Overview
The BQ25886RGER is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management device developed by Texas Instruments. This component is designed to support 2-cell (2s) Li-Ion and Li-polymer batteries, offering instant power-on capabilities and accurate termination control. It operates as a standalone solution with integrated PowerPath and USB On-The-Go (OTG) boost functionality, making it ideal for various portable and battery-powered applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN-24 |
| Pins | 24 |
| Operating Temperature Range | -40°C to 85°C |
| Input Voltage Range | 4.3 V to 6.2 V (20 V absolute maximum) |
| Input Current Limit | 500 mA to 3.3 A |
| Charge Current Range | 100 mA to 2200 mA |
| Charge Voltage Regulation | ±0.5% |
| Charge Current Regulation | ±5% |
| Input Current Regulation | ±7.5% |
| Battery Discharge MOSFET Resistance | 17 mΩ |
| Switching Frequency | 1.5 MHz |
Key Features
- High-efficiency 2-A, 1.5-MHz switch mode boost charger with 93.4% charge efficiency at 5-V adapter and 7.6-V battery.
- Optimized for USB input and 2-cell Li-Ion battery.
- Single input to support USB input adapters.
- Integrated USB D+/D- auto-detect for USB SDP, CDP, DCP, and non-standard adapters.
- Standalone function with PowerPath management and OTG boost up to 2 A.
- Narrow VDC (NVDC) PowerPath management.
- Instant-on capability with no battery or deeply discharged battery.
- Ideal diode operation in battery supplement mode.
- Adjustable charge voltage (8.2 V, 8.4 V, 8.7 V, and 8.8 V) and charge current (100 mA to 2200 mA).
- Input current optimizer (ICO) to maximize input power without overloading adapters.
- High integration includes all MOSFETs, current sensing, and loop compensation.
- Battery temperature sensing and thermal regulation with thermal shutdown.
Applications
- Wireless speakers
- Smart speakers
- EPOS printers
- Portable POS systems
- IP network cameras
Q & A
- What is the BQ25886RGER used for? The BQ25886RGER is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management device for 2-cell Li-Ion and Li-polymer batteries.
- What is the operating temperature range of the BQ25886RGER? The operating temperature range is -40°C to 85°C.
- What is the input voltage range of the BQ25886RGER? The input voltage range is 4.3 V to 6.2 V with an absolute maximum of 20 V.
- What is the charge current range of the BQ25886RGER? The charge current range is adjustable from 100 mA to 2200 mA.
- Does the BQ25886RGER support USB On-The-Go (OTG) functionality? Yes, it supports OTG boost up to 2 A.
- How does the BQ25886RGER manage input current? It includes an input current optimizer (ICO) to maximize input power without overloading adapters.
- What safety features does the BQ25886RGER have? It includes battery temperature sensing, thermal regulation, and thermal shutdown.
- What is the switching frequency of the BQ25886RGER? The switching frequency is 1.5 MHz.
- Is the BQ25886RGER a standalone solution? Yes, it operates as a standalone solution with integrated PowerPath management.
- What types of batteries does the BQ25886RGER support? It supports 2-cell (2s) Li-Ion and Li-polymer batteries.
- What are some common applications of the BQ25886RGER? Common applications include wireless speakers, smart speakers, EPOS printers, portable POS systems, and IP network cameras.
