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参数资料
| 型号： | LA6503 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1 A, PQFP34 |
| 封装： | HQFP-34 |
| 文件页数： | 5/8页 |
| 文件大小： | 118K |
| 代理商： | LA6503 |
No. 5791-5/8
LA6503
Pin Functions
Pin No.
Symbol
Function
1
SLED OUT
+
Sled motor noninverted output
2
SLED OUT
–
Sled motor inverted output
3
P-GND
Power system ground
4
P-GND
Power system ground
5
SLED-IN
Sled motor signal input (The gain is set with a resistor.)
6
VCC (5 V)
Signal system power supply (5 V)
7
VREF
Reference voltage input
8
UIN–
Three-phase spindle motor hall signal input pin (U phase –)
9
UIN+
Three-phase spindle motor hall signal input pin (U phase +)
10
VIN–
Three-phase spindle motor hall signal input pin (V phase –)
11
VIN+
Three-phase spindle motor hall signal input pin (V phase +)
12
WIN–
Three-phase spindle motor hall signal input pin (W phase –)
13
WIN+
Three-phase spindle motor hall signal input pin (W phase +)
14
VHB (3Vreg)
Hall bias output pin (3-V power supply output)
15
HB
–
Sled motion distance detection hall element input (HB –)
16
HB
+
Sled motion distance detection hall element input (HB +)
17
HA
–
Sled motion distance detection hall element input (HA –)
18
HA
+
Sled motion distance detection hall element input (HA +)
19
S-GND
Signal system ground
20
P-GND
Power system ground
21
P-GND
Power system ground
22
MUTE
Sled motor output muting (output on/off control)
23
START/STOP
Spindle motor output start/stop (output on/off control)
24
FC
Phase compensation capacitor connection
25
VC
Input for the spindle control signal from the ASP
26
WOUT
Three-phase spindle motor output (W phase output)
27
VOUT
Three-phase spindle motor output (V phase output)
28
UOUT
Three-phase spindle motor output (U phase output)
29
RF
Output current detection
30
FG
FG signal output
31
VM (12 V)
Motor power supply (12 V)
32
POUT
Sled motion position detection pulse output P (96 pulses)
33
ROUT
Sled motion position detection pulse output R (48 pulses)
34
QOUT
Sled motion position detection pulse output Q (48 pulses)
Ambient temperature, Ta – C
Allowable
power
dissipation,
Pdmax
–
W
Mounted on the specified
printed circuit board
Independent IC
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