Introduction to Semiconductor Laser Power Supply Equipment
Power supply unit for semiconductor lasers EP-1003A
This is an introduction to a power supply device for semiconductor lasers that adopts a multi-phase drive switching method.
1. Achieving improved cutting quality through high-speed pulses and arbitrary waveforms, effective for materials with high thermal conductivity (such as FRP). 2. Over 90% high efficiency, realizing a cutting processing device that operates solely with air cooling and high energy conversion efficiency. 3. Compact, lightweight, and cost reduction, achieved through a simple structure. 【Patent Overview】 Title of Invention: Switching Power Supply Patent Number: Patent No. 7348667 Patent Holder: Edic Systems Co., Ltd. Patent Registration Date: September 12, 2023
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basic information
Maximum load voltage: 80V Maximum current: 80A (CW) 115A (pulse) Maximum pulse width: 100ms @ 115A Rise time: 5μs or less (10-90%) Fall time: 5μs or less (10-90%) Parallel operation timing error: 0.2μs or less Overshoot: 3% or less Current accuracy: ±3A Efficiency: 90% or more
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Applications/Examples of results
It is possible to enhance responsiveness with low ripple using a multi-phase drive switching method based on a digital approach. Conventional Example: Dropper Regulator - Efficiency: 40-60%, generates significant heat - Responsiveness: Approximately 10µs - Current: Over 100A - Waveform: CW Conventional Example: Switching Regulator - Efficiency: 85-90% - Responsiveness: Approximately 10ms - Current: Performance deteriorates above 30A - Waveform: CW New Method: Multi-Phase Drive Switching Method - Efficiency: 90% - Responsiveness: Less than 5µs - Current: Over 100A - Waveform: CW, arbitrary waveform
Detailed information
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Example of multi-phase drive switching method
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Load 0.47Ω Current 100A Time width 64μs Rise time 3.2μs Example waveform at 90%
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Example waveform with a load of 0.47Ω, current of 40A and 25A, pulse width of 35μs, and rise time of 2.5μs.
Company information
We provide comprehensive support from idea and specification proposals to development and manufacturing. We consistently design without interruption from analog front-end to high-speed digital, FPGA logic, and edge AI, building high-bandwidth, low-latency, and highly reliable electronic systems for IoT/communication, industrial equipment, broadcasting, measurement, and next-generation mobility. By integrating high-frequency design, signal processing, and real-time control, we ensure that the required specifications are met while proposing improvements where necessary, achieving a high level of completion in implementation.
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