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Home » NEWEST Products » New by Manufacturer » Fairchild Semiconductor » FAH4840 Haptic Driver - Fairchild Semiconductor
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Fairchild Semiconductor FAH4840 Haptic Driver

Fairchild Semiconductor's FAH4840 Haptic Driver delivers a high-performance motor driver for mobile phones and other hand-held devices. The haptic driver takes a single-ended PWM input signal to control a Linear Resonant Actuator (LRA). The device utilizes an external 10 kHz to 250 kHz PWM signal capable of meeting the wide range of resonant frequencies needed for an LRA haptics applications. The FAH4840 register map is accessible through an I2C serial communication port.

Features
  • Direct Drive of LRA (Linear Resonant Actuator)
  • External PWM Input (10kHz to 250kHz) with Divider
  • Internal Motor Enable / Disable Input
  • Auto Resonant Tracking
  • LDO Provides Stable Haptic Effect with Battery Depletion
  • Low Shutdown Current: 5nA
  • Fast Wake-Up Time
  • Nearly Rail-to-Rail Output Swing
  • Thermal Shutdown, Over-Current Shutdown
  • Register-Based Control by I2C
  • Immersion TouchSense® 3000 Certified
  • Package: 8 Lead MicroPakTM MLP
Applications
  • Portable Devices
  • PMP/MP3 Players
  • Mobile Handsets
  • Media tablets
FAH4840 Block Diagram
Fairchild FAH4840 Block Diagram
  • Fairchild Semiconductor