Using a combination of Hall-effect and inductive coil signal paths to sense current over a wide frequency range, Allegro MicroSystems has developed a pair of new sensor ICs that deliver high isolation in a small footprint and boast exceptional power density. They provide design engineers in automotive, industrial and consumer applications with attractive capabilities for low internal conductor resistance, high operating bandwidth and reliably performance.
“We’re excited to introduce our latest current sensor ICs, as Allegro continues to push the boundaries of sensor IC technology,” said Ram Sathappan, Vice President of Global Marketing and Applications. “Our newest sensors establish new standards for precision and reliability, empowering customers to overcome design and efficiency standards, while also demonstrating how our technology is driving a smarter, more efficient future.”
Featuring a widebody design, the ACS37030MY and ACS37220MZ are both fully integrated sensor ICs that deliver higher isolation in a 40% smaller footprint compared to the existing 16-pin packages on the market, says Sathapppan. They also incorporate lower resistance, which helps to reduce power dissipation.
The ACS37030MY features industry’s fastest response time for protection of wide bandgap GaN devices, says Allegro. It uses a combination of Hall-effect and inductive coil signal paths to sense current over a wide frequency range. The innovative package enables a product which is both 5x faster than existing solutions, yet considerably smaller. It is also available in a narrow-body package for lower isolation requirements.
The ACS37220MZ Hall-effect current sensor features a 150 kHz bandwidth and fault pin. The device is designed for value-line current sensing applications as a successor to the popular ACS724/5 family of products. See www.allegromicro.com.
