DC1592A - Schematic

5
4
3
2
1
VERSION TABLE *
3
GND
Q2
Si2333DS
E3
Q3
Si2333DS
1
VUSB
2
TP3
4
ID
R1
1
ID
5
GND
Q1
Si2306BDS
3
2
R2
6.04K
0603
E4
GND
40
C2
10uF
0603
8
43
VBUS
E6
36
JP1
C
38
39
LTC3577EUFF-3 / -4
OVGATE
0
1
JP2
ILIM1
OVSENS
CLPROG
ILIM1
15
PB1
1
0
E7
ILIM0
2
ON
30
LDO1
28
LDO1_FB
23
LDO2
29
LDO2_FB
24
VIN12
SW1
33
FB1
34
SW2
31
NTCBIAS
FB2
R8
100k
35
R9
R10
100k
TP4
R11
EXT
0
INT
ENTC
DVCC
C17
0.1uF
16V
EN3
SW3
5
DVCC
FB3
17
EN3
12
SCL
JP4
R7
0
SW
2
4
6
8
10
12
14
ILED
22
PGOOD
21
EXTPWR
LED_OV
TP6
9
ILED
E17
E18 LDO2
1.2V
150mA
C9
1uF
R27
806K
E19
GND
L1
VOUT1
TP8
R29
806K
R28
20
C10
10uF
0603
R30
649K
GND
VOUT2
TP9
R31
20
R32
1.02M
C14
10pF
50V
C12
2.2uF
10V
0603
C13
10uF
0603
R33
324K
GND
E24 VOUT3
1.2V
800mA
C15
10uF
0603
TP10
C16
10pF
50V
C19
22uF
0805
R35
402K
R34
20 R36
806K
E25
GND
E26
ZLLS400
R37
D1
D2
D3
D4
D5
OPT
R40
OPT
VOUT2
C21
22nF
50V
0603
LDO1
D1 THRU D10 = NICHIA NSSW100B
TP11
R41
OPT
R42
OPT
OPTIONAL BOOST
CIRCUITRY
SOLDER SIDE
E27
GND
D10
D9
D8
D7
D6
R14
1.0M
0
0805
R20
1.0M
R21
1.0M
E11
R15
1K
E15
SCL
R16
5.1K
R43 EN3 5%
HD2X7
10k
E28
C18
U2
0.1uF
16V
6
SCLK
1
2
3
A0
A1
A2
WP
7
SDA
5
R17
5.1K
5%
Unless noted:
Resistors: Ohms, 0402, 1%, 1/16W
Capacitors: uF, 0402, 6.3V
CONTROLLED INPUT CURRENT LIMIT
ILIM0
IBUS(LIM)
1
1
100mA (1X)
1
0
1A (10X)
0
0
5
4
PGOOD
EXTPWR
PBSTAT
LDO1 always on with VOUT>2.7V
PB1(+50ms) --> LDO2(+14ms) --> VOUT1 --> VOUT2
ILIM1
24LC025
B
VBOOST
R39
C22
OPT
0603
ILED
R38
E22 VOUT2
3.3V
500mA
E23
L3
3.3uH
1072AS-3R3M
E20 VOUT1
1.8V
500mA
E21
L2
4.7uH
1098AS-4R7M
C20
1uF
50V
1206
E16 LDO1
3.3V
150mA
GND
20
C11
10pF
50V
TP12
J2
OPT
C
10V
0603
VOUT
BAT
GND
ENTC
R24
324K
R26
402K
C6
2.2uF
7
18
19
20
C8
1uF
20
R25
TP7
10M
PB2
PWR_ON
8
+
+
+
+
+
+
+
10k
Vcc
+
+
+
+
+
+
+
SW
SW
SW
R18
20K
4
1
3
5
7
9
11
13
R13 VOUT2
PB
DC590
INTERFACE
J3
PWR_ON
CNTL
Vss
R6
1.0M
PWR_ON
3
R12
1.0M
DVCC
SDA
14
PBSTAT
E10
42
SDA
PWR_ON
11
16
SDA
LDO1
R22
L4
10uH
LPS4018-103ML
D12
GND
TP5
A
VIN3
6
1
2
3
GND
R23
1.02M
VOUT
D
E13
VOUT1
1uF
25
SCL
SCL
SDA
10
45
B
NTC
ILED_FS
EN3
E9
JP3
0
NTC
ENTC
VOUT1
4.7uH
1098AS-4R7M
26
BAT *
500mA
DF3-3P-2DSA
R19
1
ON
ON/RST
NTCBIAS
C4
1uF
VOUT
32
ON
E8
E12 VOUT
2.9V - 5.5V
2A
C7
4.7
0603
VINLDO2
VOUT
27
PROG
1
4.1V
JP5
CHRG
VINLDO2
R4
2.0k
ILIM0 VBUS
D11
1K
VINLDO1
R3
2.1k
PROG
LTC3577EUFF - 4
VOUT
C5
13
E5
CLPROG
41
4
VBUS
BAT
DD+
4.2V
DC1592A-B
BAT VFLOAT
E14
R5
VOUT
TP2
WALL
3
ACPR
D+
TP1
U1*
C1
4.7uF
50V
1206
1
D-
2
MINI-B USB
1
LTC3577EUFF - 3
1
C3
10uF
6.3V
0603
J1
VUSB
U1
DC1592A-A
3
37
4.35V-5.5V, Non-operating Fault
Tolerance To 30V
IDGATE
D
ASSY TYPE
2
44
E2
VOUT
CHRG
E1
WALL
4.35V - 5.5V
1
SUSPEND
0
500mA (5X)
CUSTOMER NOTICE
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
APPROVALS
M. Merchant
CHECKED:
APPROVED:
ENGINEER:
TITLE:
A
DATE:
2
SCHEMATIC
LTC3577EUFF-3 / -4 Highly Integrated Portable Product PMIC
M. Merchant SIZE
DESIGNER:
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
3
TECHNOLOGY
DRAWN:
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DWG NO.
REV
DC1592A-A/B
Tuesday, August 18, 2009
A
SHEET
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OF 1
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