IEPC EPC9067 Quick Start Manual Download Page 3

QUICK START GUIDE

EPC – EFFICIENT POWER CONVERSION CORPORATION   |   

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   |   COPYRIGHT 2017   |                                                                                                    | 3

Demonstration System EPC9067

 Figure 2: Proper connection and measurement setup

 Figure 3: Proper measurement of the switch node

Figure 1: Block diagram of EPC9067 development board

Q

1

V

IN

Q

2

C

Bypass

Le

ve

l s

hi

ft

PGND

Gate drive

regulator 

Logic and

dead-time

adjust 

V

DD

GND

PWM

L

Buck

C

OUT 

C

ZVS

DC output

L

ZVS

HF output

7.5 – 12 V 

DC

V

IN

supply

(note polarity)

High frequency

connection 

Switch-node

oscilloscope  probe

Ground post

Dead-time

setting

(if installed)

+

DC output

measurement 

V

+

Main voltage

measurement 

V

52 V

DCmax

V

Main

supply

(note polarity)

DC output

Control signal

inputs 

SMA (optional)

Do not use

probe ground lead 

Ground probe

against post 

Place probe tip

in large via 

Minimize loop 

Summary of Contents for EPC9067

Page 1: ...Development Board EPC9067 Quick Start Guide EPC8009 65VHalfBridgewithSyncFETBootstrapGateDrive ...

Page 2: ... Voltage Threshold Input High Input Low 3 5 0 6 1 5 V V Minimum High State Input Pulse Width VPWM rise and fall time 10ns 40 ns Minimum Low State Input Pulse Width VPWM rise and fall time 10ns 160 ns Assumesinductiveload maximumcurrentdependsondietemperature actualmaximumcurrent withbesubjecttoswitchingfrequency busvoltageandthermals Limitedbytimeneededto refresh highsidebootstrapsupplyvoltage QUI...

Page 3: ...CBypass Level shift PGND Gatedrive regulator Logicand dead time adjust VDD GND PWM LBuck COUT CZVS DC output LZVS HF output 7 5 12 VDC VIN supply notepolarity Highfrequency connection Switch node oscilloscope probe Groundpost Dead time setting if installed DC output measurement V Mainvoltage measurement V 52 VDCmax VMain supply notepolarity DC output Control signal inputs SMA optional Donot use pr...

Page 4: ... NC7SZ00L6X 23 1 U71 IC s 2 Input AND Gate Tiny Logic 1 65 V to 5 5 V 32 mA Fairchild NC7SZ08L6X 24 4 TP1 TP2 TP3 TP4 Test Point Test Point Subminiature Keystone 5015 25 0 19 J70 J90 GP1 See Note 1 Headers Male Vertical 36 Pin 230 Contact Height 1 Center Pitch FCI 68001 236HLF 26 4 J1 J3 J4 J5 Headers 2 Rows by 2 Pins 1 Male Vertical 1 Center Pitch TE Connectivity 5 146256 2 Optional Components It...

Page 5: ...TP1 1 TP2 Vmain Q1 GRret1 PGND PGND PGND PGND PGND PGND PGND GRH1 GLH1 Vmain Vmain Vmain Vmain Vmain 1 2 3 4 J70 PWM1 PWM2 DNP 1 2 R73 1 2 R72 PWM2 PWM2 PWM1 PWM1 DNP 0 Ω DNP 0 Ω 1 2 R71 PWM1 Q2 EPC8009 EPC8009 DNP Lbuck D40 BAT54 K FILM PGND C6 Vmain C5 PGND Vmain 5 V 4 7 V 4 7 V GLH1 PGND PGND C7 C40 HS1 DNP C2 C3 Output HF Gbtst Q44 EPC2038 100 V 2 8 Ω 1 2 R45 SDM03U40 D44 EMPTY C46 EMPTY D41 C...

Page 6: ...orcompliancewiththeEuropeanUniondirectiveonelectromagneticcompatibilityoranyothersuchdirectivesorregulations Asboard builds are at times subject to product availability it is possible that boards may contain components or assembly materials that are not RoHS compliant Efficient Power Conversion Corporation EPC makesnoguaranteethatthepurchasedboardis100 RoHScompliant TheEvaluationboard orkit isford...

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