User guide
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2022-04-26
RIC74424EVAL1 user guide
Open loop dual output gate driver with R9 FETs
Recommended operation
3
Recommended operation
3.1
Equipment
The following equipment is recommended to operate RIC74424EVAL1
5 V to 20 V power supply capable of at least 100 mA for VS bias supply
DC voltage power supply with voltage and current capability high enough for power level of planned test
Signal generator to provide PWM input for IN A and IN B capable of at least 0 V to 5 V with minimum pulse
width less than 1 ns
Oscilloscope and probes for measurement with at least 200 MHz bandwidth to capture high slew rate and
high frequency ringing
Multimeter or source meter with resolution of at least 100 nA to measure quiescent current of bias power
rails
VS bias
supply
-
+
Signal
generator
Oscilloscope
DC voltage
power supply
-
+
Figure 5
Recommended configuration of RIC74424EVAL1 when testing Q1 (SMD-0.5/e)
3.1.1
Power up
The following procedure is recommended for powering up RIC74424EVAL1:
1.
Connect VS bias supply, DC voltage power supply, signal generator and measurement probes
2.
Enable VS
3.
Enable DC voltage power supply
4.
Enable signal generator
3.1.2
Power down
The following procedure is recommended for powering down RIC74424EVAL1:
1.
Disable DC voltage power supply
2.
Disable signal generator
3.
Disable VS
4.
Remove VS bias supply, DC voltage power supply, signal generator and measurement probes
