BD18353MUF-M (Under Development)
1ch High Current LED Controller for Automotive

BD18353EFV-M/MUF-M is a 1ch LED Controller. High side current detection amplifier is built-in. PWM dimming duty can be freely set with built-in PWM generation circuit. PWM dimming realizes by driving an external P-ch MOSFET. Outputs abnormal LED status to the FAULT_B pin. Two systems of analog dimming are built-in. High precision 3.0V output power supply for analog dimming and PWM dimming setting is built-in.

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Product Detail

 
Part Number | BD18353MUF-ME2
Package | VQFN20FV3535
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Common Standard

AEC-Q100 (Automotive Grade)

Topology

Boost

Number of Outputs

1

Vin(Min.)[V]

5.0

Vin(Max.)[V]

65.0

Vout(Max.)[V]

65.0

Frequency(Max.)[MHz]

2.5

LDO

No

Auto Luminous Control

No

Synchronous

No

Integrated FET

No

Dimming

PWM / Analog

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

3.5x3.5 (t=1)

Features:

  • AEC-Q100 Qualified (Grade 1)
  • Rail-to-Rail Current Sense Amplifier
  • PWM Dimming Signal Generator
  • Over Voltage Protection (OVP)
  • Short Circuit Protection (SCP)
  • Analog Dimming (two systems)
  • DRL Mode (100% Duty) Enable
  • Outputs Abnormal LED Status (FAULT_B)
  • Spread Spectrum Frequency Modulation ON/OFF (SSFM_B)
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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
  • ROHM Automotive Lighting Solutions

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

Models

  • BD18353EFV-M / BD18353MUF-M PSPICE Model
  • BD18353EFV-M / BD18353MUF-M Spice Modeling Report

2D/3D/CAD

  • BD18353MUF-M Footprint / Symbol
  • VQFN20FV3535 Footprint / Symbol

Packaging & Quality

Manufacturing Data

  • Factory Information