PMP8671

7.5W Automotive SEPIC Reference Design

PMP8671

Design files

Overview

The PMP8671 is a single-ended primary-inductor converter (SEPIC) reference design based on an automotive quality controller IC -  the TPS40210-Q1. It operates over a 4.5-V to 24-V input range and delivers 6.25 V at 1.2-A maximum output current. The switching frequency is set to 400 kHz to provide excellent load and line regulation, while maintaining good phase and gain margin. Designed for automotive applications, this reference design operates with cold cranking down to 3 V.

Features
  • Low-cost SEPIC
  • Excellent load and line regulation
  • Built on a universal board - for reducing EMI, a layout proposal is provided
Output voltage options PMP8671.1
Vin (Min) (V) 4.5
Vin (Max) (V) 24
Vout (Nom) (V) 6.25
Iout (Max) (A) 1.2
Output Power (W) 7.5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Sepic
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBP8.PDF (757 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRLD5.PDF (123 K)

Detailed schematic diagram for design layout and components

TIDRLD6.PDF (98 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRLD8.ZIP (100 K)

Files used for 3D models or 2D drawings of IC components

TIDCC29.ZIP (145 K)

Design file that contains information on physical board layer of design PCB

TIDRLD7.PDF (47 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

TPS40210-Q14.5-V to 52-V wide input range current mode boost controller with 700-mV reference voltage

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP8671 Test Results Apr. 14, 2016

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