FAN5646
Overview
The FAN5646 is a flexible and compact solution for a blinking or “breathing” LED indicator. The internal programmable blink algorithm eliminates any need for continual system processor control.
- LED “Soft” Blink: with Logarithmic Fade Up and Fade Down for Power Savings Follow or Repeat Pattern Mode for Blinking when Applications Processor is Powered Down Default Pattern Optionally Modified using TinyWire™ Single-Wire Digital Control for: - LED Current Rise / Fall Time - tON and tOFF for Up to Two Pulses High-Side Constant Current LED Driver: - 20mA Maximum Output Current - 80mV Drop-out at 20mA IOUT - External RSET (SC70 only) or Internal Current Programming 35μA Operating Quiescent Current Short-Circuit, Under-Voltage, and Thermal Protections Wide Input Range: 2.7 to 5.5V 4-Bump WLCSP, 0.4mm pitch or 5-Lead SC70 (EIAJ SC88)