BH6530KV / BH6534KV
Optical disc ICs
PMW motor driver IC for slim type CD-ROM
BH6530KV / BH6534KV
BH6530KV / BH6534KV is a motor driver IC developed for CD-ROM, and DVD-ROM. This IC integrates 3-phase PMW
driver for driving spindle motor and PMW driver for driving feed motor.
BH6530KV
BH6534KV
FG signal 1 phase output
FG signal 3 phase synthesis output
Applications
CD-ROM slim, DVD-ROM slim set
External dimensions
(Unit : mm)
9.0 ± 0.3
7.0 ± 0.2
36
9.0 ± 0.3
7.0 ± 0.2
25
24
13
0.4
Features
1) OP amp. is incorporated for input of each driver
to construct filter easily.
2) Built-in low ON resistance power MOS.
3) Built-in current limit, hall bias, FG output and inversion protection
for 3-phase PWM driver.
4) Built-in standby circuit.
5) Built-in thermal shutdown circuit.
6) High-efficient CD drive system achieved by using this IC and 2ch
PWM driver BH6526FV in pairs.
37
48
1
12
0.15 ± 0.1
1.425 ± 0.1
0.1 ± 0.1
0.5
0.2 ± 0.1
0.1
VQFP48
Absolute maximum ratings
(Ta=25°C)
Parameter
Supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Max.output current
Symbol
V
CC
Pd
Topr
Tastg
Io
MAX
Limits
9
1180
−30
to
+85
−55
to
+150
∗
2
3
∗
1
Unit
V
mW
°C
°C
A
∗1
Derating : 9.5mW/°C for operation above Ta=25°C.
∗2
Intermittent current at maximum applied time of 5 msec, 1/10 duty (max.)
Recommended operating conditions
(Ta=25°C)
Parameter
Supply voltage
Symbol
PRE / POW V
CC
Min.
4.5
Typ.
5.0
Max.
5.5
Unit
V
1/2
BH6530KV / BH6534KV
Optical disc ICs
Electrical characteristics
( Unless otherwise noted, Ta=25°C, Vcc=5V, Vref=1.65V, R
L
(SL)=8Ω+47µH, R
L
(SP)=2
Ω+47µH,
RNF=0.33
Ω)
Parameter
Current in standby mode
< PWM driver >
Input dead zone (one side)
Voltage gain
Output ON resistance
< 3-phase motor driver >
Input dead zone (one side)
Input-output gain
Output ON resistance
Torque limit voltage
V
DZ2
gm2
R
ON2
V
LIM2
2
0.40
−
0.16
50
0.55
0.5
0.20
150
0.70
1.0
0.24
mV
A/V
Ω
V
RNF=0.33Ω
Io=500mA
RNF=0.33Ω
Symbol
I
ST
V
DZ1
G
VC
R
ON1
Min.
−
0
12
−
Typ.
0
20
14
0.8
Max.
0.1
50
16
1.6
Unit
mA
mV
dB
Ω
Io=500mA
Conditions
Application circuit
M
0.1µF
SLED
0.1µF
0.1µF
0.1µF
220pF
0.1µF
36
N
F
37
38
SLED
IN
35
34
33
32
31
30
29
28
27
26
OSC
25
0.01µF
Vref
Charge
Pump(×2)
Pre Driver
24
23
+
−
40
T.S.D.
Vref
FG
SPINDLE
IN
42
−
REVERSE
DETECT
44
0.01µF
µ-COM
46
47
48
SBK
3 PHASE MATRIX
BK
STBY
Pre Driver
Pre Driver
Pre Driver
µ-COM
H.B.
µ-COM
1
0.1µF
1µF
Resistor for current detection
Vcc
2
0.1µF
3
4
5
6
7
0.1µF
8
9
10
0.1µF
11
12
SPINDLE
+
−
45
+
−
43
+
−
+
+
−
41
+
−
39
+
−
Logic
22
21
20
HALL3
FG
CURRENT
LIMIT
19
18
HALL2
17
16
HALL1
15
14
13
2/2
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