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參數(shù)資料
| 型號： | UPD16856GS |
| 廠商： | NEC Corp. |
| 英文描述： | MONOLITHIC CD-ROM 3-PHASE SPINDLE MOTOR DRIVER |
| 中文描述： | 整體式的CD - ROM 3相電機(jī)驅(qū)動主軸 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 102K |
| 代理商： | UPD16856GS |
8
μ
PD16856
Data Sheet S13447EJ1V0DS00
FUNCTION OPERATION TABLE
(1) ST/SP = “H”
Input Signal
CMP1
H
H
L
L
L
L
L
L
H
H
H
H
Circuit Operation Mode
Source
→
Sink
CMP0
H
H
H
H
H
H
L
L
L
L
L
L
CMP2
L
L
L
L
H
H
H
H
H
H
L
L
PWM
H
L
H
L
H
L
H
L
H
L
H
L
Operation
Brake
Operation
Brake
Operation
Brake
Operation
Brake
Operation
Brake
Operation
Brake
W
V
W
→
U
V
→
U
V
→
W
U
→
W
U
→
V
Brake: Regenerates via the high-side Pch MOS FET channel.
(2) ST/SP = “L”
Input Signal
CMP1
Circuit Operation Mode
CMP0
CMP2
PWM
Short brake
Short brake: Turns the high-side MOS FET on and the low-side MOS FET off.
(3) Torque Command
The curve shown below is the relationship to torque of the difference (ECR – EC) between the control reference
voltage (ECR) and the control voltage (EC).
Reverse Rotation Pin Voltage (REV)
L
H
ECR > EC
Normal rotation
Reverse rotation
Note
ECR < EC
Reverse rotation
Note
Stop
Note
Stops after detecting reverse rotation
The reverse drive current flows in the high-side Pch
MOS FET channel on reverse rotation.
100%
–100%
Reverse direction torque
Normal direction torque
Duty cycle
→
ECR–EC
(+)
(–)
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| UPD16857 | 制造商:NEC 制造商全稱:NEC 功能描述:MONOLITHIC 6 channel H-BRIDGE DRIVER |
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| UPD16858C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UPD16858B/C Data Sheet | Data Sheet[08/1999] |
| UPD16858CGS-GJG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
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