LTC3577_15 Datasheet, PDF (19/54 Pages) Linear Technology – Highly Integrated 6-Channel Portable PMIC

BLOCK DIAGRAM
LTC3577/LTC3577-1
V_BUS
40
8
13
OVSENS OVGATE
OVERVOLTAGE
PROTECTON
4
WALL
WALL
DETECT
41
ACPR
42
V_C
V_C
CONTROL
CLPROG
43
NTCBIAS
34
NTC
35
I_LIM0
1
I_LIM1
2
CHRG
44
PWR_ON
14
WAKE
17
ON
15
PBSTAT
16
10 ^DVCC
SDA
11
SCL
12
PG_DCDC
21
LED_OV
21
SW
18,19,20
22 ^ILED
LED_FS
3
BATTERY
TEMP
MONITOR
I_LIM
LOGIC
CHRGE
STATUS
INPUT
CURRENT
LIMIT
OVERTEMP BATTERY
SAFETY DISCHARGE
HRST UVLO
CC/CV
CHARGER
IDEAL
+
DIODE
–
+– _15mV
EN 500mA, 2.25MHz
BUCK REGULATOR
0.8V
PG
PUSH-
BUTTON
INPUT
EN 500mA, 2.25MHz
BUCK REGULATOR
0.8V
I²C
LOGIC
230ms
FALLING
DELAY
40V LED BACKLIGHT
BOOST CONVERTER
DAC
0.8V
PG
EN 800mA, 2.25MHz
BUCK REGULATOR
0.8V
PG
EN
0.8V
150mA
LDO1
EN
0.8V
150mA
LDO2
GND
45
V_OUT
39
IDGATE
37
BAT
38
PROG
36
V_{IN12 32}
SW1
33
FB1
26
SW2
31
FB2
25
V_IN3
6
SW3
5
FB3
7
V_INLD01
23
LDO1
28
LDO1_FB
27
V_INLD02
30
LDO2
29
LDO2_FB
24
3577 BD
3577fa
19