23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
IC, BD6601KV
SGND
ASGND
PWIN1
PWIN2
FG
BRK-
BRK+
CSL2
CSL1
CST
SPPG2
SPWOUT
SPVM2
N.C.
SPVOUT
N.C.
SPPG1
N.C.
SPUOUT
SPVM1
SPCOM
SPWIN
SPVIN
SPUIN
H2PG2
N.C.
H2ROUT
N.C.
H2VM
N.C.
H2FOUT
N.C.
H2PG1
H1PG2
N.C.
H1ROUT
N.C.
H1VM
H1FOUT
H1PG1
VCC1
—
—
I
I
O
I
I
—
—
—
—
O
—
—
O
—
—
—
O
—
I
I
I
I
—
—
O
—
—
—
O
—
—
—
—
O
—
—
O
—
—
Small signal circuit block ground. (MOS)
Small signal circuit block ground. (Bip.)
Half bridge 1 input.
Half bridge 2 input.
FG output.
Brake comparator input (-).
Brake comparator input (+).
Slope capacitor connection terminal 2.
Slope capacitor connection terminal 1.
Startup oscillation capacitor connection terminal.
Spindle power circuit block ground 2.
Spindle motor output. (W phase)
Spindle power circuit block power 2.
Not used.
Spindle motor output. (V phase)
Not used.
Spindle power circuit block ground 1.
Not used.
Spindle motor output. (U phase)
Spindle power circuit block power 1.
SPIN motor coil center input terminal.
SPIN detection comparator input. (W phase)
SPIN detection comparator input. (V phase)
SPIN detection comparator input. (U phase)
H bridge 2 power block ground 2.
Not used.
H bridge 2 reverse output.
Not used.
H bridge 2 power block power.
Not used.
H bridge 2 forward output.
Not used.
H bridge 2 power block ground 1.
H bridge 1 power block ground 2.
Not used.
H bridge 1 reverse output.
Not used.
H bridge 1 power block power.
H bridge 1 forward output.
H bridge 1 power block ground 1.
Small signal circuit block power terminal 1. (MOS)
Pin No.
Pin Name
I/O
Description
