Packaging information
| Package | Pins VQFN (RGE) | 24 |
| Operating temperature range (°C) -40 to 85 |
| Package qty | Carrier 250 | SMALL T&R |
Features for the BQ25886
- High-efficiency 2-A, 1.5-MHz switch mode boost
charger
- 93.4% Charge efficiency at 5-V adapter, 7.6-V battery, 1-A charge
- Optimized for USB input and 2-cell Li-Ion battery
- Single input to support USB input
adapters
- Supports 4.3-V to 6.2-V input voltage range with 20-V absolute maximum input voltage rating
- Input current limit (500 mA to 3.3 A) to support USB2.0, USB3.0 standard adapters
- Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
- Standalone function with PowerPath management
- Highest battery discharge efficiency with 17-mΩ battery discharge MOSFET
- Narrow VDC (NVDC) PowerPath management
- Instant-on works with no battery or deeply discharged battery
- Ideal diode operation in battery supplement mode
- Adjustable charge voltage with VSET pin supports 8.2 V, 8.4 V, 8.7 V, and 8.8 V
- Adjustable charge current with ICHGSET pin supports 100 to 2200 mA
- Adjustable input current limit with ILIM pin
- Input current optimizer (ICO) to maximize input power without overloading adapters
- High integration includes all MOSFETs, current sensing and loop compensation
- High accuracy
- ±0.5% Charge voltage regulation
- ±5% Charge current regulation
- ±7.5% Input current regulation
- Safety
- Battery temperature sensing in charge
- Thermal regulation and thermal shutdown
Description for the BQ25886
The BQ25886 is a highly-integrated 2-A boost switch-mode battery charge management and system PowerPath management which enables instant power on and provides accurate termination control device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25886 is a standalone solution with PowerPath and OTG.