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參數(shù)資料
| 型號： | FNB41560 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | AC MOTOR CONTROLLER, DMA26 |
| 封裝： | SPM-26 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 905K |
| 代理商： | FNB41560 |
12
www.fairchildsemi.com
FNB41560 Rev. C
F
N
B
4
15
6
0
S
m
a
rt
P
o
w
e
r
M
o
d
u
le
(with the external shunt resistance and CR connection)
c1 : Normal operation: IGBT ON and carrying current.
c2 : Short circuit current detection (SC trigger).
c3 : Hard IGBT gate interrupt.
c4 : IGBT turns OFF.
c5 : Input “L” : IGBT OFF state.
c6 : Input “H”: IGBT ON state, but during the active period of fault output the IGBT doesn’t turn ON.
c7 : IGBT OFF state
Figure 13. Short-Circuit Current Protection (Low-side Operation only)
Input/Output Interface Circuit
Note:
1) RC coupling at each input (parts shown dotted) might change depending on the PWM control scheme used in the application and the wiring impedance of the application’s
printed circuit board. The SPM input signal section integrates 5k
W (typ.) pull-down resistor. Therefore, when using an external filtering resistor, please pay attention to the sig-
nal voltage drop at input terminal.
2) The logic input is compatible with standard CMOS outputs.
Figure 14. Recommended CPU I/O Interface Circuit
Lower arms
control input
Output Current
Sensing Voltage
of the shunt
resistance
Fault Output Signal
SC Reference Voltage
CR circuit time
constant delay
SC
Protection
Circuit state
SET
RESET
c6
c7
c3
c2
c1
c8
c4
c5
Internal IGBT
Gate-Emitter Voltage
MCU
COM
5V-Line (MCU or Control power)
,
IN
(UL)
IN
(VL)
IN
(WL)
,
IN
(UH)
IN
(VH)
IN
(WH)
V
FO
RPF=10k
SPM
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