Overview
The TPS63020 Automatic Buck-Boost Module is a high-performance power solution based on the Texas Instruments TPS63020 IC. It is designed for projects where efficiency and size are non-negotiable. While most converters waste energy as heat, this module utilizes a 2.4MHz switching frequency to provide a stable 4.2V output from an input range of 1.8V to 5.5V. This makes it the perfect companion for Single-cell Li-ion (18650) or Li-Po batteries, ensuring your device runs until the battery is completely exhausted.
Key Features
Ultra-High Efficiency: Up to 95% efficiency significantly extends battery life compared to standard regulators.
Seamless Transition: Automatically switches between buck (step-down) and boost (step-up) modes with no output glitch.
High Current Capability: Capable of delivering up to 4A in Buck mode and 2A in Boost mode (at 3.3V/4.2V).
Power Save Mode: Features a selectable “Power Save” mode to maintain high efficiency even at very light loads (perfect for sleep-mode sensors).
Compact & Low Noise: The 2.4MHz frequency allows for tiny inductors and provides a cleaner output for sensitive radio (RF) components.
Technical Specifications
| Feature | Specification |
| Main IC | Texas Instruments TPS63020 |
| Input Voltage | 1.8V to 5.5V DC |
| Output Voltage | 4.2V Fixed (Stable across battery range) |
| Switching Frequency | 2.4 MHz |
| Peak Efficiency | 95% |
| Quiescent Current | < 50 Β΅A |
| Protection | Over-temperature, Over-current, Short-circuit |
Why use TPS63020 instead of cheap modules?
Battery Endurance: If your project runs on a battery, this module can give you 20-30% longer runtime than an XL6009.
RF Sensitivity: If you are using a SIM800L or ESP32, the high-frequency switching of the TPS63020 creates much less interference with your wireless signals.
Tiny Footprint: It is significantly smaller, making it ideal for wearables or compact IoT enclosures.
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