Application of Magtron Leakage Current Sensor in Control Box of Automotive

Magtron, a global leader in magnetoelectric sensing SoC chip solutions, has released a new device “RCMU101SA” smart leakage current sensor based on the “Magtron iFluxgate” series technology solution. It is tailor-made for the car's online control box and is used to satisfy the latest charging piles. International Standard IEC 62752 and UL2231. Electric vehicles need to detect the residual current while charging, thus avoiding the possible hazards and risks associated with the connection of the car battery (DC) to the main power source (AC). This device adopts SoC integration scheme, including global unique Self-Check function, with high linearity in full temperature range, good accuracy, single-supply power supply, simple circuit application, and compatibility with various models of RCMU, etc., its modular design, PCB Plug-in installation allows customers to use it more conveniently and quickly.
In general, the DC component generated during the charging process of the AC charging pile or the control box will affect the quality of the power grid, and the DC leakage will also have an arc risk to the appliance itself. More importantly, both AC and DC leakage will cause a certain degree of injury to the human body. In everyday life, type A RCD is usually used to prevent AC leakage, but DC residual current cannot be identified and disabled. If the user chooses Type B RCD for household use to detect DC leakage, it will cost a lot.
Product size is only 26mm * 23mm * 12mm height of only 23mm smart leakage current sensor RCMU101SA instead of domestic RCD and other traditional solutions, product volume decreased by more than 80%, the cost has decreased by 50%, whether it is online charging box or Wall charging box, but also to meet the single-phase charge leakage current detection or three-phase charge leakage current detection.
If you want to detect a very small 6mA AC and DC leakage, its high precision and intelligent design will play a decisive role. Intelligent leakage current sensor RCMU101SA with its own high linearity and intelligent correction, digital programming to ensure its completion, greatly simplifies the revision process of traditional solutions, while significantly increasing production efficiency and reducing manufacturing costs by 50%, making the program Become one of the most core competitive solutions in the industry.
Intelligent Leakage Current Sensor RCMU101SA Features:
Minimum detection range from DC 6mA to AC 30mA (digitally adjustable)
Integrated Self-check function, safety level integrated automatic over-temperature protection function to meet the high safety requirements of electric vehicles Ultra-small installation volume Leakage current detection range up to 300mA
Type B RCMU with significantly reduced system cost
Fault current detection according to IEC 62752 or 2231 UL
DC ~ 700Hz frequency range
Magnetron Sensing SoC chip manufacturer Magtron released the smart current leakage sensor RCMU101SA in the electric car into the intelligent era, based on its core components to achieve the first intelligent, this product will promote the electric vehicle line The charging box and the charging pile enter the era of intelligent leakage current monitoring, thereby accelerating the advancement of the electric vehicle industry into the era of intelligence.
Magtron is the global leader in All Programamble PGA Sensor and Magnetoelectric Sensing SoCs. It is committed to implementing a new generation of smarter, high power density and differentiated magnetoelectric sensing system solutions. Driven by the trend of industrial IoT and sensor intelligence throughout the industry, Magtron's innovative technologies such as Quadcore, RCMU, iShunt and other innovative technologies make magnetoelectric sensors, especially current sensor applications, highly integrated and easy to use while achieving high levels of performance. Power density, for the first time, enables high-speed sensor software.

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