Features and Benefits

  • Wide Input Voltage Range: 4.5V to 28V (40V Load Dump Tolerant)
  • High Integration
    • Complete 2-Channel Solution with Linear Regulators and Diagnostics
    • I2C Control for Minimum Parts Count
  • Complete and Flexible Control
    • Regulator Output Voltage
    • Regulator Current Limit
    • Regulator Overcurrent Level
    • Individual Disable/Enable
  • Detailed Diagnostics
    • Output Current
    • Short-to-Ground/Battery
    • Overtemperature Warning
    • Thermal Shutdown
  • Compact, 4mm x 4mm, 16 TQFN, Optional Side-Wettable Package

Product Details

The MAX20084B is a dual-antenna power supply with an I2C interface for diagnostics and control. The dual 270mA antenna supplies are linear regulators whose output voltage is set individually through I2C. Additionally, internal registers are used to set the current limit, open-load threshold, and other parameters.

An internal 8-bit ADC allows the channel current to be measured. The AOUT analog output can also be used with an external ADC to measure the output current on either channel.

The MAX20084B is available in two variants: the MAX20084BATEA/VY+ with both channels turned off by default after power-up, and the MAX20084BATEB/VY+ with channel 1 turned on by default after power-up.

The MAX20084B is available in a 4mm x 4mm, side-wettable TQFN package and operates over the -40°C to +125°C temperature range.


  • Automotive Camera and Sensor Power
  • Automotive Microphone Power
  • Remote LNA Phantom Power

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 (2)

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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Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.