MAX16833G

High-Voltage HB LED Drivers with Integrated High-Side Current Sense

LED Driver Substantially Reduces Costs of EMI Filter, Load Dump Filter, and Short-Circuit Protection Components

Data Sheet (Rev. 15)
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Part Details

  • Integration Minimizes BOM for High-Brightness LED Driver with a Wide Input Range Saving Space and Cost
    • +5V to +65V Wide Input Voltage Range with a Maximum 65V Boost Output
    • Integrated High-Side pMOS Dimming MOSFET Driver (Allows Single-Wire Connection to LEDs)
    • ICTRL Pin for Analog Dimming
    • Integrated High-Side Current-Sense Amplifier
    • Full-Scale, High-Side, Current-Sense Voltage of 200mV
  • Simple to Optimize for Efficiency, Board Space, and Input Operating Range
    • Boost, SEPIC, and Buck-Boost Single-Channel LED Drivers
    • 2% Accurate 1.64V Reference (MAX16833B/D)
    • Programmable Operating Frequency (100kHz to1MHz) with Synchronization Capability
    • Frequency Dithering for Spread-Spectrum Applications (MAX16833/C/G)
    • Thermally Enhanced 5mm x 4.4mm, 16-Pin TSSOP Package with Exposed Pad
  • Protection Features and Wide Temperature Range Increase System Reliability
    • Short-Circuit, Overvoltage, and Thermal Protection
    • Fault-Indicator Output
    • -40°C to +125°C Operating Temperature Range
MAX16833G
High-Voltage HB LED Drivers with Integrated High-Side Current Sense
MAX16833, MAX16833B: Simplified Operating Circuit
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Documentation

Data Sheet 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Step-Up (Boost) LED Drivers 1
MAX16834
PRODUCTION High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver
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Evaluation Kits

MAX16833EVKIT

Evaluation Kit for the MAX16833

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Features and Benefits

  • Configured for Boost and Buck-Boost
  • Analog Dimming Control
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX16833 evaluation kit (EV kit) provides a proven design to evaluate the MAX16833 high-voltage HB LED driver with integrated high-side current sense. The EV kit is set up for boost and buck-boost configurations and operates from a 5V to 18V DC supply voltage. The EV kit is configured to deliver up to 1A to one string of LEDs. The total voltage of the string can vary from 3V to 36V. The anode of the LED string should be connected to the LED+ terminal. The cathode of the LED string can be connected either to the PGND (boost mode) or LED- (buck-boost mode) terminal. In the case of the boost mode, the input voltage should not exceed the LED string voltage.

The EV kit PCB comes with a MAX16833AUE+ installed, which is the frequency-dithering version. The EV kit also comes with the pin-compatible MAX16833BAUE+, which is the reference-voltage output version.

Applications

  • Automotive Exterior Lighting:
    -High-Beam/Low-Beam/Signal/Position Lights
    -Daytime Running Lights (DRLs)
    -Fog Light and Adaptive Front Light Assemblies
  • Commercial, Industrial, and Architectural
  • Lighting
MAX16833EVKIT
Evaluation Kit for the MAX16833

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