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Li-Pol/Li-Ion/Li-Fe 5V Battery Charging Module bq25185 USB Type-C/DC/Solar Panel - Adafruit 6091
The Adafruit bq25185 is a compact charger for single-cell Li-Ion, Li-Po, and Li-FePO4 batteries . It supports power supply via USB Type-C, DC input, or solar panel from 5V to 18V . It allows you to set the charging current to 250mA, 500mA, or 1A, offers power path management, and a LOAD output limited to 4.5V.
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Product Description: Li-Pol / Li-Ion / Li-Fe 5V bq25185 USB Type-C / DC / Solar Panel Battery Charging Module - Adafruit 6091
The Adafruit Battery Charging Module is an excellent upgrade for the older MCP73831 series. At the heart of the board is the bq25185 chip , which supports single-cell batteries with a nominal voltage of 3.7V (maximum 4.2V) and Li-FePO4 cells with voltages from 3.2V to 3.65V . It allows for powering via the USB Type-C port or via dedicated DC pads supporting input voltages from 5V to 18V . Using a photovoltaic panel , the charger dynamically adjusts current draw, preventing voltage drops. The Power Path system intelligently distributes power between battery charging and direct power to the receiver. Additionally, the built-in regulator protects connected electronics by limiting the output voltage to a maximum of 4.5V. Numerous thermal and current protections, as well as a built-in safety shutdown that operates for 6 hours, enhance safety.
Li-Pol / Li-Ion / Li-Fe 5V bq25185 USB Type-C / DC / Solar Panel Battery Charging Module - Adafruit 6091.
Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
The module allows projects to be powered from various sources, automatically optimizing energy consumption from solar panels.
Main features of the module
- bq25185 controller : a modern charging system from Texas Instruments for single-cell batteries
- Li-Ion, Li-Pol and Li-FePO4 battery support : ability to work with popular cells used in portable electronics
- USB Type-C input : convenient 5V power supply from a computer, power supply or wall charger
- DC or Solar Panel Input : Supports external power supply from 5V to 18V
- Adjustable charging current : can be set to 250 mA, 500 mA or 1 A using jumpers
- Power path management : simultaneous powering of the receiver and charging of the battery
- LOAD output to 4.5V : regulated power output for connected system
- LED indication : LEDs indicating charging, error and power supply
- 10 kΩ thermistor input : allows you to monitor the battery temperature while charging
Battery charging module pins and interfaces
The module is equipped with a USB Type-C connector, a DCIN input for a power supply or solar panel, and two 2mm JST-PH connectors labeled BATT and LOAD. A single-cell Li-Ion, Li-Pol, or Li-FePO4 battery is connected to the BATT connector, while the LOAD connector powers the actual electronics . The board also includes battery voltage and output measurement fields, as well as S1 and S2 status pins, a CE input for controlling the system operation and a TH pad for connecting a 10 kΩ thermistor.
Two independent JST-PH connectors with a pin spacing of 2 mm are used to connect the battery and the energy receiver.
Elements included in the set.
Charger technical specifications
- Charging system: Texas Instruments bq25185
- Supported batteries: Li-Ion / Li-Pol / Li-FePO4 1S
- Li-Ion / Li-Pol battery voltage: 3.7 V nominal, 4.2 V maximum
- Li-FePO4 battery voltage: 3.2 V nominal, 3.65 V maximum
- USB input: USB Type-C, 5V
- DC Input/Solar Panel: 5V to 18V
- Charging current: 250 mA, 500 mA or 1 A
- Maximum input current: 1 A
- Maximum instantaneous LOAD output current: up to 3 A
- LOAD output voltage: maximum 4.5 V
- Connectors: USB Type-C, 2 x JST-PH 2 mm (BATT, LOAD)
- Operation indication: CHRG, FAULT, PWR LEDs
- Thermistor input: 10 kΩ
- Power Path Management: Yes
- Protection: against overvoltage, short circuit, overload, overheating, too low battery voltage and charging process errors
- Charging time limit: 6 hours
- Dimensions: 32 x 26.3 x 7.2 mm
- Weight: 4 g
Contents of the set
- 1x Li-Pol / Li-Ion / Li-Fe 5V bq25185 USB Type-C / DC / Solar Panel Battery Charging Module - Adafruit 6091
Useful links
| Name | Value |
|---|---|
| Width | 7.5 cm |
| Height | 14 cm |
| Depth | 0.1 cm |
| Weight | 0.006 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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