Texas Instruments BQ21088EVM User Manual

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EVM User's Guide: BQ21088EVM
BQ21088 Evaluation Module
Description
The BQ21088EVM evaluation module (EVM) to
evaluate the BQ21088 device. The EVM supports
charge currents up to 1A and SYS currents up to
3A. The BQ21088EVM provides an external MR
for device pushbutton functionality evaluation, a TS
potentiometer circuit for TS functionality evaluation,
and a USB2ANY port for I2C interfacing functionality.
The EVM also includes a discrete LDO for digital pull-
up rails with jumpers for configurability.
Get Started
1. Order the BQ21088EVM.
2. Order the USB2ANY.
3. Follow this step-by-step guide.
SLUUD47 – OCTOBER 2024
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Features
• 1A linear battery charger
• I2C configurable battery regulation voltage with
0.5% accuracy
• Configurable termination current down to 0.5mA
• Programmable thermal charging profile with
configurable hot, warm, cool, and cold thresholds
• Power path management for powering the system
and charging the battery
• 30nA shutdown mode for longest shelf life
• One button wake-up and reset input with
adjustable timers
• I2C communication control
Applications
• TWS headset and charging case
• Smart glasses, AR and VR
• Smart watches and other wearable devices
• Retail automation and payment
• Building automation
BQ21088EVM Hardware Board
Copyright © 2024 Texas Instruments Incorporated
Description
BQ21088 Evaluation Module 1