FPAL15SM60 查看數據表（PDF） - Fairchild Semiconductor

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FPAL15SM60

Smart Power Module (SPM)

Fairchild Semiconductor 

Input Signal

Internal IGBT

Gate-Emitter Voltage

P5

P6

SC Detection

P1

Output Current

P4

P7

P2

Sensing Voltage

Fault Output Signal

SC Reference

Voltage (0.5V)

RC Filter Delay

P3

P8

P1 : Normal operation - IGBT ON and conducting currents

P2 : Short-circuit current detection

P3 : IGBT gate interrupt / Fault signal generation

P4 : IGBT is slowly turned off

P5 : IGBT OFF signal

P6 : IGBT ON signal - but IGBT cannot be turned on during the fault-output activation

P7 : IGBT OFF state

P8 : Fault-output reset and normal operation start

Fig. 14. Short-circuit Current Protection (Low-side Operation only)

5 V -L in e

FPAL15SM60

CPU

100 Ω

4.7kΩ

100 Ω

100 Ω

1nF

1nF

4.7kΩ

4.7kΩ

0.47nF

1.2nF

IN(UH), IN(VH) , IN(WH)

IN (UL) , IN (VL) , IN(WL)

VFO

COM

Note

It would be recommended that by-pass capacitors for the gating input signals, IN(XX) should be placed on the SPM pins and on the both sides of CPU and SPM

for the fault output signal, VFO, as close as possible.

Fig. 15. Recommended CPU I/O Interface Circuit

©2002 Fairchild Semiconductor Corporation

Rev. B, February 2002

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