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This section provides an overview for bulk converters as well as their applications and principles. Also, please take a look at the list of 7 bulk converter manufacturers and their company rankings. Here are the top-ranked bulk converter companies as of September, 2026: 1.STMicroelectronics, 2.UUGear s.r.o., 3.ABLIC Inc..
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Categories Related to Bulk Converters
A bulk converter is a type of power supply circuit designed to step down a general-purpose DC voltage input to a lower DC voltage output.
It ensures the generation and delivery of a stable DC voltage, even when the input voltage fluctuates slightly. Bulk converters are used to generate specific voltages from a general voltage source, supplying the required voltage to electronic device circuits.
Bulk converters are essential for adjusting the output voltage supplied to electrical circuits. For example, while household power outlets typically deliver 100 V AC, many electronic device circuits operate on DC power. Therefore, AC power needs conversion to DC. Further, if electronic devices incorporate microcontrollers or logic ICs, the DC voltage converted from AC must be stepped down to levels like 5 VDC or 3.3 VDC, necessitating the use of bulk converters.
Bulk converters can be categorized into series regulators and switching regulators.
A series regulator consists of a control element (often a bipolar transistor), a control circuit, and a reference voltage source. It is connected in series between the power input and output, reducing the output voltage below the input voltage. The control circuit modulates the transistor's operation to maintain a constant output voltage despite input or output fluctuations. However, it has higher power consumption and generates more heat.
Switching regulators comprise a switching element (usually FETs), a control circuit, and a voltage smoothing circuit (inductors and capacitors). The control circuit modulates the FETs' ON/OFF states to achieve the target output voltage, while the inductor and capacitor smooth the output into stable DC voltage. This type is more efficient than series regulators, allowing for higher output currents, but it tends to produce more noise.
For applications requiring higher output currents, a switching regulator is preferable due to its lower heat generation and efficiency. Series regulators, although generating more heat, are simpler and more suitable for lower current applications.
Switching regulators, due to their complexity and additional component requirements, are generally more expensive than series regulators. If cost is a concern, a series regulator is a more economical choice.
*Including some distributors, etc.
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Incorporated in 1965, Analog Devices, Inc. designs, manufactures, tests, and markets integrated circuits (ICs), software, and subsystems that leverage analog, mixed-signal, and digital signal processing technologies. The company provides data converter products, power management and reference products for power conversion, driver monitoring, sequencing, and energy management applications in the automotive, communications, industrial, and high-end consumer markets. In addition, the company provides digital signal processing and system products for high-speed numeric calculations. It serves clients in the industrial, automotive, consumer, instrumentation, aerospace, and communications markets.
Recom Power GmbH, established in 1974 and headquartered in Gmunden, Austria, is a manufacturer of AC/DC electronic power supplies and DC/DC converters with over 30,000 compact power supplies. The company specializes in AC/DC power supplies and DC/DC converters, switching regulators, and LED drivers. It also offers isolated DC/DC converters and modules. It has a portfolio that covers the entire range between 0.25 and 240 watts in terms of DC/DC converter manufacturers. Its manufacturing and distribution facilities are ISO 9001 and ISO 14001 certified. It serves a wide range of industries such as OEMs, naval, avionics, telecom, and more.
Nisshinbo Micro Devices Inc., established in 1959, and headquartered in Tokyo, Japan, is a manufacturer of semiconductors and electronic components. The company specializes in producing integrated circuits, discrete semiconductors, optoelectronic devices, which caters to industries such as telecommunications, automotive, and consumer electronics. The company holds ISO 9001 and IATF 16949 certifications, ensuring quality in their products which are used for various applications, including wireless communication, automotive systems, and industrial automation, providing crucial electronic components for advanced technologies in various industrial and commercial sectors.
ST Micro Electronics is a global semiconductor company serving customers with innovations to have a positive impact on people's lives. Their product line is micro electronic systems, such as switches, controllers, sensors and drivers. The main selling point of ST Micro Electronics is its provision of sustainable products, and introducing their electronics to create a more sustainable world. The company, as well as providing the electronic devices, also provides software and support, ensuring that all fields are covered to provide a fully provide a supported and strong relationship with their customer base. ST Micro Electronics believe that technology plays a key role in helping to solve environmental and social challenges, which is why their semiconductor technologies start with their employees, their customers and partners.
ABLIC, Inc. is a manufacturer of analog semiconductors and integrated circuits (ICs) based in Minato-ku, Tokyo. Originally established in 2016, the company is a subsidiary of Seiko Instruments, Inc., and was renamed SII Semiconductor Corporation in 2018. The company produces memory, logic, and power management ICs, as well as various sensors for use in mobile computers, industrial equipment, wearable tech, and automotive systems. These supply clients in the consumer electronics, factory automation, and medical equipment industries.
Ranking as of September 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | STMicroelectronics |
28.6%
|
| 2 | UUGear s.r.o. |
21.4%
|
| 3 | ABLIC Inc. |
21.4%
|
| 4 | Analog Devices, Inc. |
21.4%
|
| 5 | RECOM Power GmbH. |
7.1%
|
Derivation Method
The ranking is calculated based on the click share within the bulk converter page as of September 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
2 | 40.0% |
|
United States of America
|
1 | 20.0% |
|
Austria
|
1 | 20.0% |
Netherlands
|
1 | 20.0% |
135 products found
135 products
Nisshinbo Micro Devices Inc.
830+ people viewing
Last viewed: 1 day ago
The R1260 series is a step-down DC/DC controller that operates over an input voltage range of 5V to 60V and can drive high-side and low-side extern...
Würth Elektronik
500+ people viewing
Last viewed: 1 day ago
■Features ・The simplest design (no knowledge of power supplies required) ・Through-hole package with leads to facilitate manufacturing and prototy...
Monolithic Power Systems, Inc.
430+ people viewing
■Summary The MPQ20073 includes a DDR memory termination regulator with output voltage (VTT), and the buffered VTTREF output is half of VREF. VTT-LD...
WIN SOURCE ELECTRONICS
240+ people viewing
explanation ■DC DC CNVRTR 0.5-1.8V 0.5-1.8V / Non-isolated PoL module DC DC converter 2 outputs 0.5 ~ 1.8V 0.5 ~ 1.8V 50A, 50A 4.5V - 16V input The...
Isahaya Electronics Co., Ltd.
710+ people viewing
The M57140 series is an isolated DC-DC converter designed for onboard power supplies. Four systems of DC output can be obtained with a DC20V input,...
Nisshinbo Micro Devices Inc.
900+ people viewing
Last viewed: 1 day ago
■Summary The R5112 series is a voltage regulator with an ultra-low power consumption detector that can input 42V and output 200mA. In addition to t...
Sanshin Electric Co., Ltd.
1010+ people viewing
Last viewed: 3 hours ago
■Summary The SI-8000W series is a surface-mount type step-down switching regulator IC. A high-precision, high-efficiency switching regulator can be...
Monolithic Power Systems, Inc.
320+ people viewing
Last viewed: 13 hours ago
■Summary The MP150 is a primary-side regulator that provides precise constant voltage (CV) regulation without optocouplers and is compatible with b...
Isahaya Electronics Co., Ltd.
550+ people viewing
Last viewed: 1 day ago
VLA312H-1525A is a 25W output DC-DC converter with isolated input and output. It can directly input voltages from DC400V to 1,000V, making it ideal...
Nisshinbo Micro Devices Inc.
1070+ people viewing
■Summary R1525 is a low consumption voltage regulator that can input up to 42V and output 200mA. It has excellent resistance to external RF noise, ...
Monolithic Power Systems, Inc.
290+ people viewing
■Summary MPQ4487A integrates a monolithic step-down switch mode converter with two USB current limit switches and a Type-C 5V@3A mode configuration...
Monolithic Power Systems, Inc.
290+ people viewing
■Summary The MP175 is a primary-side regulator that provides precise constant voltage (CV) regulation without an optocoupler. The MP175 supports bu...
Nisshinbo Micro Devices Inc.
910+ people viewing
■Summary R5117 is a system power supply that integrates a battery voltage monitoring voltage detector with an input voltage of 3.5V to 42V, a sense...
Monolithic Power Systems, Inc.
190+ people viewing
Last viewed: 1 day ago
■Summary The MPQ4485 integrates a monolithic step-down switch-mode converter with two USB current-limiting switches and a charging port identificat...
Monolithic Power Systems, Inc.
360+ people viewing
Last viewed: 1 day ago
■Summary The MP174A is a primary-side regulator that provides accurate constant voltage (CV) regulation without an optocoupler. Supports buck, buck...
Isahaya Electronics Co., Ltd.
560+ people viewing
VLA203-203R is a non-isolated DC-DC converter with a wide input voltage range. A 20.5V±5%, 150mA power supply can be obtained from a wide input vol...
Monolithic Power Systems, Inc.
360+ people viewing
■Summary The MP175L is a primary-side regulator that provides accurate constant voltage (CV) regulation without an optocoupler. MP175L supports buc...
Monolithic Power Systems, Inc.
270+ people viewing
Last viewed: 1 day ago
■Summary The MPQ4475-E integrates a monolithic step-down switch-mode converter with a single USB current limit switch and charging port identificat...
Monolithic Power Systems, Inc.
290+ people viewing
Last viewed: 1 day ago
■Summary The MP173A is a primary-side regulator that provides accurate constant voltage (CV) regulation without an optocoupler. Supports buck, boos...
Nichido Kogyo Co., Ltd.
440+ people viewing
■100V power tools can be used even from a 200V power source. Provides stable 100V power supply Indoor type, the input voltage is stepped down from ...
Isahaya Electronics Co., Ltd.
590+ people viewing
VLA203-152R is a non-isolated DC-DC converter with a wide input voltage range. A 15.0V±5%, 150mA power supply can be obtained from a wide input vol...
Nisshinbo Micro Devices Inc.
900+ people viewing
■Summary The R1526 series is a 300 mA voltage regulator with a maximum input of 42 V. It has excellent resistance to external electromagnetic noise...
Monolithic Power Systems, Inc.
400+ people viewing
Last viewed: 8 hours ago
■Summary The MP163 is a primary-side regulator that provides accurate output, dual output, and constant voltage (CV) regulation without an optocoup...
Monolithic Power Systems, Inc.
220+ people viewing
Last viewed: 10 hours ago
■Summary The MPQ4253A-AEC1 integrates a monolithic step-down switch-mode converter with two USB current-limiting switches and charging port identif...
Monolithic Power Systems, Inc.
250+ people viewing
Last viewed: 1 day ago
■Summary The MP172A is a primary-side regulator that provides accurate constant voltage (CV) regulation without an optocoupler. Supports buck, boos...
Isahaya Electronics Co., Ltd.
560+ people viewing
Last viewed: 1 day ago
VLA203-121R is a non-isolated DCDC converter with a wide input voltage range. You can get 12V/150mA power without a transformer by simply installin...
Nisshinbo Micro Devices Inc.
900+ people viewing
■Summary R5116 is a system power supply that combines a 500mA voltage regulator with an input voltage of 3.5V to 42V and a window voltage detector ...
Monolithic Power Systems, Inc.
250+ people viewing
Last viewed: 1 day ago
■Summary The MPQ4276A-AEC1 also integrates a Type-C 5V@3A mode configuration channel for each port, as well as a monolithic step-down switch-mode c...
Monolithic Power Systems, Inc.
350+ people viewing
Last viewed: 7 hours ago
■Summary The MP171A is a primary-side regulator that provides accurate constant voltage (CV) regulation without an optocoupler. Supports buck, boos...
Monolithic Power Systems, Inc.
410+ people viewing
■Summary The MP103 provides a simple, low-cost AC/DC solution for sub-1W applications. This is an offline linear regulator that generates almost no...
