BD7904FS ROHM Co. Ltd., BD7904FS Datasheet - Page 2

• Manufacturer Part Number: BD7904FS
• Description: 5ch Power Driver For Cd-rom, Dvd-rom
• Manufacturer: ROHM Co. Ltd.

   
   
∗3 Set the same supply voltage to V
∗4 The current is guaranteed 3.0A in case of the current is turned on/off in a duty-ratio of
POWER MOS Power supply voltage 1
POWER MOS Power supply voltage 2
Preblock Power supply voltage
Power block Power supply voltage
PWM control block, REG Power supply voltage
Spindle output current
SL/FO/TR/LO output current
less than 1/10 with a maximum on-time of 5msec.
FG
54
1
53
2
52
3
+
+
FG
−
51
Parameter
4
−
LIMIT
50
5
REVERSE
DETECT
49
CC
6
and SPVM1, 2 to SLVDD and SLRNF.
48
7
PRE
LOGIC
FF
OSC
47
CONTROL
8
BRAKE
STBY/
46
9
LEVEL
SHIFT
−
+
45
10
44
11
SLVDD, V
SPVM1, 2
°
Symbol
SLRNF
43
12
DV
AVM
Iosp
Ioo
PWM
OUT
CC
42
13
3-phase
MATRIX
CC
TSD
41
14
FF
40
15
AVM
Current
COMP
Min.
4.3
4.3
−
−
−
−
OSC
Polarity
COMP
39
16
38
17
SLVDD
V
Typ.
Current
LIMIT
37
18
5.0
5.0
1.0
0.5
CC
12
LEVEL
SHIFT
∗3
36
19
VC
∗3
−
35
20
−
LEVEL
SHIFT
+
+
Max.
2.5
V
6.0
0.8
14
34
21
−
−
CC
∗4
HALL
BIAS
33
22
+
32
23
−
Unit
V
V
V
V
V
A
A
31
24
30
25
+
−
29
26
(1.3V)
−
BG
+
28
27