BD9P205MUF-C (New)
Nano Pulse Control™, 3.5V to 40V Input, 2A Single 2.2MHz Buck DC/DC Converter For Automotive

BD9P2x5MUF-C Series are current mode synchronous buck DC/DC converter integrating POWER MOSFETs.

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Product Detail

 
Part Number | BD9P205MUF-CE2
Status | Recommended
Package | VQFN20FV4040 (Wettable Flank)
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes
Functional Safety | FS supportive

Specifications:

Grade

Automotive

Common Standard

AEC-Q100 (Automotive Grade)

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

3.5

Vin1(Max.)[V]

40.0

Vout1(Min.)[V]

0.8

Vout1(Max.)[V]

8.5

Iout1(Max.)[A]

2.0

SW frequency(Max.)[MHz]

2.2

Light Load mode

Yes

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Features:

  • Nano Pulse Control™
  • AEC-Q100 Qualified (Grade 1)
  • Minimum ON Pulse 50 ns (Max)
  • Synchronous Buck DC/DC Converter Integrating POWER MOSFETs
  • Soft Start Function
  • Current Mode Control
  • Reset Function
  • Quiescent Current 10 µA (Typ) with 12 V Input to 5.0 V Output
  • Light Load Mode (LLM)
  • Forced Pulse Wide Modulation (PWM) Mode
  • Phase Compensation Included
  • Selectable Spread Spectrum Switching
  • External Synchronization Function
  • Selectable Over Current Protection (OCP)
  • Input Under Voltage Lockout (UVLO) Protection
  • Thermal Shut Down (TSD) Protection
  • Output Over Voltage Protection (OVP)
  • Short Circuit Protection (SCP)

Evaluation
Board

 
    • Evaluation Board
    • BD9P2x5MUF-TSB-001

    • This Evaluation Board was developed for ROHM’s single 2.2MHz buck DC/DC converter BD9P2x5MUF-C. BD9P2x5MUF-C Series are current mode synchronous buck DC/DC converter integrating POWER MOSFETs. The BD9P2x5MUF-C series accepts a power supply input range of 3.5V to 40V and generates a maximum output current of 2A.

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Design Resources

 

Documents

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs
  • For Automotive ADAS/Infotainment application, CISPR25 Class5 compliant 8 rails power tree Reference Design with power rail monitoring for supporting functional safety

User's Guide

  • Evaluation Board User's Guide for BD9P2x5MUF-C series

Technical Articles

Schematic Design & Verification

  • Calculation of Power Dissipation in Switching Circuit
  • Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
  • Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
  • Method for Monitoring Switching Waveform
  • PCB Layout Techniques of Buck Converter
  • Phase Compensation Design for Current Mode Buck Converter
  • Bootstrap Circuit in the Buck Converter
  • Method for Determining Constants of
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
  • Usage of SPICE Macromodel for DC/DC
  • Snubber Circuit for Buck Converter IC
  • Efficiency of Buck Converter
  • Calculation of Power Loss (Synchronous)
  • Inductor Calculation for Buck converter IC
  • Considerations for Power Inductors Used for Buck Converters
  • Capacitor Calculation for Buck converter IC
  • The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
  • Resistor Value Table to set Output Voltage of Buck Converter IC
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Notes for Temperature Measurement Using Thermocouples
  • Two-Resistor Model for Thermal Simulation
  • Notes for Temperature Measurement Using Forward Voltage of PN Junction
  • Thermal Resistance
  • Precautions When Measuring the Rear of the Package with a Thermocouple

Tools

Simulations (Login Required)

  • BD9P205MUF-C / Frequency Response
  • BD9P205MUF-C / Load Response
  • BD9P205MUF-C / Line Response
  • Method for Exporting Circuit Data (ROHM Solution Simulator)
  • Simulation Guide for BD9P205MUF-C / Frequency Response (ROHM Solution Simulator)
  • Simulation Guide for BD9P205MUF-C / Line Response (ROHM Solution Simulator)
  • Simulation Guide for BD9P205MUF-C / Load Response (ROHM Solution Simulator)

Calculation Tools

  • Calculation-sheet for the circuit theoretical formula - BD9Pxx5EFV/MUF-C

Models

  • BD9P2x5MUF-C Series Two-Resistor Thermal Model Report
  • BD9P205MUF-C SPICE Model

2D/3D/CAD

  • BD9P205MUF-C Footprint / Symbol
  • VQFN20FV4040 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information