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BQ25785EVM

BQ25785 evaluation module

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BQ25785EVM

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Overview

The BQ25785 evaluation module (EVM) is a complete high-power high-efficiency battery charger using SMBus controlled NVDC dual phase buck boost charge controller BQ25785. The input voltage range is from 3.5 V to 40 V, with a programmable output of 2–5 cells and a charge current range of 0 A to 16.3 A. This BQ25785EVM allows the users to evaluate the function and performance of the BQ25785 with step-by-step instructions. The BQ25785EVM also serves as a reference design with complete schematic, layout and Bill of Materials (BOM).

Features
  • Supports 3.5V to 40V input source
    • 3.5V to 40V, 0A to 8.2A input operating range and 2–5 cell battery configuration
    • Supports USB 2.0, USB 3.0, USB 3.1 (USB Type-C®) and USB-C PD
    • Supports USB OTG with 3V to 5V adjustable output
    • Supports Fast Role Swap (FRS) feature for USB_PD
  • Narrow VDC (NVDC) power path management
    • Battery supplements the system when the adapter is fully-loaded
  • 600kHz or 800kHz switching frequency for low profile inductor
  • SMBus port for best system performance and status reporting
  • Power and current monitor for CPU throttling
  • Safety
    • Thermal regulation and thermal shutdown
    • Input, system and battery overvoltage protection
    • Input, MOSFET and inductor overcurrent protection
Battery charger ICs
BQ25785 — SMBus 2-cell to 5-cell power path charger with quasi-dual phase and 40V Vin
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Evaluation board

BQ25785EVM — BQ25785 evaluation module

Supported products & hardware
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BQ25785EVM — BQ25785 evaluation module

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Certification

BQ25785EVM-DOC-CERT — BQ25785EVM EU Declaration of Conformity (DoC)

Supported products & hardware

Supported products & hardware

Hardware development
Evaluation board
BQ25785EVM — BQ25785 evaluation module
Download options

BQ25785EVM-DOC-CERT — BQ25785EVM EU Declaration of Conformity (DoC)

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Version: 1.0.0
Release date: Feb 27, 2026
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Hardware development
Evaluation board
BQ25785EVM — BQ25785 evaluation module

Release Information

BQ25785 EU Declaration of Conformity Certification
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Top documentation Type Title Format options Date
* EVM User's guide BQ2578X EVM User guide PDF | HTML Nov 11, 2025

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