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EPC9126HC: 150A, 0 ~ 80V, Pulsed Laser Diode Driver

Summary

The EPC9126HC development board is primarily intended to drive laser diodes with high current pulses with total pulse widths as low as 5 ns (10% of peak). The board is shipped with an EPC2001C enhancement mode (eGaN®) field effect transistor (FET), a 100 V maximum device voltage capable of current pulses up to 150 A. The board does not include a laser diode, which must be supplied by the user.

The EPC9126HC is shipped with an EPC2001C ground-referenced eGaN FET driven by a Texas Instruments UCC27611 gate driver. It includes multiple options for mounting laser diodes and can drive these via a discharging capacitor (as shipped) or directly from a power bus.

The printed circuit board is designed to minimize the power loop inductance while maintaining mounting flexibility for the laser diode. It includes multiple on-board passive probes for voltages and discharge capacitor current, and equipped with SMA connections for input and sensing designed for 50 ohm measurement systems. In addition, an optional precision narrow pulse generator can be enabled by the user.

Finally, the board can also be used for other applications requiring a ground-referenced eGaN FET, e.g. Class E amplifiers or similar. The internal pulse generator ships with a pulse width of ~8 ns. R22,R23, and R24 can be changed to change the pulse width.

Specifications

Manufacturer EPC
Category Power Management
Sub-Category Power Output Stages (H-Bridge, Half Bridge)
Eval Board Part Number 917-1179-ND
Eval Board Supplier EPC
Eval Board Normally In Stock
Configuration 1 Low Side Switch
Voltage Out Range 0 ~ 80 V
Current Out 150 A
Interface PWM, Single
Features Pulse Generator
Switching Frequency (Max) Not given
Component Count + Extras 72 + 15
Design Author EPC
Main I.C. Base Part EPC2001C
Date Created By Author
Date Added To Library 2018-06

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