MAX16832

PRODUCTION

2MHz, High-Brightness LED Drivers with Integrated MOSFET and High-Side Current Sense

High-Voltage, High-Efficiency LED Drivers with Integrated MOSFET Save Space and Cost

Data Sheet (Rev. 7) Product Selection Table
Part Models
6
1ku List Price
Starting From $1.72
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Part Details

  • Cost-Effective Solution for a Wide Range of LED Lighting Applications
    • 6.5V to 65V Input Voltage Range
    • Output Current Up to 1A
    • ±3% LED Current Accuracy
    • Selectable Dimming Options: Linear or PWM
  • Minimal Component Count Saves Cost and Space
    • On-Board 65V, 0.45Ω Power MOSFET
    • Resistor-Programmable Constant LED Current
    • Integrated High-Side Current Sense with 200mV Current-Sense Reference
    • Hysteretic Control: Up to 2MHz Switching Frequency
  • Protection Features and Wide Operating Temperature Range Improves Lighting Fixture Reliability
    • Thermal-Foldback Protection Dims LEDs to Minimize Overheating
    • Thermal-Shutdown Protection
    • Available in a Thermally Enhanced 8-Pin SO Package
    • Operation over -40°C to +125°C Temperature Range
MAX16832
2MHz, High-Brightness LED Drivers with Integrated MOSFET and High-Side Current Sense
MAX16832A, MAX16832C: Typical Application Circuit
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Documentation

Data Sheet 1

Design Note 3

Technical Articles 6

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Software Resources

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Tools & Simulations

SPICE Model 1

Evaluation Kits

MAX16832CEVKIT

Evaluation Kit for the MAX16832C and MAX16832A

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Features and Benefits

  • 6.5V to 65V Wide Supply Voltage Range
  • 666mA HB LED Current
  • Digital PWM Dimming Control
  • Analog Dimming Control
  • Thermal-Foldback and Temperature-Simulation Circuit
  • Demonstrates a Thermally Optimized PCB Layout Design
  • Evaluates MAX16832A (IC Replacement Required)
  • Lead-Free and RoHS Compliant
  • Fully Assembled and Tested

Product Details

The MAX16832C evaluation kit (EV kit) demonstrates the MAX16832C hysteretic current-mode high-brightness LED (HB LED) driver IC. The MAX16832C EV kit is configured as a step-down topology with a constant-current HB LED driver circuit for external HB LEDs. The MAX16832C EV kit operates from a DC supply voltage of 6.5V to 65V and is configured to deliver 666mA of current to user-supplied HB LEDs. The output voltage for the HB LED string can go up to 64V and depends upon the EV kit's input voltage.

The MAX16832C EV kit can be configured for digital pulse-width modulation (PWM) dimming operation using a digital PWM input signal. The EV kit circuit also features a thermal-foldback and temperature-simulation circuit feature. The MAX16832C EV kit is a fully assembled and tested surface-mount board. Additionally, the PCB layout design has been maximized for optimum thermal dissipation. The MAX16832C EV kit can also evaluate a MAX16832A after replacing the IC, which can be ordered from the number listed in the full data sheet.

Warning: Voltages exceeding 42V could exist on the LED+ and LED- output pads.

Applications

  • Architectural, Industrial, and Ambient Lighting
  • Automotive RCL, DRL, and Fog Lights
  • Heads-Up Displays
  • Indicator and Emergency Lighting
  • MR16 and MR111 LED Lights
MAX16832CEVKIT
Evaluation Kit for the MAX16832C and MAX16832A

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