アイガ電子工業 List of Products and Services

This is a case of a DC stabilized power supply for a plant control room. It is a multi-channel power supply device with a specification of 7 channels. Each output is designed for high current, and each output voltage is modularized, allowing for unit-level replacement. Due to the nature of the power supply device, safety must be thoroughly considered. In addition to electrical and control specifications, the design has been enhanced mechanically to ensure that operators cannot easily access it. [Case Overview (Excerpt)] ■ Application: Plant Control Room ■ Input Voltage Range: AC 170–220V Three-phase ■ Output Specifications: 5V/100A, -3V/300A, -1.8V/300A, -5.2V/90A, -2V/150A, 5V/240A, 12V/20A ■ Number of Channels: 7 channels ■ Efficiency: 82% *For more details, please refer to the related link page or feel free to contact us.

This is a case of manufacturing a DC stabilized power supply for plant control devices. We received an inquiry about introducing a versatile power supply that can accommodate multiple control devices and support both AC and DC inputs. We developed a power supply that can interchangeably use input and output modules. By avoiding complex control for both input and output, we simplified the circuit and improved reliability. By developing a power supply that combines versatility and high reliability to meet the customer's requirements, we achieved a case where the customer was very satisfied. 【Case Overview (Excerpt)】 ■ Application: Plant control devices ■ Input Voltage Range: AC 85–132V, DC 80–163V ■ Output Specifications: 5V/12V/15V/24V/48V ■ Number of Channels: 1–10 channels ■ Efficiency: 80% *For more details, please refer to the related link page or feel free to contact us.

This is a case study of a power supply for overseas monitoring and control (for VME 6U size modules). It incorporates a DC/DC converter specified by the customer. By adding a control circuit, we achieved a simple configuration that reduces costs. Aiga Electronic Industries, which operates Industrial Custom Power Supply.com, procures customer-specified components and provides integrated services for design development, manufacturing, and inspection in-house. Please feel free to consult us. 【Case Overview】 ■ Application: Railway information monitoring and control device ■ Input voltage range: DC24V (DC21.6–30V) ■ Output specifications: 3.3V/3A, 5V/5A ■ Number of channels: 2 channels ■ Efficiency: Over 80% ■ Size: 56W × 262H × 233D ■ Applicable standards: VCCI CLASS A, IEC61000 6-4, IEC61000 6-5, VME compliant, etc. *For more details, please refer to the related link page or feel free to contact us.

This is a case study of an inverter power supply for driving power protection devices within a railway substation (converting DC input for railway substations to AC). Previously, small inverters were installed one by one for each protection device using a pseudo-sine wave. Through operational adjustments on the system side, it became possible to supply power with a single unit, contributing to overall cost reduction for the system. Additionally, at the customer's request, we provided a sine wave output, enhancing added value. Aiga Electronic Industries, which operates Industrial Custom Power.com, also has a track record in inverter design and development. Please feel free to consult us. 【Case Overview】 ■ Application: For railway power protection devices ■ Input Voltage Range: DC100/110V (DC85V–140V) ■ Output Specifications: AC235V/25.5A ■ Number of Channels: 1 channel ■ Efficiency: Over 70% ■ Size: 40W×129H×233D *For more details, please refer to the related link page or feel free to contact us.

This is a case study of an AC/DC power supply for sequencers (PLC) applications. We consolidated two models of power supply units manufactured for both domestic and overseas markets into one model and conducted design development. By incorporating input harmonic suppression circuits that are not typically found in general products, we are able to accommodate both domestic and international standards. Aiga Electronic Industries, which operates industrial-custom-power.com, offers proposals for the consolidation of power supply units. Please feel free to consult us. [Case Overview (Excerpt)] ■ Application: PLC ■ Input Voltage Range - AC100/110/115V (AC85V to 127V), AC200/240V (AC170V to 264V) - DC100/110/125V (DC80V to 163V) *For more details, please refer to the related link page or feel free to contact us.

This is a case study of a DC/DC converter (module for VME 3U size) that supports ultra-wide input. At the customer's request, they wanted to cover multiple models with DC24V/48V/72V/110V, but due to cost issues and the complexity of purchase management, they consulted about wanting to consolidate into one model. Additionally, for overseas products, it was necessary to switch control circuits for each input voltage range. By innovating the control circuit, we achieved continuous input of DC24V/48V/72V/110V without the need for manual switching of the input power supply voltage. 【Case Overview】 ■ Application: Railway safety equipment ■ Input voltage range: DC24V/48V/72V/110V (DC16.8V to 138V) ■ Output specifications: 3.3V/10A ■ Number of channels: 1 channel ■ Efficiency: 65% or more ■ Size: 40W × 129H × 233D ■ Applicable standards: JIS E 5006, JIS E 4031, IEC62236-3-2, IEC61000-4-2, IEC61000-4-11, JIS C 60068-1, VME compliant, etc. *For more details, please refer to the related link page or feel free to contact us.

This is a case study of a power supply for overseas communication base stations (module for VME 6U size). For domestic use, we had produced two types of power supplies, but for overseas use, there was a request to produce one type that could be used for two different applications. However, making it a dual-purpose specification required an increase in output by 10%, which raised concerns about cost. Therefore, we removed lower-priority functions and simplified the design to achieve a lower cost. [Case Summary (Excerpt)] - Application: Railway/Communication Base Station - Input Voltage Range: AC100/110V (AC80V to 132V) - Output Specification: 5V/22A - Number of Channels: 1 channel - Efficiency: 65% or more *For more details, please refer to the related link page or feel free to contact us.

This is a case study of a slot-type power supply unit compatible with AC/DC input for public equipment. With the installation of a no-fuse breaker, there was a challenge in fitting the circuit configuration within the space required by the customer. However, we proposed a change in the shape of the power supply unit, making it possible to fit within the effective space. Additionally, it was designed to allow for the replacement of components with a limited lifespan, such as capacitors. Although the breaker is mounted outside the enclosure, structural measures have been implemented, such as adding a cover, to prevent human error from inadvertently activating the switch. [Case Overview (Excerpt)] ■ Application: Monitoring device ■ Input Voltage Range - AC100/110/115V (AC85V to 127V) - DC100/110/125V (DC80V to 163V) ■ Output Specifications: 5V/15A, 15V/1A, -15V/1A, 24V/3A *For more details, please refer to the related link page or feel free to contact us.

This is an example of a DC stabilized power supply for elevator monitoring devices and a signal transmission device with communication conversion functions. It is necessary to ensure compatibility between the power supply and the monitoring system. Previously, communication was done using RS422 + PT 5C, but RS485 has been added to enhance compatibility in development. With the addition of RS485, the capacity of the power supply has been increased. Additionally, a nickel-cadmium battery has been incorporated to ensure operation for several hours during power outages as part of emergency measures. 【Case Overview】 ■ Application: Elevator control room ■ Input voltage range: AC 85V to 264V ■ Output specifications: 5V/3A, 24V/1.2A, 48V/0.05A ■ Number of channels: 3 channels ■ Efficiency: 80% *For more details, please refer to the related links or feel free to contact us.

This is a case study on the design and development of a DC power supply for large analytical devices. The output voltage is high, ranging from -8kV to +8kV, and there were concerns about fluctuations in the power supply voltage due to environmental factors, including humidity. There was a request to develop a power supply unit that addresses these issues. To prevent the effects of humidity, the circuit board was housed inside a stainless steel enclosure, and the area around the board was potted with insulating material to mitigate concerns about voltage fluctuations. Additionally, this design made it impossible for operators to physically access the circuit board, thereby enhancing safety. 【Case Overview】 ■ Application: Large analytical devices ■ Input Voltage Range: DC24V ±10% ■ Output Specifications: -8kV to +8kV ■ Number of Channels: 1 channel ■ Efficiency: Not specified *For more details, please refer to the related links or feel free to contact us.

This is a case study on the design and development of a DC power supply unit for FA computers. There was a request to develop a low-cost, high-reliability, and long-life power supply. 1. Selecting components that allow for long life, 2. Reviewing the circuit to reduce ripple current, thereby extending the life of aluminum electrolytic capacitors, 3. Improving the accuracy of overcurrent detection to suppress component heat generation, and other measures were implemented, making long life possible. Additionally, there was a request for high efficiency, achieving 95% efficiency. 【Case Overview】 ■ Input voltage range: AC85V to 127V ■ Output specifications: P5=16A, P12=6A, N12=0.5A, N5=0.5A ■ Number of channels: 4 channels ■ Efficiency: Over 70% *For more details, please refer to the related links or feel free to contact us.

This is an example of a DC current amplifier for large coils developed and designed by our company. There was a request for a constant current output accuracy of ±1% or less relative to the input voltage. Therefore, we selected high-precision devices for the isolation amplifier used in the control section. By using devices that can achieve an accuracy of 1/100 compared to general-purpose resistors and capacitors, we optimized the circuit design around the isolation amplifier. Additionally, there was a request to minimize the use of magnetic components, so we used materials like aluminum and brass. 【Product Overview (Partial)】 ■ Name: Constant Current Power Supply ■ Application: Constant current power supply for large coils ■ Input Voltage Range: AC 93V to 115V 3φ ■ Output Specifications: 0 to 25V, 5A ■ Number of Channels: 1 channel *For more details, please refer to the related links or feel free to contact us.

We received a request for two types of power supplies with output voltages of 24V and 48V, under the conditions of the same shape, the same input voltage range, and the same output power. Therefore, we implemented two output circuits of 24V/5A and achieved 24V/10A or 48V/5A output by switching between parallel and series operation through internal wiring changes. Furthermore, the circuits can be shared, allowing for a reduction in development time and initial costs. 【Case Overview (Partial)】 ■ Name: DC Stabilized Power Supply for Controller Devices for Power Plants ■ Application: DC Power Supply ■ Input Voltage Range: AC85–132V, DC80–163V ■ Output Specifications: 24V/10A or 48V/5A ■ Number of Channels: 1 Channel *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study of the design and development of a "DC/DC converter" built into a railway safety device that our company designed and developed. Initially, we planned to use standard products upon receiving the design request for the safety device. However, the customer expressed a desire to "also pass the device's signals through the cable supplying voltage to the device," which led them to consult us for a custom product. We designed and developed a converter that meets the customer's requirements, and they were very satisfied with the result. [Requirements] - The customer wanted to pass the device's signals through the cable supplying voltage to the device. - They wanted to supply input voltage to a separate circuit. - They needed a converter of an appropriate size that matches the device. - They wanted the specification to allow for power supply from a battery to continue operation even in case of abnormalities (such as power outages). *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study of the design and production of a "UV irradiation device" that we conducted. Production had stagnated due to the discontinuation of electronic components used in off-the-shelf products, and we received a request for a complete renewal of the device, including modifications to the components. In response, we handled everything in-house, from power supply design to component procurement, and the design and production of the device. We also proposed alternative components, addressing issues related to cost and delivery time. 【Case Overview】 ■Challenge - Production had stagnated due to the discontinuation of electronic components. ■Result - Resolved issues related to cost and delivery time. *For more detailed information about the case, please refer to the related links. For further inquiries, feel free to contact us.

We would like to introduce a case study of the development and design of a "DC power supply for inspection equipment" that we conducted. The output voltage is +5kV, which is a high voltage, and we received a request to address the impact on the power supply voltage due to surrounding environmental influences. By inserting the circuit board into a metal casing and potting the area around the board with insulating material, we improved the performance of the equipment by enhancing safety and avoiding the effects of the surrounding environment. [Case Overview] ■ Issues - The output voltage is +5kV, and there was an impact on the power supply voltage due to surrounding environmental influences. ■ Results - Improved the performance of the equipment by avoiding safety issues and the effects of the surrounding environment. - Enabled control of the power supply voltage through serial communication functionality. *For more detailed information about the case, please refer to the related links. For further inquiries, feel free to contact us.

We would like to introduce a case study on the development and design of our "Ultra-Thin DC Stabilized Power Supply." To achieve redundancy in the power supply system within a limited space, there was a requirement for a slim design. We implemented a low-profile design for the transformers and coils that make up the power supply, and by innovating the placement of components such as semiconductors and cutting out parts of the heat dissipation plate for component clearance, we achieved a thin profile. 【Case Overview】 ■ Results - Achieved a slim design by innovating the placement of components such as semiconductors and cutting out parts of the heat dissipation plate for component clearance. - Ensured insulation by implementing an insulating sheet on the soldering surface. *For more detailed information about the case, please refer to the related links. For further inquiries, feel free to contact us.

We would like to introduce our development and design achievements of the "DC Power Supply for Imaging Diagnostic Equipment." Although the output voltage is high at +3kV, the specified enclosure size is small, and we have achieved miniaturization by filling the high-voltage generation section with insulating material. Additionally, during the design phase, we have implemented measures to eliminate ringing that occurs during voltage transients, ensuring stable voltage control. 【Overview of Achievements】 ■ Name: DC Power Supply for Imaging Diagnostic Equipment ■ Application: High Voltage Power Supply ■ Input Voltage Range: DC24V ±10% ■ Output Specifications: +1kV to 3kV, suitable for 2mA/capacitive load ■ Number of Channels: 1 channel *For more details, please download the PDF or feel free to contact us.