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reference designMIC803 | Demoboard EV88C63A-HVD3GD-Ctrl

Microchip MIC803 | Demoboard EV88C63A-HVD3GD-Ctrl

HV-D3 (62 mm) Gate Driver Evaluation Board

Overview

TopologyHalf-Bridge Converter symmetrical isolated
Input voltage15-28 V
Switching frequency50 kHz
Output 120 V / 9 A
IC revisionA

Description

The HVD3GD evaluation board is a dedicated two-board gate-drive solution for the 3.3 kV, 7 mΩ MSCSM330AM07CD3NG mSiC™ half-bridge module in the 62 mm D3 package. A cantilevered mechanical footprint mounts the board set directly over the module gate and source terminals for drop-in evaluation. Control and status signals cross the primary isolation barrier over a fiber-optic link, giving 6 kVworking isolation, low coupling capacitance, and high CMTI in electrically noisy medium-voltage environments. A dedicated Power Board generates independently isolated bias for the high-side and low-side channels through separate isolation transformers, supporting the gate-charge demands of large 3.3 kV modules at switching frequencies up to 50 kHz. Configurable gate-drive rails and hardware-based half-bridge protection including DESAT with soft shutdown, shoot-through interlock, deadtime generation, auxiliary and gate-drive UVLO, and per-channel fault flags with latch/reset all implemented on-board rather than in firmware.

Features

Dedicated to the 3.3 kV, 7 mΩ D3 half-bridge module (MSCSM330AM07CD3NG)Two-board architecture: Driver Board + Power BoardOptically isolated digital interface (fiber-optic control and status link)Cantilevered mechanical footprint for direct module mountingConfigurable gate-drive voltages: +20 V/–5 V (default)Hardware-based half-bridge protectionDESAT with soft shutdownShoot-through protectionMinimum deadtime generationLatching fault status with per channel flaggingSeparate high-side and low-side isolation

Typical applications

  • High-power industrial motor drives, Battery energy storage systems (BESS), MVDC distribution and solid-state transformers (SST), DC-DC converters and UPS

More information

Parts approved by Microchip

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SamplesAvailability & Sample
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150080VS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Size0805 
Operating Temperature -40 °C up to +85 °C
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Length2 mm
Width1.25 mm
Height0.7 mm
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PackagingTape and Reel 
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885012207103
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance1 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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74404043151A
SPECWE-LQS SMT Power Inductor, –, –
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LQS SMT Power Inductor
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Size4025 
Operating Temperature -40 °C up to +125 °C
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Length4 mm
Width4 mm
Height2.5 mm
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Inductance150 µH
Rated Current0.39 A
Saturation Current0.27 A
DC Resistance1634 mΩ
Self Resonant Frequency9 MHz
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885012209073
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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–
–
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Capacitance10 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size1210 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width2.5 mm
Height2.5 mm
Pad Dimension0.6 mm
Packaging7" Tape & Reel 
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