EPC EPC9085 Посібник із швидкого старту - Сторінка 3
Переглянути онлайн або завантажити pdf Посібник із швидкого старту для Материнська плата EPC EPC9085. EPC EPC9085 6 сторінок. Development board 40 v half-bridge with gate drive, using epc2049
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Gate drive supply
(note polarity)
7.5 V – 12 V
(For efficiency
measurement)
4 V/ div
V
IN
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V
DD
Gate drive
regulator
Logic and
dead-time
PWM input
adjust
Figure 1: Block diagram of EPC9085 development board
V
supply
DD
V
V
IN
Optional output
capacitor pads
PWM input
Figure 2: Proper connection and measurement setup
=24 V I
=15 A f
= 500 kHz
OUT
sw
Figure 3: Typical Waveform for V
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Half bridge with
Gate drive supply
bypass capacitors
LM5113
gate
driver
Optional 2-pin
header for switch
Optional
node measurement
inductor
pads
External load Optional buck configuration
5 ns/ div
4 V/ div
= 48 V to 1.8 V
, 10 A (500 kHz) Buck Converter
IN
OUT
| COPYRIGHT 2018 |
V
IN
V
OUT
Half bridge configuration
A
I
IN
Switch node
V
IN
External circuit
V
=24 V I
=15 A f
= 500 kHz
IN
OUT
sw
EPC9085
supply
5 ns/ div
| 3