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APS13568

Allegro
Part Number APS13568
Manufacturer Allegro
Description LED Driver
Published Jul 15, 2019
Detailed Description APS13568 LED Driver with Integrated Micropower Hall-Effect Switch FEATURES AND BENEFITS • Micropower (25 μA, typical) ...
Datasheet PDF File APS13568 PDF File

APS13568
APS13568

Overview
APS13568 LED Driver with Integrated Micropower Hall-Effect Switch FEATURES AND BENEFITS • Micropower (25 μA, typical) when LED is off • Linear LED drive up to 150 mA • Omnipolar Hall-effect switch □ Low drift over temperature □ Solid-state reliability □ Insensitive to physical stress • External LED-enable pin for direct on/off control • Hall-effect switch output □ Supports secondary switches and/or LED drivers □ Provides switch state for other functions □ Selectable output polarity • Automotive-grade ruggedness and fault-tolerance □ “K” temperature range qualified per AEC-Q100 □ Reverse-battery and load-dump protection □ Short-circuit protection □ Thermal protection • Internal protection circuits enable 40 V load dump compliance without external protection components APPLICATIONS • Automotive glove boxes and storage • Automotive vanity mirrors • Task lighting • Consumer electronics PACKAGE: 8-Pin SOICN with Exposed Thermal Pad (Suffix LJ) Not to scale DESCRIPTION The APS13568 is an integrated circuit that combines an ultrasensitive, omnipolar, micropower Hall-effect switch with a linear programmable current regulator providing up to 150 mA to drive high brightness LEDs.
The omnipolar Halleffect switch provides contactless control of the regulated LED current, which is set by a single reference resistor.
This highly integrated solution offers high reliability and ease of design compared to a discrete solution.
The Hall-effect switch operates with either a north or a south magnetic pole.
The switch output polarity can be set with an external pulldown on the POL input pin.
This allows the user to select whether the APS13568 switch output goes low when a magnet is present or when the magnetic field is removed.
Chopper stabilization provides low switch point drift over temperature.
The LED is turned on when the EN input goes low.
This activelow input can be connected directly to the Hall switch output, SO, to turn the LED on when the switch output goes low.
This f...


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