DC532A - Schematic

5
4
3
2
1
Vin
E8
T1
510-1017
D1
1
1
C1
100uF
6.3V
2
D2
ZHCS1000
D3
Q3
Si3434DV ZHCS1000
3
R18
330K
Q1
Si3434DV
JP2
V Cell
4.2V
4.1V
C
4
C4
C5 1nF
1500pF
6
5
2
1
B
Vout
[email protected]
E1
C14
100nF
+ C3
R3
169k
1%
C2
22pF
R5
174k
1%
12
PGND
11
RGTDR
VDD
10
9
R6
100k
1%
R11
200k
C
C6 1uF
Vbias1
13
BGTDR
14
BATT2
REG
15
CMDSH-3
BATT1
MODE
16
2
8
WA
TIMER
17
7
Vreg
Vbat
18
6
LDODRV
Vbias2
19
5
LDOFB
4
Vc
GND
20
Isense
21
3
REGFB
CAOUT
22
2
PROGT
OVP
23
1
PROG
SS
24
D4
C7 0.22uF
C8
C11
220pF
JP3 ON/OFF
ON
OFF
1uF
C10 3.3nF
C9
100nF
B
R7
100k
R8
51.1k
33uF
6.3V
R4
100k
1%
R12
10
VDD
U1
LTC1980EGN
2
3
Q2
FDC640P
R14
0
VDD
GND
E7
R2
100k
R13
opt.
R1
0.05
1206
1%
3
AUX OUT
E5
D
Caution: Make sure JP1 &
JP2 are properly configured
before connecting battery.
1
R15
221k
C13
100nF
E3
BAT-
3
3
1
JP1 VDD
# of Cells
2 Cells
2
1 Cell
C12
22uF
10V
BAT+
1A Imax
1
GND
E6
4
1
2
5
6
-
WALL ADAPTER
4V-6.5V
C15 330pF
R17
36
C16
330pF
6
5
2
1
R16
22
4
B320A
4
+
3
2
D
E2
3
3
Vin
J1
R9
402k
R10
3.32k
GND
E4
CUSTOMER NOTICE
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.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
CONTRACT NO.
APPROVALS
DRAWN
June Wu
DATE
5/13/02
CHECKED
A
TITLE
LTC1980EGN, Regulator / Battery Charger Controller
APPROVED
ENGINEER John Shannon
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
5/13/02
DESIGNER
SIZE CAGE CODE
Wednesday, January 07, 2004 SCALE:
2
FILENAME:
DWG NO
REV
DC532A
SHEET
1
A
1
OF
1
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