Features and Benefits

  • 5.5V to 40V Operating Range
  • Adjustable Constant Output Current (5mA to 100mA and Up to 2A with External BJT)
  • ±5% Output Current Accuracy
  • Open LED Detection
  • Three Independent High-Voltage DIM Inputs
  • Three Integrated Pass Elements with Low Dropout Voltage (0.7V max)
  • Undervoltage Lockout
  • Output Short-Circuit Protection
  • 3.4V Voltage Regulator with 4mA Capability
  • Accurate, Low 203mV Current Sense
  • Overtemperature Shutdown
  • -40°C to +125°C Operating Temperature Range

Product Details

The MAX16823 three-channel LED driver operates from a 5.5V to 40V input voltage range and delivers up to 100mA per channel to one or more strings of high-brightness LEDs (HB LEDs). Each channel's current is programmable using an external current-sense resistor in series with the LEDs. Three DIM inputs allow a wide range of independent pulsed dimming in addition to providing the on and off control of the outputs. Wave-shaping circuitry reduces EMI while providing fast turn-on and turn-off times.

The MAX16823 is well suited for automotive applications requiring a high-voltage input and is able to withstand load-dump events up to 45V. On-board pass elements minimize external components while providing ±5% LED current accuracy. Additional features include an active-high, open-drain LEDGOOD output for open LED detection, a +3.4V (±5%) regulated output with 4mA output current capability, short-circuit and thermal protections.

The MAX16823 is available in thermally enhanced 5mm x 5mm, 16-pin TQFN-EP and 16-pin TSSOP-EP packages and is specified over the -40°C to +125°C automotive temperature range.


  • Architecture and Industrial Lighting
  • Automotive Exterior: Rear Combination Lights (RCLs), CHMSL
  • Automotive Interior: RGB Ambient Lighting, Cluster Lighting, and LCD Backlighting
  • Emergency Vehicle Warning Lights
  • Navigation and Marine Indicators

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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