DC1463A - Schematic

4
4.35V-5.5V
Non-operating Fault Tolerance to
30V Continuous, 36V Transient.
VOUT
LDO3V3 18
L1
3.3uH
SW 14
E13
2 OVSENS
C5
22uF
6.3V
0805
20%
TP2
TP3
GND 5
DD+
ID
5 ID
INPUT CURRENT LIMIT SETTINGS
ILIM1
ILIM0
0
0
100mA (1X)
0
1
1
1A (10X)
0
SUSPEND (500uA)
1
1
500mA (5X)
0
Q2
Si2333DS
1
3
E10
BAT
ON
7 ENCHARGER
VOUT
1
OFF
E3
17 CLPROG
E4
VFLOAT = 4.1V/4.2V
C4
100uF
6.3V
1206
20%
6 ENOTG
JP4
ON
3
BAT 11
JP3
ENOTG
CHGR
Leakage current must be < 50nA
IDGATE 10
1
OFF
E11
15 ILIM0
JP2
ILIM0
CURRENT LIMIT
E12
GND
CHGR
1
0
R14
1k
5%
0603
1.25A
2
6
7
8
9
16 ILIM1
JP1
ILIM1
E2
GND
D3
GREEN
CHGR
CHRG 9
VOUT
R11
1.0
5%
VOUT
D1
RED
FAULT
1
TP1
D+ 3
ID 4
VOUT
3.5V-4.7V
LPS4018-332MLC
VOUT 12
VBUS 1
D- 2
2
VBUS
1
R2
6.2k
0603
5%
J2
USBMINI-AB
SHGND
SHGND
SHGND
SHGND
1 OVGATE
4
13
2
6
7
8
9
Leakage current
must be <400nA
4.35V-5.5V
CLPROG
C6
1uF
10V
U1*
LTC4160EPDC
R1
1.0
5%
VUSB
3
C2
22uF
6.3V
0805
20%
1
E1
E15
LDO3V3
3.3V
20mA
E14
GND
2
C1
4.7uF
1206
50V
ID 4
GND 5
4
Q1
FDN-372S
3
D- 2
D+ 3
1
R9
1k
5%
0603
R12
1.0
5%
*
500mA
J3
1 BAT
2 GND
R13
1.0
5%
3 NTC-EXT
DF3-3P-2DSA
OPT
E9
D2
GREEN
VBUSGD
GND
2
8 PROG
PROG
R3
3.01k
C3
0.1uF
16V
2
SHGND
SHGND
SHGND
SHGND
USBMICRO-AB
VBUS 1
2
2
J1
3
19 NTCBIAS
R4
2K
R5
100K
R10
1k
5%
0603
E8
FAULT 4
E5
NTC
20 NTC
GND
FAULT
E7
VBUSGD 3
VBUSGD
21
E6
GND
JP5
NTC
R6
100K
R7
0
INT
R8
0
EXT
Unless noted:
Resistors: Ohms, 0402, 1%, 1/16W
Capacitors: uF, 0402, 10%, 50V
CUSTOMER NOTICE
1
VERSION TABLE
Assembly Version
DC1463A - A
DC1463A - B
4
3
U1
LTC4160EPDC
LTC4160EPDC - 1
VFLOAT *
4.2V
4.1V
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
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
2
CONTRACT NO.
APPROVALS
DRAWN
J.Drew
DATE
1/19/09
CHECKED
APPROVED
ENGINEER J.Drew
1/19/09
DESIGNER
Wednesday, April 01, 2009
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
1
TITLE
LTC4160EPDC / LTC4160EPDC-1 Switching Power Manager
with USB On-the-Go and Overvoltage Protection
SIZE CAGE CODE
SCALE:
DWG NO
REV
DC1463A - A/B
FILENAME:
SHEET
1
1
A
OF
1
Similar pages