BD8316GWL
Step-up and inverted 2-channel DC/DC converter with Built-in Power MOSFET

The BD8316GWL is step-up and inverted 2-channel switching regulator with integrated internal high-side MOSFET. With wide input range from 2.5~5.5V ,it suitable for application of portable item. In addition, The small package design is ideal for miniaturizing the power supply.

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Product Detail

 
Part Number | BD8316GWL-E2
Status | Recommended
Package | UCSP50L1
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

ch

2

Integrated FET / Controller

Integrated FET

Topology

Boost / Inverting

Synchronous / Nonsynchronous

Non-synchronous

Vin1(Min.)[V]

2.5

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

2.5

Vout1(Max.)[V]

18.0

Iout1(Max.)[A]

1.0

SW frequency(Max.)[MHz]

1.76

Operating Temperature (Min.)[°C]

-35

Operating Temperature (Max.)[°C]

85

Features:

・ Wide input voltage range of 2.5V to 5.5 V
・ High frequency operation 1.6MHz
・ Incorporates Nch FET of 230mΩ/22V and Pch Pow FET of 230mΩ/15V
・ Incorporates Soft Start (4.2msec(typ))and hight side switch of boost channel
・ Independent ON/OFF signal(STB). Built-in discharge SW for step up channel
・ Small package UCSP50L1( 1.8mm×1.5mm, 4× 3 grid, 11pin, WLCSP)
・ Circuits protection OCP,SCP,UVLO,TSD

Evaluation
Board

 
    • Evaluation Board
    • BD8316GWL-EVK-001
    • The BD8316GWL converter is a power supply solution designed for portable devices. It can operate with a wide input voltage range of 2.5V~5.5V and has a 1μA standby current. It is possible to enable and disable each channel. Users can select which channel to output to, by changing the STB1 and STB2 pins to High or Low. The small package design is suitable for miniaturizing the power supply.

  • User's Guide Purchase Inquiry

Design Resources

 

Documents

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs

User's Guide

  • BD8316GWL-EVK-001 User’s Guide

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
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • Phase Compensation Design for Current Mode Buck Converter
  • Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
  • Usage of SPICE Macromodel for DC/DC
  • Calculation of Power Loss (Synchronous)
  • 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

Packaging & Quality

Package Information

  • Package Information

Manufacturing Data

  • Factory Information

Environmental Data

  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)