Micropower LED Driver with Integrated Hall-Effect Switch

21.06. 2017 | News
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Allegro MicroSystems announces the release of a new micropower LED driver IC that features an integrated Hall-effect switch. The APS13568 enables compact, elegant, reliable, and fault-tolerant LED lighting with minimal electrical engineering and low component-count and cost. A single silicon chip integrates: a micropower regulator, a Hall plate, a small-signal amplifier, chopper stabilization, a Schmitt trigger, open drain Hall-Effect switch output, output polarity selection, and an LED driver with soft on/off and short circuit and thermal protection with automatic recovery. The integrated solid-state Hall-effect switch supports silent, sealed, contactless activation and offers a significant upgrade from failure-prone mechanical switches and provides very low standby current (< 50 μA).

The APS13568 features selectable output polarity as well as an open drain output for connecting to additional external circuitry (more info).

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