2013/04/20 23:33:06 D:\EleCraft\Eagle5\SLA7073 Test\SLA7073-Test.sch (Sheet: 1/1)
SLA7073MPRT
MPOWER MDC
PORTX
MTR 100u 50V
10u 10V
0.1u
0.1u ???
SENSE
10k 10k
GRN
RED
1k
10k
1k
1k
14 VDD RESET 15
CLOCK 10
CW/CCW 16
7 M1 8 M2 9 M3 17 SYNC
SENSEB 19
6 N.C. 18 FLAG
REF/SLEEP1 13
OUTA1 1 OUTA1 3 VBB 11
OUTB2 21 OUTB1 22
GND12
SENSEA 5
OUTA2 2
OUTB2 23 OUTA2 4 OUTB1 20 IC1
1 2 3
SW1
1JP 1 2
1 2
3 4
5 6
7 8
9 10
JP2
12 34 56 JP3 C1
C2
C3
C4
1 2 3
JP4
R1 R2
LED1
LED2
R4
R5
R613
2
R3
CLOCK
CW/CCW M1
M2SYNC FLAG
RESET
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
Mercury Motor ST-42BYG0506H
REDWHT GRN YELBLK BLU DC 12V 1A
5V 0.5A/Phase 3.3/5.0V
M3(SLEEP2)
RS = 155m-ohm
VREF = 0.5A * 155m-ohm = 77.5mV 5V: 238mV, 3.3V: 157mV (max) GND
VBB GND