Texas Instruments BQ25751EVM User Manual

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EVM User's Guide: BQ25751EVM
BQ25751 Evaluation Module
Description
The BQ25751EVM evaluation module (EVM) is a
complete evaluation system for the BQ25751 IC, a
buck-boost battery charge controller with a wide input
range of 4.4 V - 70 V, a wide output voltage range of
up to 70 V, and bi-directional capabilities.
The BQ25751EVM has a max input and output of 55
V and a max charge current of 10 A.
Get Started
1. Order the EVM on ti.com
2. Order the EV2400 or
with the EVM
3. Download the BQ25751 BQZ file or use the
Charger GUI
4. Download the BQ25751 EVM design files on
ti.com
SLUUD79 – DECEMBER 2024
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Features
• Wide input voltage operating range: 4.4 V–55 V
• Wide output operating range: up to 55 V with
Three-stage (Bulk, Absorb, Float) charging support
for:
– 6V, 12V, 24V, 36V, 48V Lead-Acid batteries
• Synchronous buck-boost DC/DC charge controller
with NFET drivers
– Adjustable switching frequency from 200 kHz to
600 kHz
– Optional synchronization to external clock
– Optional gate driver supply input for optimized
efficiency
• Resistor-programmable standalone with added I2C
Mode
• Built in MPPT to maximize power from solar panel
arrays
• High safety integration
– Adjustable input overvoltage and undervoltage
protection
– Output Overvoltage and overcurrent protection
Description
BQ25751 Evaluation Module 1