Texas Instruments BQ25820EVM User Manual

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EVM User's Guide: BQ25820EVM
BQ25820 Evaluation Module
Description
The BQ25820EVM evaluation module (EVM) is an
evaluation system for the BQ25820 IC. The BQ25820
IC is a buck battery charge controller with direct
power path control. The BQ25820 has a wide input
range of 4.2V – 70V, a wide output voltage range
of up to 70V, and bi-directional capabilities. The
BQ25820EVM has a max input and output of 55V and
a max charge current of 10A.
Get Started
1. Order the EVM on ti.com
2. Order the EV2400 to communicate with the EVM
using bqStudio, or order the USB2ANY. interface
device to communicate with the EVM using TI
charger online GUI
3. Download the BQ25820 BQZ file
4. Download the BQ25820 EVM design files on
ti.com
SLUUD36A – JULY 2024 – REVISED AUGUST 2024
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Features
• Wide input voltage operating range: 4.2V–55V
• Wide output operating range: up to 55V with
CC/CV support for:
– 1– to 13–Cell Li-Ion
– 1– to 14–Cell LiFePO4
• Synchronous buck DC/DC charge controller with
NFET drivers
– Adjustable switching frequency from 200kHz to
– Optional synchronization to external clock
– Optional gate driver supply input for optimized
• Resistor-programmable standalone with added I2C
mode
• Built in MPPT to maximize power from solar panel
arrays
• Power up from battery (reverse mode) output 4V to
55V
• High safety integration
– Adjustable input overvoltage and undervoltage
– Output overvoltage and overcurrent protection
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600kHz
efficiency
protection
BQ25820 Evaluation Module
Description
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