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reference designBQ25758 | Demoboard BQ25758EVM

Texas Instruments BQ25758 | Demoboard BQ25758EVM

BQ25758 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller

Overview

TopologyBuck-Boost Converter
Input voltage4.2-55 V
Switching frequency200-600 kHz
Output 155 V / 10 A
IC revisionC

Description

The BQ25758EVM evaluation module (EVM) is a complete evaluation system for the BQ25758 IC, a buck-boost controller with a wide input range of 4.2V to 60V, a wide output voltage range of up to 60V, and bi-directional capabilities. The BQ25758EVM has a max input and output of 55V and a max output current of 10A.

Features

Wide input voltage operating range: 4.2V to 55VWide output operating range: up to 55VSynchronous buck-boost DC/DC controller with NFET drivers– Adjustable switching frequency from 200kHz to 600kHz

 – Optional synchronization to external clock – Optional gate driver supply input for optimized efficiency

I 2C-controlled for optimal system performance with resistor-programmable optionPower up from battery (reverse mode) output 4V to 55VHigh safety integration– Adjustable input overvoltage and undervoltage protection

 – Output overvoltage and overcurrent protection

Typical applications

  • USB-PD EPR (Extended Power Range)
  • Robotic lawn mower, Cordless power tool, Garden tool, Cordless vacuum cleaner, Vacuum robot
  • Kick eScooter, eBike
  • Solar charger
  • Portable power station

More information

Products

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λDom typ.(nm)
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λPeak typ.(nm)
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150060VS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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