Company introduction
about Us
Voltafield Technology Co., Ltd. (Voltafield) provides the world's leading professional magnetic sensor solutions.
Yuneng Electric Development has the advantages of leading and unique MR technology and products, and is committed to developing a new generation of magnetic sensors. Yuneng Electric's product is the world's first component to achieve three-axis anisotropic magnetoresistance (AMR) with a single chip. It has the advantages of high performance, high sensitivity, and low power consumption, and is a good choice for consumer electronics, industry, and the Internet of Things (IoT). ) and automotive markets to provide cost-effective solutions.
With innovative technology, Yuneng Electric has successfully developed many geomagnetic sensors and angle sensors for various applications.
The electronic compass is our first solution and is currently widely used in smartphones, tablets and AIoT devices. Yuneng Electric provides customers with complete solutions and satisfactory services through continuous research and development and improvement of hardware and software.

milestone
2022/10
AF6837 is used in 5G smartphone applications
AF6837L is used in wearable device applications
AF6935 is used in UAV and 9-axis inertial measurement unit applications
Development of industrial sensors, ACM8818 is used in current sensors
AF7835 is used in Internet of Things and Metaverse applications
2019/03
AF6133E (0.8x0.8 mm^2) is launched, using built-in self-calibration (BISC) design
2018/09
Yuneng Electric Technology passed ISO 9001:2015 transfer certification
2017/06
Yuneng Electric Technology launches the world's smallest size (0.8x0.8) three-axis single-chip AMR magnetic sensor
2016/07
Yuneng Electric Technology launches the world's smallest size (1.2x0.8) three-axis single-chip AMR magnetic sensor
2015/11
Yuneng Electric Technology passed ISO 9001:2008 certification
2015/10
Yuneng Electric was selected into the top five of MIG 2015 MEMS & Sensors Technology Showcase in the United States
2014/09
Yuneng Electric launches the world's smallest three-axis single-chip AMR magnetic sensor
2014/09
Yuneng Electric will participate in the 2014 China International Nanotechnology Industry Development Forum and Nanotechnology Achievements Exhibition
2014/06
Yuneng Electric will participate in the MEMS & Chinano exhibition in Suzhou from 2014.9.24-9.26
2013/12
Yuneng Electric has established its second Sales/FAE office in China
2013/12
Yuneng Electric's three-axis single chip IC has been certified by MediaTek as its DRL (Driver Ready List) supplier
2013/09
Obtained AMR three-axis single chip patent
core value
- VTC has unique AMR last monolithic 3-axis important magnetic sensor patented technologies. AMR will be the future for high performance magnetic sensors for AIoT field.
- More than 60 U.S., China, Taiwan, Japan and Europe patents granted.
- Fully self-developed technology, hardware, software applications products. The speed of products scaling development beats or meets the industry's needs.
- In a variety of composite application products, single chip integration has a strong competitive edge in the future development for AIoT applications.
- The world-class Foundry Friendly Volume Production Sensor Solutions is offered to the industry to provide a high level of production of sensor product solutions with High quality, fast cycle time/fast time to market, huge volume and lower cost!
- Trained world-class technical personnel and organizational skills.
- Long-term plans for market applications, product roadmap.
Business philosophy

