Author: George Danz HVIC high voltage integrated circuit designed driv

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Author: George Danz HVIC high voltage integrated circuit designed driv

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HVIC/IGBT Half-Bridge Converter Evaluation Circuit
Author: George Danz HVIC high voltage integrated circuit designed drive n-channel IGBTs MOSFETs half-bridge configuration 500VDC. Power supply motor control inverters configured voltages 230VAC using HVIC, IGBTs other components. precautions should taken using circuit. Lead lengths between external power circuit (including gate pilot leads), bypass capacitor (CDD), bootstrap diode (DF) capacitor (CF) HVIC should minimized. basic components required evaluate features SP601 shown simplified schematic. recommended load largely resistive that largest current component will flow through IGBTs, IGT1 IGT2. flyback diodes, rated will carry much smaller flyback current component. small amount load inductance will cause switching waveforms simulate conditions which would normally observed with motor transformer loads, while limiting current carried lower rated flyback diodes this circuit. values RPUa, RPUb, etc., have been chosen result overcurrent trip approximately 25Apk. this level current, heat sinking IGTs flyback diodes required. series resistance upper lower pilot resistor dividers would approximately divider ratio should cause 0.1V desired trip current. When first energizing your evaluation circuit, begin with reduced voltage about 20VDC 30VDC verify proper circuit operation before proceeding higher voltages. More specific information found File Number 2428 File Number 2429 Half-Bridge 500VDC Driver data sheets Application Note, AN-8829.1.
/Title AN75 Subect HVIC IGBT alfridge onerter valution iruit) Autho Keyords Cretor dfark
Simplified Schematic
25VDC VLINK 500VDC IGT1 PULSE +15V UP/DOWN VBIAS PHASE VOUT TRIPU RPUb VLINK 0.22 RPBa
Pageode Useutine DOCIEW dfark
FAULT FAULT +15V
IGT2 RPLa
HVIC
ENABLE
TRIPL
VLINK RPLb
10µF
HVIC Fairchild Part SP601 (Formerly GS601) IGT1, Fairchild Part HGTA24N60D1C
Fairchild Part RUR860 Fairchild Part A114M
RPUa, RPLa 910, 1.8W RPUb, RPLb 1.8W
0.1µF, 600VDC
©2002 Fairchild Semiconductor Corporation
Application Note Rev.
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FAIRCHILD SEMICONDUCTOR RESERVES RIGHT MAKE CHANGES WITHOUT FURTHER NOTICE PRODUCTS HEREIN IMPROVE RELIABILITY, FUNCTION DESIGN. FAIRCHILD DOES ASSUME LIABILITY ARISING APPLICATION PRODUCT CIRCUIT DESCRIBED HEREIN; NEITHER DOES CONVEY LICENSE UNDER PATENT RIGHTS, RIGHTS OTHERS.
LIFE SUPPORT POLICY FAIRCHILDS PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL FAIRCHILD SEMICONDUCTOR CORPORATION. used herein: critical component component life Life support devices systems devices support device system whose failure perform systems which, intended surgical implant into reasonably expected cause failure life body, support sustain life, whose support device system, affect safety failure perform when properly used accordance with instructions provided labeling, effectiveness. reasonably expected result significant injury user. PRODUCT STATUS DEFINITIONS Definition Terms Datasheet Identification Advance Information Product Status Formative Design First Production Definition This datasheet contains design specifications product development. Specifications change manner without notice. This datasheet contains preliminary data, supplementary data will published later date. Fairchild Semiconductor reserves right make changes time without notice order improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves right make changes time without notice order improve design. This datasheet contains specifications product that been discontinued Fairchild semiconductor. datasheet printed reference information only.
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Author: George Danz HVIC high voltage integrated circuit designed driv

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