Low-voltage Hall-effect latches enable high-sensitivity sensing
Diodes Incorporated has released a series of automotive-compliant, low-voltage, high-sensitivity Hall-effect latches. Devices in the AH171xQ series are designed for brushless DC (BLDC) motor commutation speed measurement, angular or linear encoders, and position sensors in demanding automotive and industrial applications.
Device options in this series offer a choice of three high-sensitivity BOP and BRP settings (±7Gauss, ±18Gauss, and ±50Gauss) with tight operating windows to provide accurate and reliable switching points. These Hall-effect latches have a fast 30 kHz sensing bandwidth to support higher rotational speed-sensing, while their high levels of protection against electrostatic discharge (ESD), 8kV human body model (HBM), and 2kV charge device model (CDM) ensure robust operation.
These AEC-Q100 Grade 0 qualified latches, which feature a chopper-stabilized architecture and an internal regulator with temperature compensation, have been optimized to operate reliably across the 2.4V to 5.5V supply range and the entire -40 to +150°C temperature range. They are manufactured in IATF 16949 certified facilities and support PPAP documentation.
The AH171xQ series Hall-effect latches are available in SOT23 packages.
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