Power Management IC for ADAS Applications

BD39031MUF-C is a power management IC with Primary Buck Controller (BUCK1), Dual Secondary Buck Converter (BUCK2/BUCK3), and Secondary Boost Converter (BOOST4). This device contains Reset, Power Good, Watchdog Timer functions, and is suitable for ADAS application such as radar, camera, and LiDAR. In addition, this device contributes to ASIL level improvement of the system by BIST (Built-In Self Test) function and Mutual Monitoring function.

Product Detail

Part Number | BD39031MUF-CE2
Status | Recommended
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Functional Safety:

Category : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.








Output Voltage1 (Min.)[V]


Output Voltage1 (Max.)[V]


Output Voltage2 (Min.)[V]


Output Voltage2 (Max.)[V]


Output Current Capacity 2 [A]


Output Voltage3 (Min.)[V]


Output Voltage3 (Max.)[V]


Output Current Capacity 3 [A]


SW frequency(Max.)[MHz]


Circuit Current(Typ.)[mA]


Operating Temperature (Min.)[°C]


Operating Temperature (Max.)[°C]


Package Size [mm]

6x6 (t=1)

Common Standard

AEC-Q100 (Automotive Grade)

Find Similar


  • AEC-Q100 Qualified (Grade 1)
  • Functional Safety Supportive Automotive Products
  • Primary Buck Controller for 3.3V Fixed
  • Secondary Buck Converter for 1.2V Output Fixed
  • Secondary Buck Converter for Adjustable Output
  • Secondary Boost Converter for 5.0V Output Fixed
  • Enable Input for Each Output
  • Two Power Good Functions
  • Reset Function for BUCK1
  • Adjustable Window Watchdog Timer
  • Spread Spectrum
  • Over Current Protection
  • Over Voltage Protection
  • Short Circuit Protection
  • Thermal Shut Down Protection
  • Thermal Warning Function

Reference Design / Application Evaluation Kit

    • Reference Design - REF66004
    • Power and Interface solution for X9M/X9E of SemiDrive's Infotainment SoC
    • ROHM has developed an optimal power supply/interface reference design for SemiDrive's next-generation cockpit SoC "X9M/X9E". By providing an optimal power supply and interface reference design for the "X9M/X9E", ROHM is helping to reduce the development burden on designers and achieve the performance required by the market. SemiDrive's latest automotive SoC "X9M/X9E", for which the reference design has been developed, will contribute to the enhancement of various in-vehicle applications, including cockpits.

      Click here for inquiries about SemiDrive's next-generation cockpit SoC "X9M/X9E".

      • Scalable PMIC (BD96801Q12) optimized for use with "X9M/X9E"
      • SerDes IC (BU18xMxx) optimized for automotive camera modules
      • SerDes IC (BU18xL82) supporting full HD (1,980 × 1,080 pixels) for automotive displays with multiple screens
      • Interface IC (BU92RTF82) that contributes to functional safety of in-vehicle displays
      • Automotive 2.7V to 5.5V Input, 12A 1ch, Buck DC-DC Converter IC Integrated FET (BD9SA01F80)

      This reference design consists of three boards. Each is shown below.

      • REF66004-EVK-001 (Core Board)
      • REF66004-EVK-002 (SerDes Board)
      • REF66004-EVK-003 (Display Board)

      Related News:
      ROHM Partners with Nanjing SemiDrive Technology Ltd., China’s SoC Manufacturer of Next-Generation Cockpits, to Develop Automotive Solutions


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