1 Features

1• 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

2 Applications

• Wireless speaker

• Smart Speaker

• EPOS Printer

• Portable POS

• IP network camera

3 Description

The BQ25886 is a highly-integrated 2-A boost switchmode

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.