Development Board
EPC90147
Quick Start Guide
100 V Half-bridge with Gate Drive, Using EPC23102
Revision 1.0
Page 1: ...Development Board EPC90147 Quick Start Guide 100VHalf bridgewithGateDrive UsingEPC23102 Revision 1 0...
Page 2: ...k start guide Table 1 Performance Summary TA 25 C EPC90147 Symbol Parameter Conditions Min Nominal Max Units VDD Gate Drive Input Supply Range 7 5 12 V VIN Bus Input Voltage Range 1 80 V IOUT Switch N...
Page 3: ...te jumper positions for J630 mode selection as shown in figure 2 a for a single input buck converter blue jumper across pins 1 2 of J630 b for a single input boost converter blue jumpers across pins 3...
Page 4: ...te drive supply to VDD J1 Pin 1 and ground return to GND J1 Pin 2 indicated on the bottom side of the board 4 With power off connect the input PWM control signal to PWM1 and or PWM2 according to the i...
Page 5: ...3 With power off connect the gate drive supply to VDD J1 Pin 1 and ground return to GND J1 Pin 2 indicated on the bottom side of the board 4 With power off connect the input PWM control signal to PWM...
Page 6: ...ve voltage probes e g TPP1000 measuring switch node using MMCX connector probe adaptor is available PN 206 0663 xx NOTE For information about measurement techniques the EPC website offers AN023 Accura...
Page 7: ...d with three mechanical spacers that can be used to easily attach a heat spreader or heatsink as shown in figure 9 a and only requires a thermal interface material TIM a custom shape heat spreader hea...
Page 8: ...onductance between the FETs and the attached heat exchanger The choiceofTIMneedstoconsiderthefollowingcharacteristics Mechanical compliance During the attachment of the heat spreader the TIM underneat...
Page 9: ...ELECTRICAL PERFORMANCE Measure Waveforms Table 2 Test conditions Parameter Max Units Regulated Input voltage 48 V Regulated Output voltage 12 V Switching frequency fS 500 1000 1500 kHz Inductor mounte...
Page 10: ...veforms when operating from 48 V at 500 kHz and delivering 10 A into a 12 V load Figure 14 Measured inductor current and switch node waveforms when operating from 48 V at 500 kHz and delivering 15 A i...
Page 11: ...Setting Condition fSW 500 kHz fSW 1 MHz Enabled nEN low VIN 48 V 40 mA 58 mA Disabled nEN high 3 6 mA 5 1 mA Figure 15 Measured efficiency and power loss operating at various switching frequencies and...
Page 12: ...wing the case temperature when operating under the following conditions fS 1 MHz IOUT 17 A output 25 C ambient and high airflow Figure 18 Measured thermal image showing the case temperature when opera...
Page 13: ...thatarenotRoHScompliant EfficientPowerConversionCorpora tion EPC makesnoguaranteethatthepurchasedboardis100 RoHScompliant TheEvaluationboard orkit isfordemonstrationpurposesonlyandneithertheBoardnorth...
