DC1967A_15 [Linear]
400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER;
| 型号： | DC1967A_15 |
| 厂家： | 
Linear |
| 描述： | 400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER |
| 文件： | 总2页 (文件大小：98K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
4
3
2
1
REVISION HISTORY
DESCRIPTION
ECO REV
APPROVED
DATE
-
2
PRODUCTION FAB
GEORGE B. 9 - 17- 13
E10
VIN
4
3
2
1
4
3
2
1
C5
10µF
5V - 40V
D4
DFLZ39
39V
R1
1.40MEG
50V
1210
JP2
RUN
R11
100k
5%
R12
100k
5%
ON
VIN > 11V
OFF
E9
D1
DFLS240L
GND
R2
U1
412k
E8
3
LTC4120-4.2EUD / LTC4120EUD
nFAULT
E7
nCHRG
IN
D3
16
15
RUN
FAULT
C2S1
4700pF
5%
DFLS240L
14
CHRG
C2S2
0.022µF
5%
50V
0805
INTVCC
D2
DFLS240L
INTVCC
1
50V
INTVCC
C4
2.2µF
E1
E2
0805
Cx
2
BOOST
FREQ
C2P1
4700pF
5%
6.3V
EMBEDDED INDUCTOR
DISCONNECTED
C2P2
1800pF
5%
50V
0603
C3
0.01µF
0603
1.5 MHz
750 kHz
JP3
7
6
R3
L1
15.0uH
FREQ
DHC
NTC
10k
50V
CONNECTED
4
8
9
SW
CHGSNS
BAT
JP1
0805
43T
GND
Embedded
Inductor
VBAR
C1
Lr
47µH
E6
10uF
16V
0805
E3
BAT
12
NTC
2.7 V - 11V
400mA
C2
47uF
16V
1210
R12 TO BE CONNECTED TO " BAT "
NODE AT BAT TURRET (E6)
E5
10
13
R4
2.0k
BATSNS/FB
PROG
GND
J1
*
*
R10
E4
R9
11
PROG
NC/FBG
GND
GND
5%
VPROG
OPT
R5
3.01k
5
17
1
2
3
BAT
GND
ENTC
DF3-3P-2DSA
R8
0
JP4
NTC
INT
EXT
*
R6
0
ASSY
-A
U1
R10
R9
LTC4120 - 4.2EUD
LTC4120EUD
OPEN
0 Ohm
UNLESS NOTED:
-B
1.40MEG
1.05MEG
RESISTORS: OHMS, 0402, 1%, 1/16W
CAPACITORS: uF, 0402, 10%, 50V
R7
10k
1630 McCarthy Blvd.
Milpitas, CA 95035
CUSTOMER NOTICE
APPROVALS
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
www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
TECHNOLOGY
PCB DES.
APP ENG.
NC
GEORGE B.
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER
SIZE
N/A
IC NO.
REV.
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
LTC4120 - 4.2EUD / LTC4120EUD
DEMO CIRCUIT 1967A - A / B
2
2
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
DATE:
9 - 17 - 13
SHEET
1
OF
4
3
2
1
4
3
2
1
3
MONITOR
JP5
R32
1k
CHG CURRENT
94%
U2A
5
4
D12
D11
VBAR
LTC1445CDHD
ENABLE
2
1
1
1
1
2
2
2
2
DISABLE
R13
10k
5%
VPROG
149 17
3
5%
C6
4
3
2
1
0.01µF
4
3
2
1
R31
1k
7
6
U2B
1.221V
1
LTC1445CDHD
81%
69%
56%
5%
R15
22.6k
R14
432
149 17
3
1.186V
U2E
LTC1445CDHD
R30
1k
D10
11
10
U2C
C7
1µF
10V
16
15
LTC1445CDHD
R16
5%
34.8k
149 17
3
U2D
R29
1k
13
12
D9
LTC1445CDHD
R17
100k
5%
149 17
3
R18
100k
R28
1k
U3A
5
4
D8
LTC1445CDHD
2
1
1
1
1
2
2
2
2
44%
31%
19%
6%
5%
1.186V
149 17
3
R19
100k
U3B
R27
1k
7
6
D7
LTC1445CDHD
1
5%
R20
149 17
3
100k
U3C
LTC1445CDHD
R26
1k
11
10
D6
D5
16
15
R21
5%
100k
149 17
3
R25
1k
13
12
U3D
R22
100k
LTC1445CDHD
UNLESS NOTED:
RESISTORS: OHMS, 0402, 1%, 1/16W
CAPACITORS: uF, 0402, 10%, 50V
5%
149 17
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
R23
100k
CUSTOMER NOTICE
APPROVALS
R33
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
www.linear.com
22.6k
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TECHNOLOGY
PCB DES.
NC
U3E
LTC1445CDHD
R35
432
TITLE: SCHEMATIC
APP ENG. GEORGE B.
BAR GRAPH FOR 400mA WIRELESS SYNCHRONOUS
BUCK BATTERY CHARGER
R24
C8
0.01µF
U3.3
C9
0.01µF
U2.3
R34
C10
1µF
10V
49.9k
SIZE
N/A
IC NO.
REV.
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
LTC4120 - 4.2EUD / LTC4120EUD
DEMO CIRCUIT 1967A-A/B
787k
2
2
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
DATE:
9 - 17 - 13
SHEET
2
OF
4
3
2
1
相关型号：
©2020 ICPDF网 联系我们和版权申明