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MAX16800

MAX16800

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver

Data Sheet
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Overview

Description

The MAX16800 current regulator operates from a 6.5V to 40V input voltage range and delivers up to a total of 350mA to one or more strings of high-brightness LEDs. The output current of the MAX16800 is adjusted by using an external current-sense resistor in series with the LEDs. An enable input allows wide-range "pulsed" dimming. Wave-shaping circuitry reduces EMI. The differential current-sense input increases noise immunity. The MAX16800 is well suited for applications requiring high-voltage input and is able to withstand automotive load-dump events up to 40V. An on-board pass element minimizes external components while providing ±3.5% output current accuracy. Additional features include a 5V regulated output and short-circuit and thermal protection.

The MAX16800 is available in a thermally enhanced, 5mm x 5mm, 16-pin TQFN package and is specified over the automotive -40°C to +125°C temperature range.

The MAX16835 is a newer and more cost effective product that provides the same performance and is pin-to-pin compatible with the MAX16800.
MAX16800: Simplified Diagram MAX16800: Simplified Diagram Enlarge+

Key Features

  • +6.5V to +40V Operating Range
  • Adjustable Level (35mA to 350mA)
  • ±3.5% Output Current Accuracy
  • Integrated Pass Element with Low-Dropout Voltage (0.5V typ)
  • Output Short-Circuit Protection
  • +5V Regulated Output with 4mA Source Capability
  • Thermal Shutdown
  • Differential LED Current Sense
  • High-Voltage Enable Pin for Dimming Interface
  • Low Shutdown Supply Current (12&µA typ)
  • Low 204mV Current-Sense Reference Reduces Power Losses
  • Wave-Shaped Soft Edges Reduce Radiated EMI During PWM Dimming
  • Available in Small, Thermally Enhanced, 5mm x 5mm, 16-Pin TQFN Package
  • -40°C to +125°C Operating Temperature Range

Applications/Uses

  • Automotive Exterior: Tail Lights and CHMSL
  • Automotive Interior: Map, Courtesy, and Cluster Lighting
  • General Illumination
  • Navigation and Marine Indicators
  • Signage, Gasoline Canopies, Beacons
  • Warning Lights for Emergency Vehicles

Design Resources

Technical Documents

App Note 4561 Linear Brightness Controller for LEDs Has 64 Taps
App Note 3980 Power Supplies for Next-Generation Automotive Lighting
App Note 3640 MAX16800 Test Board
Tutorial 1883 LEDs Are Still Popular (and Improving) after All These Years

Quality and Environmental Data

Product Reliability Reports: MAX16800.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • MAX16800ATE+
  • MAX16800ATE+T
    •

    Quality And Environmental

    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.

    Quality Management System >
    Environmental Management System >

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    Technical Docs

    Events


    Belle Isle 2020
    05/29/2020 - 05/31/2020, Detroit, MI
    2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.

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