BQ25690EVM is a prototype evaluation module and is available in limited quantities.
BQ25690EVM
BQ25690 evaluation module
BQ25690EVM
Overview
The BQ2569X/9X-Q1 evaluation module (EVM) is used to evaluate the BQ2569X/9X-Q1 integrated circuit. The BQ2569X/9X-Q1 is an integrated switched-mode buck-boost battery charge management device in HOTROD (QFN) package, intended for charging 1-series to 7-series cell Li chemistry batteries with up to 3.3A charge current. In forward/charge/sink mode, the IC operates from 2.5V to 36V input voltage and withstands up to 45V. The BQ25690 NVDC topology has an external BATFET that provides a regulated minimum system voltage when the battery is low and measures termination current independent of system load current. The default charge voltage and current are set using resistors. The device defaults to forward/charge/sink mode but can be changed to reverse/OTG/source mode. The BQ25690 also allows forward/reverse bypass (pass through) mode using the I2C registers. In addition, the I2C registers can change the switching frequency as well as the voltage and current regulation settings. The BQ25690 has maximum power point tracking (MPPT) feature for use with HiZ power sources like solar panels.
Features
• Screw terminal blocks allow for easy connection to bench power supplies and electronic load or resistive loads as well as simulated or real batteries
• Onboard jumpers with removable shunts facilitate default configuration and simulated operation
• Onboard test points and sense resistors facilitate measurement of high-efficiency and high-accuracy voltage and current regulation
• Connectors for EV2400 or EV2500 communication board for use with BQSTUDIO downloadable software
Battery charger ICs
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Evaluation board
BQ25690EVM — BQ25690 evaluation module
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BQ25690EVM — BQ25690 evaluation module
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | EVM User's guide | BQ25690EVM (BMS083) Evaluation Module User's Guide | PDF | HTML | Sep 30, 2024 |
| Certificate | BQ25690EVM EU Declaration of Conformity(DoC) | Oct 1, 2025 |
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