PMP41100

27W USB Power Delivery sink-only charger reference design for 4- to 7-cell batteries

PMP41100

Design files

Overview

This compact charger reference design supports 4 to 7 cell, 900mA batteries charger suitable for various applications like power tools and USB Type-C® port input vacuum cleaners. It features the TPS25730D controller for seamless power profile configuration. With the BQ25756E, it achieves 96% peak efficiency through versatile buck-boost operation modes.

Features
  • Supports 4 to 7 cell battery charging with 900mA charger current
  • Simple power profile configuration with resistor string without firmware
  • USB-C compatible with PD3.0 power protocol
  • High integration of power path switch
  • Seamless mode transition to optimize efficiency across a wide input and output range
  • 96% peak efficiency
Download View video with transcript Video

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.

PDF | HTML
TIDT391.PDF (1517 KB)

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

TIDMCU7.PDF (285 KB)

Detailed overview of design layout for component placement

TIDMCU6.PDF (159 KB)

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

TIDMCU9.ZIP (1638 KB)

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

TIDCGO5.ZIP (727 KB)

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

TIDMCU8.PDF (1420 KB)

PCB layer plot file used for generating PCB design layout

TIDMCU5.PDF (504 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ25756EStand-alone or I²C-controlled bidirectional buck-boost charge controller for up to 7S batteries

Data sheet: PDF | HTML
USB Type-C & USB Power Delivery ICs

TPS25730Sink-only USB Type-C® and USB Power Delivery (PD) controller with no firmware development required

Data sheet: PDF | HTML

Technical documentation

star
= Top documentation selected by TI
No results found. Please clear your search and try again.
View all 2
Type Title Date
* Test report 27W Integrated USB Type-C® PD Sink-Only Charger Reference Design for 4- to 7-Cell Batteries PDF | HTML Apr 11, 2024
Technical article Migrating from a barrel jack to USB Type-C PD PDF | HTML Aug 15, 2025

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support.