1-38 (No.49831)
4.4
BA6956AN (IC981) : Reversible motor driver
• Pin layout & Block diagram
• Pin function
• Truth table
4.5
BD4833FVE-W (IC702) : Regulator
• Pin layout
• Block diagram
• Pin functions
TSD
CONTROL LOGIC
1
2
3
4
5
6
7
8
9
V
REF
OUT2
RNF
OUT1
VM
Vcc
FIN
GND
RIN
Pin No. Symbol
Function
1
VREF
Output high voltage level control terminal
2
OUT2
Output terminal for motor
3
RNF
GND of driver division
4
OUT1
Output terminal for motor
5
VM
Power supply for driver division
6
Vcc
Power supply for signal division
7
FIN
Input terminal for control logic
8
GND
GND
9
RIN
Input terminal for control logic
FIN
RIN
OUT1
OUT2
MODE
H
L
H
L
Forward rotation mode
L
H
L
H
Reverse rotation mode
H
H
L
L
Break Mode
L
L
OPEN OPEN Stand-by mode
V
OUT
SUB
1
2
5
4
V
DD
GND
VOUT
GND
VDD
Vref
Pin No
Symbol
Function
1
VOUT
Reset output
2
SUB
Sub slate (connect to GND)
3
N.C.
Non connect
4
GND
GND
5
VDD
Power supply voltage
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