Microchip Technology ADM00592, Руководство пользователя

Страница: 48 / 56

PAC1921
Hi
gh-
Sid
e Cu
rren
t/P
ower Sen
sor
Evalu
at
ion
Bo
ard
User
’s Gui
d
e
DS5
0002376A-p
age 48

20
15 M
ic
rochip
T
e
chnology
In
c.
A.2 BOARD – PAC1921 CURRENT SHUNT AND POWER MONITOR SCHEMATIC
V
SENSE+
V
SENSE-
V
SOURCE-
V
+5V_USB
V
DD
V
DD
V
DD
V
DD
Demo
Sys
Sys
V
SENSE+
V
SENSE-
Demo
Out
#READ/INT
#READ/INT
GND
J 8, 1-2 Close (default) = 1001_100x b -> 98h
J 8, 2-3 Close (alternative) = 1001_101x b -> 9Ah
J 8, Open (alternative) = Apply external resistor
for GAIN_SEL function in Stand- Alone mode.
Read the data sheet for more information
ADDR_SEL
/GAIN_SEL
V
DD
SMBUS_CLK
SMBUS_DATA
#READ/INT
IDEMO
Idemo
OUT
GP2
COMM_SEL
SMBus_CLK
SMBus_DATA
#READ/INT
TP LOOP Yellow
TP2
TP LOOP Orange
TP1
TP LOOP Black
TP6
TP LOOP White
TP3
TP LOOP White
TP4
TP LOOP Red
TP5
TP LOOP Yellow
TP7
EDZ250/2
J1
EDZ250/2
J2
EDZ250/2
J11
2R
2010
5%
R2
2R
2010
5%
R3
HDR-2.54 Male 1x3
J3
123
HDR-2.54 Male 1x3
J4
1 2 3
HDR-2.54 Male 1x3
J6
1 2 3
HDR-2.54 Male 1x3
J7
HDR-2.54 Male 1x3
J8
1 2 3
HDR-2.54 Male 1x3
J5
Shunt 2.54 mm 1x2 Handle
JP3
Shunt 2.54 mm 1x2 Handle
JP4
Shunt 2.54mm 1x2 Handle
JP5
Shunt 2.54 mm 1x2 Handle
JP6
Shunt 2.54mm 1x2 Handle
JP7
Shunt 2.54 mm 1x2 Handle
JP8
0.1
μ
F
16V
0603
C1
0.001
μ
F
50V
0603
C3
1
μ
F
16V
0603
C2
12.1k
0603
1%
R8
12.1k
0603
1%
R9
12.1k
0603
1%
R10
12.1k
0603
1%
R11
12.1k
0603
1%
R6
12.1k
0603
1%
R7
120R
0603
1%
R4
120R
0603
1%
R5
100R
0603
1%
R1
GREEN
LD6
2k
0603
1%
R12
V
DD
1
SENSE+
2
SENSE-
3
OUT
4
GND
5
ADDR_SEL
6
COMM_SEL
7
READ/INT
8
SM_DATA
9
SM_CLK
10
EP
11
PAC1921-1
U1
1
2
3
4
0.005R
1%
RS1
3 2 1
3 2 1
21
21
21