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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
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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.

PDF | HTML
TIDT391.PDF (1516 K)

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

TIDMCU5.PDF (503 K)

Detailed schematic diagram for design layout and components

TIDMCU6.PDF (159 K)

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

TIDMCU7.PDF (285 K)

Detailed overview of design layout for component placement

TIDMCU9.ZIP (1638 K)

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

TIDCGO5.ZIP (727 K)

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

TIDMCU8.PDF (1420 K)

PCB layer plot file used for generating PCB design layout

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

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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

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