參數(shù)資料
型號(hào): FAN8742G
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: Spindle Motor and 6-CH Driver
中文描述: CD MOTOR DRIVER, PDSO56
封裝: SSOP-56
文件頁(yè)數(shù): 2/23頁(yè)
文件大小: 541K
代理商: FAN8742G
2
www.fairchildsemi.com
FAN8741/FAN8742 Rev. 1.0.1
F
Internal Block Diagram
(Pins numbered according to the FAN8741MTF--Leadframe exposed to the bot
tom)
H-bridge
4
DIR
OSC
OSC
H
C
&
Reverse Detect
F
G
S
D
I
OMAX
Drive
Logic
Flip
Flop
OSC
PWM Control
10k
10k
L
20k
10k
BTL driver
43
44
31
40
41
38
39
36
37
32
34
35
BTL
driver
BTL
driver
BTL
driver
33
45
42
46
47
53
54
55
C
p
O
VCP
VCP
VCP
48
REF
PWM Control
OSC
56
H
bridge
PWM Control
52
23
Hall bias
22
Mute Selection
&Spindle brake sel.
TSD
18
19
24
16
17
26
25
29
30
10
12
14
5
6
7
2
3
4
15
11
1
49
50
51
21
13
9
20
27
28
8
FG
HU+
HU
HV+
HV
HW+
HW
VH
VM1
RSP2
RSP1
U
V
W
PGND2
PGND1
SPIN
REF
VM2
RSL1
SL1+
SL1
PGND3
RSL2
SL2+
SL2
SLIN2
SLIN1
SVCC2
SGND
MUTE1
MUTE2
SVCC1
DGND
VDD
VCP
CP2
CP1
IN3
IN4
PVCC3
DO4
DO4+
PGND5
PVCC2
DO3
DO3+
PVCC1
DO2
DO2+
DO1+
DO1
PGND4
IN1
IN2
VCP
LPF
LPF
LPF
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