DC789A - Schematic

5
E1
2
+VIN
E2
CHRG
LED1
LN1351C
R8
1
E3
CHRG
5
CHRG
VCC 10
2
R1
330
U1
LTC4062EDD
E6
EN 7
JP2
ICHG-2
C
JP1
TERMINATION METHOD
1
2
3
4
3
C/5
TIMER
C2
0.1UF,16V
E5
9
IDET = 100mA
B
HIGH
LOW
ICHG-2
CHARGE
CURRENT
CHARGE
CURRENT
PROG
R2
374K
1%
GND
8
IDET
R5
1K
1%
1A
100mA
500mA
50mA
200mA
100mA
100mA
50mA
C
500mA
100mA
250mA
25mA
C/5
100mA
100mA
50mA
25mA
CUSTOMER NOTICE
R7
715K
1%
COMP OUT
C
COMP IN
BAT 1
JP5
COMP
EXT
BAT
C3
2.2UF,6.3V
0603
COMP
LED2
LN1851C
(ORANGE)
R6
470
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
C/5
E9
BAT
[email protected]/1A
E10
GND
+
B
IDET
C/10
C
2. INSTALL SHUNTS ON JP1-JP5 PIN 1 AND 2.
IN+ 2
JP4
IDET
C/10
100mA
SEE TABLE
C/5
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITOR ARE 0402.
E4
IDET = C/10
IDET
100mA
NOTES: UNLESS OTHERWISE SPECIFIED
A
R4
2K
1%
E7
E8
11
R3
1K
1%
JP3
ICHG-1
HIGH
LOW
SEE TABLE
6
OUT 4
C
CURRENT
MONITOR
C/5
SEE TABLE
ENABLE
2
TIMER
EXT
ITERM
D
C1
1UF,16V
0603
(GREEN)
ICHG-1
1
1
GND
D
3
1
+VIN
4.3V-8V
4
4
3
APPROVALS
DRAWN:
CHECKED:
APPROVED:
ENGINEER: FRAN H.
DESIGNER:
TECHNOLOGY
KIM T.
TITLE:
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
SCHEMATIC
A
SINGLE CELL LI-ION BATTERY CHARGER WITH COMPARATOR
SIZE
DWG NO.
A
DATE:
DC789A-1*LTC4062EDD
Thursday, January 13, 2005
2
SHEET 1
1
REV
A
OF 1
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