2-cell, 2-A boost 2C controlled battery charger for USB input in a WQFN package
Product details
Parameters
Package | Pins | Size
Features
- High-efficiency 2-A, 1.5MHz switch mode boost charger
- 93.4% Charge efficiency at 5V adapter, 7.6-V battery, 1-A charge
- Optimized for USB input and 2-cell Li-Ion battery
- Selectable low power PFM mode for light load operation
- Single input to support USB input adapters
- Supports 3.9 V – 6.2 V input voltage range with 20-V absolute maximum input voltage rating
- Input current limit (500 mA to 3.3 A with 100-mA resolution) to support USB2.0, USB3.0 standard adapters
- Maximum power tracking by input voltage limit up-to 5.5 V
- Integrated USB D+/D- auto-detect USB SDP, CDP, DCP, and non-standard adapters
- Power path management and I2C control
- Highest battery discharge efficiency with 17mΩ battery discharge MOSFET
- Narrow VDC (NVDC) power path management
- Instant-on system on with no battery or deeply discharged battery
- Ideal diode operation in battery supplement mode
- USB on-the-go (OTG) with adjustable output from 4.5V to 5.5V
- Buck converter with up-to 2 A output
- 94% Efficiency at 5 V, 1 A output
- Accurate constant current (CC) regulation and output short protection
- Selectable low power PFM mode for light load operation with out-of-audio option
- Input current optimizer (ICO) to maximize input power without overloading adapters
- Integrated 16-bit ADC for system monitoring (BUS voltage and current, each cell voltage, charge current, SYS voltage, and NTC and die temperature)
- 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 and OTG buck mode
- Thermal regulation and thermal shutdown
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Description
The BQ25883 is a highly-integrated 2-A boost switch-mode battery charge management and system power path management device for 2-cell (2s) Li-Ion and Li-polymer battery. The BQ25883 has I2C control with OTG and power path.
Technical documentation
= Top documentation for this product selected by TI
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | BQ25883 2-Cell, 2-A Boost-Mode Battery Charger With Power Path, USB On-The-Go Boost (OTG) For USB Input datasheet (Rev. A) | Apr. 12, 2019 |
| Technical articles | When to use rechargeable batteries in small battery applications | Oct. 01, 2019 | |
| Technical articles | 4 Reasons why you should use a boost charger for 2-cell battery application | Apr. 03, 2019 | |
| User guides | BQ25883 QFN boost-mode battery charger evaluation module | Feb. 05, 2019 | |
| Technical articles | Should I use a linear charger or a switching charger? | Oct. 30, 2015 | |
| Technical articles | Summertime and the livin' is easy | Jun. 20, 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
BQ25883EVM
Description
Charging 2-cell, 8.4-V battery packs from a legacy 5-V USB port requires a boost charger. The BQ25883 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with dynamic power-path management for 2-s Li-ion and Li-polymer batteries. The I2C serial interface with charging (...)
Features
- Easily evaluate the high-efficiency 2-A, 1.5-MHz integrated field-effect-transistor (FET), switch-mode
- Power Path Management allows Instant-on works with no battery or deeply discharged battery
- Onboard USB input adapter for connecting to USB source and communication using the D+/D- function to set (...)
Description
Charging 2-cell, 8.4-V battery from a legacy 5-V USB port requires a boost charger. The BQ25887 is a highly integrated 2-A boosting, 1.5-MHz switch-mode battery charge management with cell balancing for 2-s Li-ion and Li-polymer battery. The I2C serial interface with charging and cell balancing (...)
Features
- Easily evaluate the high-efficiency 2-A, 1.5-MHz integrated field-effect-transistor (FET), switch-mode
- Cell balancing feature to safely charge two discrete cells in series
- Onboard USB input adapter for connecting to USB source and communication using the PSEL function to set default input current (...)
Description
The EV2400 EVM interface board enables an IBM-compatible or other type PC (with the required driver for its particular platform) to communicate with the Texas Instruments SMBus or I2C interface gas gauges via a Universal Serial Bus (USB) port. In addition to this board, PC software is required to (...)
Features
- Fully powered from the USB port
- Optional 5-V port for powering high power voltage drivers (future upgrade)
- Complete interface between the USB and SMBus, I2C (8/16) interfaces
- Expansion port for future upgrades
Reference designs
PMP40496 — This 5-V USB, 2-cell battery boost charger reference design includes a charger system and a 2-cell battery holder with a gauge that can be connected by a cable or work independently. The key components of the charger system include the BQ25883 boost charger, TUSB320LAI Type-C CC logic, MSP430FR2433 (...)
Design files
-
download PMP40496 Assembly Drawing.pdf (322KB) -
download PMP40496 PCB.pdf (1341KB) -
download PMP40496 Gerber.zip (1242KB) -
download PMP40496 BOM (Rev. A).pdf (102KB) -
download PMP40496 CAD Files (Rev. A).zip (2510KB)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| VQFN (RGE) | 24 | View options |
Ordering & quality
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