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參數(shù)資料
| 型號： | FCBS0550 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Smart Power Module (SPM) |
| 中文描述： | AC MOTOR CONTROLLER, 7 A, DMA27 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 249K |
| 代理商： | FCBS0550 |
9
www.fairchildsemi.com
FCBS0550 Rev. A
F
Time Charts of SPMs Protective Function
a1 : Control supply voltage rises: After the voltage rises UV
CCR
, the circuits start to operate when next input is applied.
a2 : Normal operation: MOSFET ON and carrying current.
a3 : Under voltage detection (UV
CCD
).
a4 : MOSFET OFF in spite of control input condition.
a5 : Fault output operation starts.
a6 : Under voltage reset (UV
CCR
).
a7 : Normal operation: MOSFET ON and carrying current.
Figure 6. Under-Voltage Protection (Low-side)
b1 : Control supply voltage rises: After the voltage reaches UV
BSR
, the circuits start to operate when next input is applied.
b2 : Normal operation: MOSFET ON and carrying current.
b3 : Under voltage detection (UV
BSD
).
b4 : MOSFET OFF in spite of control input condition, but there is no fault output signal.
b5 : Under voltage reset (UV
BSR
)
b6 : Normal operation: MOSFET ON and carrying current
Figure 7. Under-Voltage Protection (High-side)
Low-Side
Input Signal
Low-Side Output Current
Fault Output Signal
Low-Side Control
Supply Voltage
RESET
UV
CCR
Protection
Circuit State
SET
RESET
UV
CCD
a1
a3
a2
a4
a6
a5
a7
High-Side Input Signal
High-Side Output Current
Fault Output Signal
High-Side Control
Supply Voltage
RESET
UV
BSR
Protection
Circuit State
SET
RESET
UV
BSD
b1
b3
b2
b4
b6
b5
High-level (no fault output)
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