
ICs for VCR
AN3895FHQ
3
I
Pin Descriptions
Pin No.
Description
1
YFGO: CYL-FG amp. output
2
YFGI: CYL-FG amp. input
3
CFGO: CAP-FG amp. output
4
CFGI: CAP-FG amp. input
5
YSTB: CYL-standby input changeover
6
YECR: CYL-torque command reference
input pin
7
YEC: CYL-torque command input pin
8
YSL1: CYL-current flow waveform slope pin 1
9
YPCI: CYL-current feedback phase
compensation
10
YPCV: CYL-voltage feedback phase
compensation
11
YPCS: CYL-switching power supply
control output
12
GNDY: CYL-grounding pin
13
YCS: CYL-CS current det. pin
14
VMY: CYL-motor power supply pin
15
YM3: CYL-motor coil pin 3
16
YM2: CYL-motor coil pin 2
17
YM1: CYL-motor coil pin 1
18
YL3: CYL-lower side pre-drive output 3
19
YL2: CYL-lower side pre-drive output 2
20
YL1: CYL-lower side pre-drive output 1
21
YU1: CYL-upper side pre-drive output 1
22
YU2: CYL-upper side pre-drive output 2
23
YU3: CYL-upper side pre-drive output 3
24
CL3: CAP-lower side pre-drive output 3
25
CL2: CAP-lower side pre-drive output 2
26
CL1: CAP-lower side pre-drive output 1
27
CU1: CAP-upper side pre-drive output 1
28
CU2: CAP-upper side pre-drive output 2
29
CU3: CAP-upper side pre-drive output 3
30
CM3: CAP-motor coil pin 3
31
CM2: CAP-motor coil pin 2
32
CM1: CAP-motor coil pin 1
33
VMC: CAP-motor power supply pin
Pin No.
Description
34
CH3
: CAP-Hall element input
35
CH3
+
: CAP-Hall element input
36
CH2
: CAP-Hall element input
37
CH2
+
: CAP-Hall element input
38
CH1
: CAP-Hall element input
39
CH1
+
: CAP-Hall element input
40
YTEST: CYL-test mode changeover input
41
CCS: CAP-current det. pin
42
GNDC: CAP-grounding pin
43
CPCS: CAP-switching power supply control
output
44
CPCV: CAP-voltage feedback phase
compensation
45
CPCI: CAP-current feedback phase
compensation
46
CTL: CAP-torque limit
47
CECR: CAP-torque command reference voltage
48
CEC: CAP-torque command input pin
49
CRSF: CAP-direction command input pin
50
CSWB: CAP-SW-power supply pre-drive
output
51
YSWB: CYL-SW-power supply pre-drive
output
52
GSWB: CAP, CYL-SW power supply grounding pin
53
CYFC: CAP, CYL-SW comparater triangular
wave input
54
V
CC
-power supply pin
55
YCLK: CYL-clock input
56
YSL3: CYL-current flow waveform slope pin 3
57
YSL2: CYL- current flow waveform slope pin 2
58
CFG: CAP-FG amp. waveform shaping output
59
YPG: CYL-PG amp. waveform shaping output
60
YFG: CYL-FG amp. waveform shaping output
61
GPF: FG, PG-grounding pin
62
PFREF: FG, PG-reference voltage
63
YPGO: CYL-PG amp. output
64
YPCI: CYL-PG amp. input