MAX16814EVKIT

Evaluation Kit for the MAX16814


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Description

The MAX16814 evaluation kit (EV kit) demonstrates the MAX16814 high-brightness LED (HB LED) driver, integrating a step-up DC-DC preregulator followed by 4 channels of linear current sinks. The step-up preregulator switches at 350kHz and operates as a current-mode-controlled regulator capable of providing up to 600mA for the linear circuits. Each of the 4 linear channels can operate up to 40V and provide up to 150mA per channel. The 4 channels are configurable for 100mA or 150mA HB LED output current. The IC is a 20-pin TSSOP package with an exposed pad for enhanced thermal power dissipation.

The EV kit operates from a DC supply voltage of 6.5V up to the HB LED string forward voltage. The EV kit can withstand a 40V load-dump condition. The EV kit also demonstrates the IC features such as adaptive voltage optimization, undervoltage lockout (UVLO), overvoltage protection (OVP), cycle-by-cycle current limit, thermal shutdown, and digital PWM dimming operation using a digital PWM input signal to control the brightness of the HB LEDs. The EV kit also demonstrates a reference IC design for automotive applications.

Key Features

  • Input Voltage from 6.5V Up to HB LED Forward Voltage
  • Demonstrates OVP (33V)
  • HB LED String Output Currents Configurable for 100mA or 150mA
  • Demonstrates UVLO (5V)
  • Demonstrates Open and Short LED Fault Protection and Detection
  • Demonstrates Cycle-by-Cycle Current Limit and Thermal-Shutdown Features
  • Demonstrates Adaptive Voltage Optimization
  • Proven PCB and Thermal Design
  • Fully Assembled and Tested

Applications/Uses

  • Architectural, Industrial, and Ambient Lighting
  • Automotive Displays LED Backlights
  • Automotive RCL, DRL, Front Position, and Fog Lights
  • LCD TV and Desktop Display LED Backlights

Quality and Environmental Data

Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • MAX16814EVKIT Gerber File
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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