DC1396A - Schematic

5
4
3
2
1
J4
E1
D
VUSB
4.35V - 5.5V, Non-operating
Fault Tolerance to 30V
Continous.
Q1
FDN-372S
J1
VUSB
1
D-
2
D+
3
ID
4
GND
5
3
D- TP1
D+ TP2
ID TP3
C1
4.7uF
1206
50V
R1
1.0
5%
MINI-B USB
USB Mini-B
E2
2
C2
22uF
0805
6.3V
20%
1
VBUS
DVCC SDA
Leakage current
must be < 400nA
TP4
GND
NTCBIAS
TP5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R2
6.2k
LTC4099EPDC
U1
1
3
NTCBIAS
5%
0603
E3
VBUS
OVGATE
OVSENS
VC
18
WALL
5
14
VOUT
12
NTC
IDGATE
10
LPS4018-332MLC
NTC
16
SCL
17
SDA
15
DVCC
DVCC
C7
22uF
0805
6.3V
20%
DC590
INTERFACE
J2
1
3
5
7
9
11
13
B
+
+
+
+
+
+
+
+
+
+
+
+
+
+
2
4
6
8
10
12
14
R6
0
R18
100k
R4
5.1k
5%
R7
51k
5%
C3
0.1
16V
U2
SCLK
1
2
3
A0
A1
A2
7
WP
E9
6
C4
0.01uF
25V
7
19
11
CLPROG
GNDGND
21
R13
1.0
5%
9
256X8
JP1
NTC
E5
R15
1.0
5%
R9
3.01k
R10
100k
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
J3
1
2
3
BAT
GND
NTC
DF3-3P-2DSA
OPT
G. Barbehenn
CHECKED:
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TECHNOLOGY
DRAWN:
TITLE:
SCHEMATIC
2
LTC4099EPDC:High Efficiency I C Controlled USB Power
Manager/Charger with Overvoltage Protection
APPROVED:
ENGINEER:
G. Barbehenn SIZE
DESIGNER:
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
B
Unless noted:
Resistors: Ohms, 0402, 1%, 1/16W
Capacitors: uF, 0402, 10%, 50V
EXT
INT
R11
0
E6
5
R14
1.0
5%
R12
0
Vss
C5
0.1uF
16V
BATSENS
BAT
VFLOAT = 4.1V / 4.2V
0.5A - 1.2A
E7
GND
C6
100uF
6.3V
1206
20%
PROG
5
R8
1.02k
IRQ
E8
BAT
PROG
CLPROG
E10
8
24LC025I/ST 4
A
R17
1k
5%
0603
Q2
Si2333DS
R16
0
8
SDA
1
3
IRQ
BATSENS
R5
5.1k
5%
Vcc
6
Leakage current must be < 50nA
C
D1
INTERRUPT
E11
PENDING
GND
RED
2
SCL SDA DVCC
E12
VOUT
3.5V - 4.7V
1.5A
L1
3.3uH
E4
2
SQT-108-01-F-D-RA
4
ACPR
SW
R3
100k
C
D
HV BUCK
INTERFACE
13
OVGATE
20
SCL
VOUT
VC/TRACK
VOUT
GND
ACPR
GND
PG
WALL
SYNC
SHDN
DVCC
ILIM
SDA
HVOK/INIT
SCL
HVIN
DATE:
2
DWG NO.
REV
DC1396A
Wednesday, October 15, 2008
A
SHEET
1
1
OF 1
A
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