BLOCK DIAGRAM
TA8424F
PIN FUNCTION
PIN No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SYMBOL
Vreg
Ha+
Ha−
Hb+
Hb−
Hc+
Hc−
NF
Lc
RF
Lb
VCC
La
N.C.
FRS
VC
FGS
FGO
FGIN −
FGIN +
FIN
FUNCTIONAL DESCRIPTION
Internal power supply output terminal.
a−phase Hall−Amp positive input terminal.
a−phase Hall−Amp negative input terminal.
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.
Feedback resistance connection terminal.
c−phase drive output terminal.
Output current detection terminal.
b−phase drive output terminal.
Power supply input terminal.
a−phase drive output terminal.
Non connection.
Forward / Reverse control terminal.
Control signal input terminal.
Hysteresis Amp. output terminal.
FG Amp. output terminal.
FG Amp. negative input terminal.
FG Amp. positive input terminal.
GND terminal.
2
2001-06-13