User Guide

31
31DN-S3000
TA7291F (DS: IC512)
TA7291F Terminal Function
STR-F6674 (PA: IC901) GP1A70R (PA: IC251,252)
SN74LV393APW (DS: IC710) SE005N (PA: IC903) PC123 (PA: IC902)
1
GND NC
NC Vs
NC NC
OUT1 OUT2
Vref NC
NC Vcc
IN1 NC
NC IN2
16
89
FUNCTION DESCRIPTION
Supply voltage terminal for Logic
Supply voltage terminal for Motor driver
Supply voltage terminal for control
GND terminal
Input terminal
Input terminal
Output terminal
Output terminal
11
15
5
1
7
9
4
13
PIN No.
SYMBOL
V
cc
V s
V ref
GND
IN1
IN2
OUT1
OUT2
3
2
1
4
5
Vin
Start
Reg.
O.V.P
DRV.REC=8.6V
Latch
T.S.D
DRV
20ohm
Source
OCP/FB
Vth1=0.73±0.05V
OCP/FB comp.
Vth2=1.3~1.6V
Tth(min)=1m S
INH comp.
Iconst trm.
Drain
GND
TOFF=50
m
S typ.
4700pF
OSC
+
+
1.35mA
100ohm
O.C.P./F.B.
D
FRONT
VIEW
VIN
GND
S
BOTTOM VIEW
15 6
23 4
3
V OB
4
GND
5
V CC
6
V OA
2
CATHODE
1
ANODE
SIDE VIEW
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1CLK
1CLR
1Q
A
1Q
B
1Q
C
1Q
D
GND
V
CC
2CLK
2CLR
2Q
A
2Q
B
2Q
C
2Q
D
1
FRONT
VIEW
23
12
3
GND
VoutC
COLLECTOR
EMITTER
ANODE
CATHODE
TOP VIEW