Features and Benefits

  • USB PD PHY That Is TCPCI-Standard for Use with Any Low-Cost I2C Master (Hub IC, MCU, SoC)
    • Ground Offset Adjusted BMC PHY for Maximum Signal-to-Noise Ratio
  • Non-TCPC Versions Available for Protecting External USB PD Controller (MAX25432A)
  • Integrated Buck-Boost Controller for External H-Bridge
    • 4.5V to 36V Input Operating Range
    • 220kHz, 300kHz, and 400kHz Switching Frequency
    • External Frequency Synchronization and Spread Spectrum for Reduced EMI
  • USB PD PPS APDO Support – TID 5821 
    • 10mV Programmable Voltage Step Size
    • ​25mA Programmable Current Step Size
  • Integrated Cable Compensation up to 516mΩ
  • Highest Performance, Safest, and Lowest Cost Passenger Cable-Shield Short-to-Battery Protection
    • Minimizes Short-Circuit Currents with a Small, Single-FET Solution
  • Integrated High-Side Current-Sense Amplifiers, ADC and DAC
  • Integrated 3.3V to 5.0V, 1.5W, Smart, Reliable VCONN Switches and Protection
    • 50mA Programmable Overcurrent Step Size
  • Integrated 24V DC Protection on Protected HVD+, HVD-, HVCC1, HVCC2 Outputs
  • Integrated Legacy USB 2.0 Charging Support Including BC1.2, Apple CarPlay, OTG, and Apple MFi Rev 3x
  • Integrated ±15kV Air-Gap/±8kV Contact Discharge ISO 10605 and IEC 61000-4-2 ESD Protection
  • -40°C to +125°C Operating Temperature Range
  • 40-Pin, 6mm x 6mm, TQFN Package with EP
  • AEC-Q100 and AEC-Q006 Qualified

Product Details

The MAX25432 combines an automotive-grade buck-boost controller capable of full-range 3.3V to 21V programmable power supply (PPS) at up to 6.35A, a USB Power Delivery (USB PD) analog front-end (AFE), legacy USB charging support, and USB Type-C® protection switches for automotive USB host or downstream-facing (DFP) applications. The USB Type-C protection switches provide automotive system-level ESD protection and 24V short-circuit protection for D+, D-, CC1, CC2, and VCONN. The device can optionally support legacy charging modes for older passenger phones including BC1.2, Apple® Charge, Apple CarPlay®, Apple MFi, and USB On-The-Go (OTG).

The MAX25432B integrates a USB PD AFE, which supports the USB-IF Type-C Port Controller Interface (TCPCI) specification and can interface with any I2C master in the application. The MAX25432A provides configuration channel (CC) signal pass-through protection for an external USB PD controller.

G-suffix devices include intelligent detection and protection to avoid high short-circuit currents flowing from the car battery through the cable shield to ground during fault events, thus preventing car module damage.

The MAX25432 is available in a small, 6mm x 6mm, 40-pin TQFN-EP package and requires very few external components. The MAX25432 evaluation (EV) kit and collateral provide a convenient platform to the design engineer for rapid evaluation with reduced test and firmware development time.


  • Dedicated Charging Modules
  • Head Unit, Radio, Navigation
  • Rear-Seat Entertainment Modules
  • USB Hubs, Breakout Boxes, and Multimedia Hubs

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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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.