LED Drivers
  • SC668
    • 8 LED Light Management Unit Automatic Dropout Prevention , Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC667
    • 7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
  • SC662
    • Backlight Driver for 6 LEDs with SemPulse® Interface
  • SC657
    • Charge Pump LED Driver for 5BL + SemPulse Interface
  • SC653
    • Charge Pump LED Driver for 4BL + 2LDO + SemPulse Interface
  • SC5010H
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC5010
    • High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming
  • SC4541
    • High Frequency LED Driver with Integrated Schottky and Simple Interconnect
Semtech SC614

Semtech SC614

Charge Pump LED Driver for 7BL (or 4BL+306mA Flash) + PWM & I2C Interfaces

The SC614 is a high efficiency charge pump LED driver using Semtech's proprietary mAhXLife™ technology. Performance is optimized for use in Li-ion battery applications.

Features


  • Four independent current sinks for main backlight, adjustable from 0.4mA to 32mA each
  • Dedicated MDIM pin for PWM dimming of main backlight
  • Three independent current sinks for sub-backlight or flash, adjustable from 0.4mA to 102mA each
  • Configurable sub-backlight or flash sinks
  • Dedicated SDIM pin for PWM dimming of subbacklight
  • Dedicated FL pin for flash control
  • Current accuracy to within ±1.5% down to 4.8mA
  • Current matching to within ±0.5% down to 4.8mA
  • Very high efficiency over 90% of battery life
  • Shutdown current 0.1μA (typ)
  • Three charge pump operating modes: 1x, 1.5x, and 2x
  • I2C serial interface
  • Soft-start/in-rush current limiting
  • 1.33MHz and 250kHz programmable fixed frequency options
  • Short-circuit/thermal protection
  • Output open circuit protection
  • MLPQ-24 package (4mm x 4mm), fully WEEE and RoHS compliant

Applications


  • Cellular phone backlighting and flash
  • LCD modules
  • PDA backlighting and flash
  • RGB LED Driver

Packaging

MLPQ-24 (4X4 mm)

Order Codes

  • SC614MLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only