Johnsin Tao:
Hi不能的,一般光耦是低压小电流的信号处理应用,电源里的驱动一般都是CT变压器。(驱动MOS的瞬间电流很大的,而一般光耦电流很小)
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CHUNTIAN wen:
Johnsin Tao你好!这个是高速输出4A电流的光耦:Pin-compatible, drop-in upgrades for
popular high speed opto-coupled gate
drivers
Low power diode emulator simplifies
design-in process
0.6 and 4.0 Amp peak output drive
current
Rail-to-rail output voltage
Performance and reliability advantages
vs. opto-drivers
Resistant to temperature and age
10x lower FIT rate for longer service
life
14x tighter part-to-part matching
Higher common-mode transient
immunity: >50 kV/µs typical
Robust protection features
Multiple UVLO ordering options
(5, 8, and 12 V) with hysteresis
60 ns propagation delay, independent of
input drive current
Wide VDD range: 6.5 to 30 V
Up to 5000 VRMS isolation
10 kV surge withstand capability
AEC-Q100 qualified
Wide operating temperature range
–40 to +125 °C
RoHS-compliant packages
SOIC-8 (Narrow body)
DIP8 (Gull-wing)
SDIP6 (Stretched SO-6)
Automotive-grade OPNs available
AIAG compliant PPAP documentation
support
IMDS and CAMDS listing support
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Johnsin Tao:
Hi如果是这样的话,虽然没有见过这样的设计,但是应该是可以的,不过最好是通过电路实际驱动MOS测试一下。【或者说你有看到其他公司或者官方有这样的参考设计(只要是这样驱动的设计),那么应该是没有问题的】
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Johnsin Tao:
Hi如果是支持大电流驱动,我觉得是可以的,尽管没有见过这样的参考设计。【如果你有看到其他公司等有官方的参考设计(只要是这样设计驱动即可),那么应该是没有问题。】