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AN8481SB 数据表(PDF) 2 Page - Panasonic Semiconductor

部件名 AN8481SB
功能描述  Spindle motor driver IC for optical disk
Download  6 Pages
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制造商  PANASONIC [Panasonic Semiconductor]
网页  http://www.panasonic.com/industrial/
标志 PANASONIC - Panasonic Semiconductor

AN8481SB 数据表(HTML) 2 Page - Panasonic Semiconductor

  AN8481SB Datasheet HTML 1Page - Panasonic Semiconductor AN8481SB Datasheet HTML 2Page - Panasonic Semiconductor AN8481SB Datasheet HTML 3Page - Panasonic Semiconductor AN8481SB Datasheet HTML 4Page - Panasonic Semiconductor AN8481SB Datasheet HTML 5Page - Panasonic Semiconductor AN8481SB Datasheet HTML 6Page - Panasonic Semiconductor  
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AN8481SB
ICs for Motor
2
s Block Diagram
VREG
REF
PCS
SWB
SWG
GND
VCC
PCI
S/S
21
19
18
17
16
14
13
12
8
Amp.
Amp.
Absolute
value
Triangular
wave
Detection
Direction
detection
Lower
side
VCE
detection
Lower side
distribution
Upper side
distribution
Direction changeover
Amp.
Hall amp. matrix
Hall
bias
Start/stop
Thermal
protection
circuit
FG
comparator
VTL
ER
EA
EP
= ER × EA
Logic
s Pin Descriptions
Pin No. Symbol
Description
11
EC
Torque command input pin
12
PCI
Current feedback phase compensation pin
13
VCC
Supply voltage pin
14
SG
Signal GND pin
15
FC
Triangular wave oscillation pin
16
SWG
SW-REG system GND pin
17
SWB
SW-REG driving pin
18
PCS
SW-REG system phase compensation pin
19
VREG
Fixed power supply pin
20
VM
Motor supply voltage pin
Pin No. Symbol
Description
1H1
+
Hall element-1 positive input pin
2H1
Hall element-1 negative input pin
3H2
+
Hall element-2 positive input pin
4H2
Hall element-2 negative input pin
5H3
+
Hall element-3 positive input pin
6H3
Hall element-3 negative input pin
7
VH
Hall bias pin
8
SS
Start/stop changeover pin
9
FG
FG signal output pin
10
ECR
Torque command reference input pin


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