BD9S110NUX-C
車電用 2.7V~5.5V輸入 1A 1ch 同步整流 降壓DC/DC轉換器

BD9S110NUX-C系列是內建低導通電阻的功率MOSFET的同步整流降壓型DC/DC轉換器。最大可輸出1A的電流。具有2.2MHz高速開關頻率,適用於小型電感。具有基於電流模式控制的高速瞬態回應性能。內建輸出電壓設定為1.2V(BD9S110NUX-C) / 1.8V(BD9S111NUX-C)的回饋電阻和相位補償電路,可以較少的外接元件構建應用。

Product Detail

 
料號 | BD9S110NUX-CE2
狀態 | 推薦品
封裝 | VSON008X2020
單位數量 | 4000
最小包裝數量 | 4000
包裝形式 | Taping
RoHS | Yes

功能安全:

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

規格:

Grade

Automotive

Common Standard

AEC-Q100 (Automotive Grade)

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

2.7

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

1.2

Vout1(Max.)[V]

1.2

Iout1(Max.)[A]

1.0

SW frequency(Max.)[MHz]

2.2

Light Load mode

No

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

功能:

  • AEC-Q100 Qualified(Grade 1)
  • Single Synchronous Buck DC/DC Converter
  • Adjustable Soft Start Function
  • Output Discharge Function
  • Power Good Output
  • Input Under Voltage Lockout Protection (UVLO)
  • Short Circuit Protection (SCP)
  • Output Over Voltage Protection (OVP)
  • Over Current Protection (OCP)
  • Thermal Shutdown Protection (TSD)

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

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

  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • 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

2D/3D/CAD

  • BD9S11xNUX-C Footprint / Symbol
  • VSON008X2020 Footprint / Symbol
  • VSON008X2020 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration