Overview
The Texas Instruments BQ25570RGRR is a highly integrated power management IC designed for efficient energy harvesting from various high output impedance DC sources. This device is particularly suited for applications requiring the extraction of microwatts (µW) to milliwatts (mW) of power from sources such as photovoltaic (solar) panels, thermal electric generators (TEG), and piezo electric generators. The BQ25570 features a highly efficient boosting charger and a nano-power buck converter, making it ideal for systems with stringent power and operational demands, such as wireless sensor networks (WSN).
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 20-lead 3.5-mm x 3.5-mm QFN (RGR) |
| Input Voltage Range | 2.2V to 5.5V |
| Output Current | Up to 110mA |
| Battery Type | Li-Ion, Li-Pol, Supercapacitor |
| Boost Charger Efficiency | Highly efficient |
| Buck Converter | Nano-power, highly efficient |
| Introduction Date | March 11, 2013 |
| Country of Origin | Philippines |
Key Features
- Highly efficient boosting charger for energy harvesting from high output impedance DC sources.
- Integrated nano-power buck converter for providing a second power rail.
- Battery management features to prevent overcharging or depletion of rechargeable batteries.
- Compact 20-lead 3.5-mm x 3.5-mm QFN package.
- Supports a wide range of energy harvesters including solar panels, thermal electric generators, and piezo electric generators.
Applications
- Wireless sensor networks (WSN) with stringent power and operational demands.
- Energy harvesting systems from solar, thermal, or piezo electric sources.
- Low-power IoT devices requiring efficient power management.
- Battery-powered systems needing advanced battery management features.
Q & A
- What is the primary function of the BQ25570RGRR?
The primary function of the BQ25570RGRR is to efficiently extract and manage power from high output impedance DC sources such as solar panels, thermal electric generators, and piezo electric generators.
- What types of batteries does the BQ25570RGRR support?
The BQ25570RGRR supports Li-Ion, Li-Pol, and supercapacitor batteries.
- What is the input voltage range for the BQ25570RGRR?
The input voltage range for the BQ25570RGRR is 2.2V to 5.5V.
- What is the maximum output current of the BQ25570RGRR?
The maximum output current of the BQ25570RGRR is up to 110mA.
- Does the BQ25570RGRR have a built-in buck converter?
Yes, the BQ25570RGRR integrates a highly efficient nano-power buck converter.
- What is the package type of the BQ25570RGRR?
The BQ25570RGRR comes in a 20-lead 3.5-mm x 3.5-mm QFN package.
- What are some typical applications for the BQ25570RGRR?
Typical applications include wireless sensor networks, energy harvesting systems, low-power IoT devices, and battery-powered systems requiring advanced battery management.
- When was the BQ25570RGRR introduced?
The BQ25570RGRR was introduced on March 11, 2013.
- Where is the BQ25570RGRR manufactured?
The BQ25570RGRR is manufactured in the Philippines.
- Does the BQ25570RGRR have battery management features?
Yes, the BQ25570RGRR includes battery management features to prevent overcharging or depletion of rechargeable batteries.
