Data Sheet Rev. 1
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Overview

Features and Benefits

  • MAX8645Y EV Kit Powers 6 Main and a Flash LED Module
  • 94% Maximum/85% Average Efficiency (PLED/PBATT) Over Li+ Battery Discharge
  • 0.2% Typical LED Current Matching
  • Adaptive 1x/1.5x/2x Mode Switchover
  • Single-Wire Serial Pulse Interface (3% to 100% Brightness) for Main
  • Thermal TA Derating Function
  • Two Internal Low-Noise 200mA LDOs
  • 2.7V to 5.5V Supply Voltage Range
  • Soft-Start, Overvoltage, and Thermal-Shutdown Protection
  • 4mm x 4mm 28-Pin Thin QFN IC Package

Product Details

The MAX8645Y evaluation kit (EV kit) is a fully assembled and tested circuit for evaluating the MAX8645Y white LED 1x/1.5x/2x charge pump with two LDOs. This MAX8645Y EV kit drives 6 white LEDs for backlighting and uses 2 flash LED drivers to drive a flash LED module at a high current. The two 200mA LDOs are also available for evaluation. In addition to the LED driver circuit and LDOs, the EV kit includes one pulse-generator circuit and two momentary pushbutton switches that are used for testing the single-wire serial pulse-dimming and flash features of the MAX8645Y. The MAX8645Y EV kit can also evaluate the MAX8645X. To evaluate the MAX8645X, order a free sample along with this EV kit.

Documentation & Resources

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