Development Board EPC9154 Quick Start Guide:EPC21601 40 V,10 A High Current Pulsed Laser Diode Driver
■The EPC9154 development board is primarily intended to drive laser diodes with short,high current pulses.Capabilities include minimum pulse widths of < 2 ns,peak currents > 10 A,and bus voltage rating of 30 V.The board is shipped with an EPC21601 eGaN® FET.The EPC21601 monolithically integrates an ultrafast eGaN gate driver with and a 10 A,40 V eGaN IC in one tiny 6-bump BGA IC.The EPC9154 ships with the EPC9989 interposer board.The EPC9989 is a collection of break-away 5 mm x 5 mm square interposer PCBs with footprints for different lasers,RF connectors,and a collection of other footprints designed for experimentation with different loads.The use of the interposers allows many different lasers or other loads to be mounted on the EPC9154.Laser diodes or other loads are not included,and must be supplied by the user.
■The EPC9154 combines the EPC21601 eGaN IC with a printed circuit board with inputs, outputs,and test points in order to evaluate and demonstrate the capabilities of the IC and connected load.The printed circuit board is designed to minimize the power loop inductance while maintaining mounting flexibility for the laser diode or other load.It includes multiple on-board passive probes for voltages and is equipped with MMCX connections for input and sensing.The EPC21601 IC requires a 5 V-DD supply,but is designed to interface with 3.3 V and 5 V CMOS logic families.In many cases it can also be driven from 2.5 V and 1.8 V logic families.Finally,the board can also be used for other applications requiring a ground-referenced eGaN IC,e.g.Class E amplifiers, boost converters,or similar. A complete block diagram of the circuit is given in Figure 1,and a detailed schematic in Figure 6.
■The datasheet should be read in conjunction with this quick start guide.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2022/5/18 |
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Revision 2.0 |
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776 KB |
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