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WSH133

Winson Semiconductor
Part Number WSH133
Manufacturer Winson Semiconductor
Description Bipolar Hall Effect Switch IC
Published Apr 18, 2016
Detailed Description WSH133 Bipolar Hall Effect Switch IC with built-in pull high resistor Features: z Operates from 2.4V to 24V supply volta...
Datasheet PDF File WSH133 PDF File

WSH133
WSH133

Overview
WSH133 Bipolar Hall Effect Switch IC with built-in pull high resistor Features: z Operates from 2.
4V to 24V supply voltage z Operates with magnetic fields from DC to 15kHz z On-chip Hall Sensor and 25kΩ pull-high resistor z On-chip temperature compensation circuitry minimizes shifts in on and off points and hysteresis over temperature and supply voltage z Ideal sensor for speed measurement, revolution counting, positioning, DC Brushless motor.
Functional Description : WSH133 is designed to integrate Hall sensor with output driver together on the same chip, it is suitable for speed measurement, revolution counting, positioning.
It includes a temperature compensated voltage regulator, a differential amplifier, a Hysteresis controller and a output driver capable of sinking up to 20mA current load.
An on-chip protection resistor is implemented to prevent reverse power fault.
The temperature-dependent bias increases the supply voltage of the hall plates and adjusts the switching points to the decreasing induction of magnets at higher temperatures.
Subsequently, the output can keep switching on/off on more precise switch point regardless to the ambient temperature.
WSH133 are rated for operation over temperature range from –40˚ C to 125 ˚C and voltage ranges from 2.
4V to 24V.
Pin Descriptions: Name Vdd P/I/O P Gnd O Vout O Pin# 1 2 3 Description Positive Power Supply Ground Output Pin Winson reserves the right to make changes to improve reliability or manufacturability.
©Winson, 2013/5/23 WSH133 Absolute Maximum Rating (at Ta=25˚ C) Supply Voltage Vcc -------------------------- Output breakdown Voltage Magnetic flux density Vout(breakdown) ---------------B -------------------------- Output ON Current (continuous) Ic -------------------------- Operating Temperature Range Ta -------------------------- Storage Temperature Range Ts -------------------------- Package Power Dissipation Pd -------------------------- 26V 26V Unlimited 20 mA (-40˚C to +125˚C) ...


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