Texas Instruments - Integrated magnetic IC for closed-loop current sensing designs

DRV421 is the industry's first magnetic sensor integrated circuit (IC) with a fully integrated fluxgate sensor and compensation coil driver and all necessary signal conditioning circuits. It has been introduced by Texas Instruments (TI). Compared with traditional Hall-effect-based closed-loop sensors, the DRV421's full integration allows it to provide first-class sensor accuracy and linearity, high dynamic range, and simpler system design. With the DRV421, system designers will be able to more easily develop magnetic closed-loop current sensors for applications such as motor control, renewable energy, battery chargers, and power supply monitoring. The DRV421 evaluation module (DRV421EVM) enables designers to quickly and easily evaluate the characteristics and performance of the new current-sense IC. It can be purchased through TI stores and authorized distributors for $ 49. In addition, Sumita also introduced SC2912, a magnetic module that system designers can place on the top of the DRV421 as a printed circuit board (PCB) component. This allows engineers to design a universal platform solution for a wide range of current levels, while choosing the right magnetic module for their specific use case. Mr. Seiji Shimizu, assistant manager of signal and power solutions for the automotive and industrial business units of SUMIDA, said: "Our DRV421 complementary module's novel and intuitive approach provides customers with a new degree of freedom for closed-loop sensor modules." "Our module technology and TI DRV421 The combination of provides customers with unprecedented accuracy, linearity, dynamic range, sensitivity and ease of use. "The TI E2E community provides support for DRV421, where engineers can search for solutions and get help with other engineers and TI Experts share knowledge and solve problems. The DRV421 is available in a 4mm x 4mm quad flat no-lead (QFN) package. The company said it can now provide pre-production samples. From June 9th to 11th, the sensor exhibition in Long Beach, California, booth 217.