ABLIC, a group company of MinebeaMitsumi announced the launch of sales for the S-57W1/W2(*1) series of automotive 2D dual hall effect latch IC.
The S-57W1/W2, is a 2D dual hall effect latch IC that converts mechanical rotational motion into electrical signals. It outputs pulse signals representing changes in relative position from the start of motor operation, making it well suited for incremental encoder applications, where information such as rotation speed and direction is derived from this signal.
Previously, detecting mechanical rotational motion required two ICs, each capable of sensing magnetic flux in only one direction. The S-57W1/W2, however, contains a single chip with built-in Hall elements that detect magnetic flux density in two different directions, enabling detection with just one IC. With one of the industry’s highest magnetic sensitivity of 0.8 mT (typ.) (*2), the IC achieves high-resolution rotational detection.
The product is available in the standard SOT-23-5 package (2.9 × 2.8 × t1.3 mm) and the HSNT-6 package (2025, 1.96 × 2.46 × t0.5 mm), which is the industry’s thinnest (*3) 2D dual hall effect latch IC package, making it well suited for space-constrained applications.
With the rise of vehicle electrification and advances in autonomous driving, the number of motors in automobiles is continuing to rise, and components such as power windows, sunroofs, power sliding doors, and power liftgates now require smooth operation and precise positioning. The S-57W1/W2 detects the rotational speed and direction of motors driving these components with high precision, all on a single chip.
