IGBT gate driver BAP-1491

IGBT gate driver
IGBT gate driver
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IGBT, SCR, opto-isolated, insulated


BAP-1491 Full-Bridge IGBT Driver Gate Drive Board for Three Phase and Full Bridge Inverters FEATURES INCLUDE • Includes Four Individual SCR Gate Drivers • Single 24VDC Input • Opto-Isolated Customer Interface • SCR Short Circuit Detection Option • On-Board Snubber Option • Rugged Design (Mil-STD Shock & Vibe) • 60 or 400 Hz Operation APPLICATIONS • AC Transfer Switches • Heater Controls • Solid State AC Switches • Electro Mechanical • Switch Replacements The BAP-1491 Insulated Gate Bipolar Transistor (IGBT) Gate Drive Board (GDB) discussed in this Datasheet/Application Note provides a safe, reliable, isolated interface between control logic and an IGBT based power stage. With minimal development time and cost, an effective inverter can be designed and built using the techniques described below. Typically, the most unreliable portion of an inverter design is the power stage. In most if not all cases, this is due to inadequate control of the power semiconductors. The APS IGBT GDB is a robust design (see Figure 1 Block diagram) offering the necessary protection features to ensure a reliable power stage including: two forms of over current protection, DC link over voltage protection, over temperature protection, and under voltage lockout. Also provided as feedback signals to the control logic are isolated, analog, real-time representations of each phase output current, the DC link voltage and a temperature sensor interface that can be mounted on a heatsink.
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