Overview
The BQ25606RGET from Texas Instruments is a highly-integrated standalone 1-cell Li-ion and Li-polymer battery charge management and system power path management device. This device is designed for high-efficiency charging and power management in a variety of portable and mobile applications. It features a 1.5-MHz synchronous switch-mode buck charger with high charge efficiency, optimized for USB voltage input, and supports USB On-The-Go (OTG) operation. The BQ25606RGET also includes a boost converter, accurate constant current limit, and comprehensive safety features such as thermal regulation, input overvoltage protection, and battery temperature sensing.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 3.9 | - | 13.5 | V |
| Absolute Maximum Input Voltage | - | - | 22 | V |
| Charge Current Regulation Range | 0 | - | 3000 | mA |
| Charge Voltage Regulation Accuracy | -0.5% | - | 0.5% | % |
| Boost Converter Output Current | - | - | 1.2 | A |
| Operating Junction Temperature | -40 | - | 150 | °C |
| Storage Temperature | -65 | - | 150 | °C |
| Package Type | - | - | 24-pin VQFN | - |
| Package Size | - | - | 4 mm x 4 mm | - |
Key Features
- High-efficiency, 1.5-MHz synchronous switch-mode buck charger with up to 92% charge efficiency at 2-A from 5-V input.
- Supports USB On-The-Go (OTG) operation with a boost converter up to 1.2-A output and 92% boost efficiency at 1-A output.
- Accurate constant current (CC) limit and soft-start up to 500-µF capacitive load.
- Output short circuit protection and input overvoltage protection (OVP).
- Single input to support USB input and high voltage adapters with a wide input voltage range of 3.9-V to 13.5-V.
- Maximum power tracking by input voltage limit up to 4.6 V (VINDPM) and automatic detection of USB SDP, DCP, and non-standard adapters.
- High battery discharge efficiency with 19.5-mΩ battery discharge MOSFET and narrow VDC (NVDC) power path management.
- Instant-on functionality with no battery or deeply discharged battery and ideal diode operation in battery supplement mode.
- High integration includes all MOSFETs, current sensing, and loop compensation.
- Low battery leakage current of 58-µA in system voltage standby.
- Comprehensive safety features including thermal regulation, thermal shutdown, and battery temperature sensing.
Applications
- EPOS (Electronic Point of Sale) systems.
- Portable speakers and audio devices.
- Mobile phone accessories and charging solutions.
- Medical equipment requiring reliable and efficient battery charging.
Q & A
- What is the BQ25606RGET used for?
The BQ25606RGET is used for high-efficiency battery charging and power management in single-cell Li-ion and Li-polymer battery applications.
- What is the input voltage range of the BQ25606RGET?
The input voltage range is from 3.9 V to 13.5 V, with an absolute maximum input voltage of 22 V.
- Does the BQ25606RGET support USB On-The-Go (OTG) operation?
- What is the charge efficiency of the BQ25606RGET?
The charge efficiency is up to 92% at 2-A from a 5-V input.
- What safety features does the BQ25606RGET include?
The device includes thermal regulation, thermal shutdown, input overvoltage protection, and battery temperature sensing.
- What is the package type and size of the BQ25606RGET?
The device is available in a 24-pin VQFN package with a size of 4 mm x 4 mm.
- Does the BQ25606RGET support high voltage adapters?
- How does the BQ25606RGET manage power path?
The device features narrow VDC (NVDC) power path management with instant-on functionality and ideal diode operation in battery supplement mode.
- What is the battery discharge efficiency of the BQ25606RGET?
The device has a high battery discharge efficiency with a 19.5-mΩ battery discharge MOSFET.
- Is the BQ25606RGET compliant with USB standards?
