DC2330A - Schematic

4
3
2
1
REVISION HISTORY
E1
ECO
REV
1
2
DESCRIPTION
APPROVED
DATE
GB
2 - 9 - 16
PRODUCTION FAB
VSUP
E2
4
VIN
3 - 5.5V
2A
R3
12.4k
R1
2.2k
5%
VIN
4
R2
22mOhm
1%
C4
0.01µF
D1
PWR
VBUS
ID
GND
4
3
2
5
C1
100µF
6.3V
1206
C2
100µF
6.3V
1206
R5
100k
R6
100k
R7
OPT
R12
102k
C3
100µF
6.3V
1206
3
R42
1
0603
OPT
R18
10k
R17
2.2k
5%
EN
DISABLE
JP1
U1
ENABLE
1
TP2
R43
1
0603
4
3
TP1
R13
0
D2
OPT
15
E3
12
11
10
7
9
5
E4
2
14
6
13
GND
R9
3.83k
R10
59.0k
R11
OPT
R14
348k
C5
0.01µF
C6
4700pF
C7
470pF
D5
STATUS
17 20
IN2
IN
IN1
STAT
8
3
IS+
ISSW1
19
PTHM
PTH1
PTH2
DTH
FTH
IIMON
CTx
0.1µF
SW2
LTx
24µH
T
JSC connector
18
[email protected]°C
1206
100V
CTS
CTD
NTC
FB
GND PGND
LTC4125EUFD
16 21
E5
GND
NTC
EN
2
R8
0
GND
C12
47µF
10V
0805
C11
47µF
10V
0805
C10
1uF
16V
D3
BAT54LP
9
8
7
6
GND
GND
GND
GND
D+
D-
R4
OPT
1
R16
100k
0603
TP3
Ith = 1.29A
Ilim = 1.93A
2
R15
5.23k
C8
0.1µF
1
J1
USB Micro B RECEPTACLE
Wurth, 629105136821
D4
BAS521
NTC
DISABLE
C9
0.1µF
0603
100V
JP2
2
ENABLE
IMON
UNLESS NOTED:
RESISTORS: OHMS, 0402, 1%, 1/16W
CAPACITORS: uF, 0402, 10%, 50V
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 PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1
TECHNOLOGY
NC
GB
TITLE: SCHEMATIC
AUTORESONANT WIRELESS TRANSMITTER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
2
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
REV.
LTC4125EUFD
DEMO CIRCUIT 2330A
2 - 9 - 16
2
SHEET
1
1
OF
2
1
4
JP3
VIN
3
2
MONITOR
ENABLE
IMON
U2A
LTC1445CDHD
DISABLE
R19
10k
5
5%
C13
0.01µF
U2B
1.221V
7
8
V-REF
9
R21
15.4k
R20
432
3
1
R22
27.4k
11
U2D
LTC1445CDHD
13
U3A
LTC1445CDHD
5
R39
6.20k
3
D11
86%
5%
149 17
R38
6.20k
3
D10
71%
5%
149 17
R37
6.20k
3
3
D9
57%
2
4
5%
149 17
1.186V
R25
102k
U3B
LTC1445CDHD
7
R36
6.20k
3
D8
43%
1
6
R26
102k
5%
149 17
2
U3C
LTC1445CDHD
R27
102k
11
U3D
3
13
3
15
12
149 17
R32
787k
C17
1µF
16V
3
V-REF
8
C16
0.01µF
U3.3
R33
432
9
C15
0.01µF
U2.3
29%
R34
6.20k
5%
D6
14%
CUSTOMER NOTICE
R31
11.3k
1
D7
5%
149 17
LTC1445CDHD
R29
102k
R35
6.20k
16
10
R28
102k
4
100%
15
12
R24
102k
R30
102k
4
D12
16
10
R23
340k
2
R40
6.20k
5%
149 17
LTC1445CDHD
3
150%
1.186V
U2C
C14
1µF
16V
INPUT CURRENT
5%
149 17
LTC1445CDHD
6
U2E
LTC1445CDHD
D13
2
4
4
R41
2.2k
3
1
U3E
LTC1445CDHD
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 PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
NC
GB
TITLE: SCHEMATIC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
2
IC NO.
N/A
SCALE = NONE
DATE:
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
BAR GRAPH FOR AUTORESONANT
WIRELESS TRANSMITTER
REV.
LTC4125EUFD
DEMO CIRCUIT 2330A
2 - 9 - 16
2
SHEET
1
2
OF
2
1
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