BD39040MUF-C
System Power Good + Watchdog Timer + Reset for Automotive

BD39040MUF-C is a supervisor IC with quad power good, Watchdog timer and reset. This IC enables existing system to improve its ASIL level easily. The BD39040MUF-C includes built-in self-test (BIST).

8-channel power tree Reference Design
For automotive ADAS and Info-Display

Product Detail

 
Part Number | BD39040MUF-CE2
Status | Recommended
Package | VQFN16FV3030
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | Yes
Functional Safety | FS supportive

Specifications:

Common Standard

AEC-Q100 (Automotive Grade)

Output Types

Open drain

Reset Active State

High

Manual Reset

No

Watchdog Timer

Yes

SENSE Pin

No

Auto Motive

Yes

WDT Active Voltage Range [V]

2.7 to 5.5

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Features:

  • AEC-Q100 Qualified(Grade 1)
  • Quad Power Good for External Inputs
  • Over Voltage Detection (OVD)
  • Under Voltage Detection (UVD)
  • Adjustable Window Watchdog Timer(WDT)
  • Reset for VDD Input (POR)

Evaluation
Board

 
    • Reference Design
    • REFRPT001-EVK-001
    • The REFRPT001-EVK-001 is a board included in power tree solution reference design named as REFRPT001 developed for infotainment devices such as vehicle clusters and center information displays, as well as for ADAS ECUs. The power system that can support functional safety is integrated on a single board, realizing an optimal configuration as a power tree.

  • User's Guide Detail

Design Resources

 

Documents

White Paper

  • ISO 26262: Functional Safety Standard for Modern Road Vehicles
  • 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

  • User's Guide for REFRPT001-EVK-001

Reference Design

  • Application Note for REFRPT001-EVK-001
  • REFRPT001-EVK-001 EMC Test Report

Technical Articles

Schematic Design & Verification

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

Thermal Design

  • Thermal Resistance

Tools

2D/3D/CAD

  • BD39040MUF-C Footprint / Symbol
  • VQFN16FV3030 Footprint / Symbol
  • VQFN16FV3030 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration