BLOCK DIAGRAM
Control input
TA7259P/TA7259F/FG
TA7259P/F/FG
CW/CCW switch
Position sensing input
PIN FUNCTION
PIN No.
P TYPE
F/FG TYPE
1
1
2
2
3
3
4
5
5
10
6
6
7
11
8
12
9
13
10
15
11
16
12
18
13
19
14
20
Fin
Fin
SYMBOL
Hb +
Hb −
Hc +
H−
RF
Lc
Lb
VCC
La
FRS
VIN −
VIN +
Ha +
Ha −
GND
FUNCTION DESCRIPTION
b−phase Hall Amp. positive input terminal
b−phase Hall Amp. negative input terminal
c−phase Hall Amp. positive input terminal
c−phase Hall Amp. negative input terminal
Output current detection terminal
c−phase drive output terminal
b−phase drive output terminal
Power supply input terminal
a−phase drive output terminal
Forward / Reverse / Stop switch terminal
Control Amp, negative input terminal
Control Amp, positive input terminal
a−phase Hall Amp. positive input terminal
a−phase Hall Amp. negative input terminal
GND Terminal
F/FG type: NO. 4, 7, 8, 9, 14, 17 pins are no connection.
2
2006-4-14