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User Guide

Non-Isolated Step-Down DCDC Converter for Compact Mobility and General-Purpose Products

2026/08/25 Update

Outline

Since its founding in 1949, Shindengen Electric Manufacturing Co., Ltd. has been cultivating power supply technology. With the evolution of car electronics, the required vehicle load is increasing, while power supplies are required to be more compact and lightweight. To meet these demands, our company adopts low-loss soft switching circuits and high heat dissipation and thermal dispersion technologies. Additionally, by using DSP for full digital control, optimal power supply control and safety design are possible, and communication with higher-level ECUs is also realized.

Feature

A DC/DC converter for the electrification of compact mobility and general-purpose applications such as ATVs, electric three-wheelers, electric two-wheelers, and outboard motors.
By integrating core technologies such as advanced power circuit design and mounting techniques cultivated over many years, Shindengen's converter offers proven automotive-grade reliability.
This DC/DC converter targets the 48V domain and features a compact, self-cooled design to meet the growing demand for space-saving in electric vehicles.
With dust and water resistance equivalent to IP67, it is suitable for outdoor use and adaptable to a wide range of applications.

■500W Output DC-DC Converter 【Under Development】

1. Key Points
Proprietary product targeting the 48V domain, backed by Shindengen's automotive track record
-Currently under development for launch in 2027
-Samples available
-Small-lot orders welcome

2. Features
-High efficiency and high reliability
-Dust and water resistance equivalent to IP67
-Compact design enabled by GaN devices

【Spec】
Input Voltage Range：30～58V (Typ.48V)
Output Voltage Range：13.7～15V (Typ.14.4V)
Output Current：35A (14.4V condition)
Output Power：504W
Cooling type：Air Cooling Passive (no fan required)
サイズ：W105×D135×H52mm *Connectors not included
Weight：0.95kg
IP Class：Water-Proof (IP67)

■174W Output DC-DC Converter 【In Mass Production】

1. Key Points
Proprietary product targeting the 48V domain, backed by Shindengen's automotive track record
-In Mass Production!
-Samples available
-Small-lot orders welcome

2. Features
-High efficiency and high reliability
-Dust and water resistance equivalent to IP67
-With a proven track record in the market　

【Spec】
Input Voltage Range:30～60V (Typ.48V)
Output Voltage Range：8～16V (Typ.14.5V)
Output Current：12A
Output Power：174W
Cooling Type：Air Cooling Passive (no fan required)
Size：W100.2×D98.6×H40mm *Connectors not included
Weight:0.46kg
IP Class: Water-Proof (IP67)

Product URL

https://www.shindengen.com/products/electro/automotive/hev/

Use・Results

Application examples：Compact Mobility and General-Purpose Products
All-Terrain Vehicle (ATV), Electric Tricycle, Electric Motorcycle, Outboard Motor, Lawn Mower, etc.

Other

In addition to the applications introduced above, we also offer converters for other types of small mobility devices.

Low voltage 1kW output Simple water-proof type
Vehicle-Mounted DC/DC Converter mainly for small electric mobility.

【Feature】
1 IP44 Compliant.
It has a certain degree of waterproofing, making it suitable for installation in mobility devices used outdoors.

【Spec】
Input Voltage Range:70～120V
Output Voltage Range：10～15.5V
Output Current：50A
Output Power：775W
Cooling Type：Forced air cooling
Size：W222×D131×H42mm (Connectors and fins are not included)
Weight:1.8kg
Communication:CAN2.0b,500kbps

Company name

SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.

Company URL

https://www.shindengen.com/company/profile/

Company PR

Since our establishment in 1949, Shindengen has been active in the power electronics sector as a rare type of manufacturer bringing together three core technologies: device technology, circuit technology, and packaging technology. We hold our mission as “maximizing energy conversion efficiency for the benefit of humanity and society.” Under this mission, we continue to protect the environment by maximizing environmental-friendliness with our combined core technologies while we respond to our customer needs.