3. VSAT (L)
12 V
12 V
VHb+
VHc+
V
4.7 µF
16
15
14
13
12
11
10
9
VS
Lb
VCC GND GND Hb+
Hb−
Hc+
TA8492P
Lc
La
3ST GND GND Ha−
Ha+
Hc−
1
2
3
4
5
6
7
8
VHa+
• VSAT (L): Input VHa+, VHb+, VHc+ (6.01 V/5.99 V) and check output function is “L”.
(a-phase, b-phase, c-phase)
4. IL (U)
18 V
12 V
A
VHb+
VHc+
4.7 µF
16
15
14
13
12
11
10
9
VS
Lb
VCC GND GND Hb+
Hb−
Hc+
Lc
La
3ST GND GND Ha−
Ha+
Hc−
1
2
3
4
5
6
7
8
VCC
VHa+
• IL (U): Check output function is high impedance at 3ST = VCC.
(a-phase, b-phase, c-phase)
2001-02-01 7/11