Service manual
MD-MT831H/W
– 44 –
Pin No.
Terminal Name
Function
52* C1M CHARGEPUMP capacitor 1 connection termina l -
53* C1P CHARGEPUMP capacitor 1 connection terminal +
54 EXTCLK Synchronous clock input terminal
55 STHB Half bridge mute terminal
56 STALL Stand-by terminal
57 VCC1 Small signal section power supply terminal 1 (MOS)
58 VCC2 Small signal section power supply terminal 2 (Bip.)
59* PW2VM Half bridge 2 power section power supply
60* PW2OUT Half bridge 2 output
61 PWPG Half bridge power section GND
62 PW1OUT Half bridge 1 output
63 PW1VM Half bridge 1 power section power supply
64 PWIN1 Half bridge 1 input
IC601 VHiBD6603KV-1: Drive Servo/Motor Control (BD6603KV) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VG
C2M
C2P
C1M
C1P
EXTCLK
STHB
STALL
VCC1
VCC2
PW2VM
PW2OUT
PWPG
PW1OUT
PW1VM
PWIN1
CSL2
CST
SPVM1
SPWOUT
SPPG1
SPVOUT
SPVM2
SPUOUT
SPPG2
ASGND
SGND
SPCOM
SPWIN
SPVIN
SPUIN
BRK+
H3PG2
H3ROUT
H3VM
H3FOUT
H3PG1
H4PG2
H4ROUT
H4VM
H4FOUT
H4PG1
IN3F
IN3R
IN4F
IN4R
FG
CSL1
BD6603KV
PWIN2
IN1F
IN1R
IN2F
IN2R
H1PG2
H1ROUT
H1VM
H1FOUT
H1PG1
H2PG2
H2ROUT
H2VM
H2FOUT
H2PG1
BRK-
IC601 VHiBD6603KV-1: Drive Servo/Motor Control (BD6603KV)
Figure 44 BLOCK DIAGRAM OF IC