1. Products
  2. Power Management
  3. Display Control and Power
  4. LCD/CCD/OLED Bias
  5. MAX16923


Features and Benefits

  • High Integration
    • Complete Display Power Solution from Automotive Battery
    • One High-Voltage 2.1A Buck Converter (5V or 3.3V)
    • One High-Voltage 100mA Low-IQ Linear Regulator (3.3V)
    • One Low-Voltage 1.6A Buck Converter (3.3V, 1.8V, 1.2V, or 1.1V)
    • One Low-Voltage Linear Regulator (3.3V, 1.8V, 1.5V, or 1.0V)
      • MAX16923GTPB: 75mA
      • MAX16923GTPC/MAX16923GTPE: 175mA
      • All other variants: 180mA
    • Power-Good Outputs
  • Integrated Watchdog Timer
  • Robust and Low EMI
    • Programmable Switching Frequency
    • Internal Spread-Spectrum Oscillator
    • Slew-Rate Controlled Switching
    • Thermal Shutdown Protection
  • Compact TQFN20 4mm x 4mm Package

Product Details

The MAX16923 is a 4-channel power-management IC designed to accommodate the main rails used in modern automotive TFT displays. The MAX16923 and the MAX20069 TFT power supply and LED backlight driver combine to provide a two-chip solution to all automotive display power-supply requirements.

The MAX16923 integrates a high-voltage buck converter that transforms battery voltages into a 5V or 3.3V intermediate rail. In addition, a high-voltage, always-on, low-quiescent-current linear regulator supplies power at 3.3V.

The low-voltage section consists of a fully-integrated DC/DC converter and an LDO running off the intermediate rail. Section output power is available in several low-voltage combinations (see the Ordering Information table). In addition, an integrated watchdog timer guards against runaway code.

A single START control pin initiates the start-up sequence, thereby simplifying device control. The MAX16923's external pMOSFET control block allows battery voltage to be switched to a downstream device, such as a backlight boost converter.

The MAX16923 is available in a TQFN package and operates in the -40°C to 105°C temperature range.

Design Solution: PMIC Streamlines Automotive TFT-LCD Display Design ›


  • Central Information Displays
  • Infotainment Displays
  • Instrument Clusters
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA). To request an NDA, click here.

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.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX16923GTPA/V+ Material Declaration Reliability Data Thin Quad Flatpack, No Leads
MAX16923GTPA/V+T Material Declaration Reliability Data Thin Quad Flatpack, No Leads
MAX16923GTPC/V+ Material Declaration Reliability Data Thin Quad Flatpack, No Leads
MAX16923GTPC/V+T Material Declaration Reliability Data Thin Quad Flatpack, No Leads
Wafer Fabrication Data

Sample & Buy

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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.