Signal deglitched}
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