Reference: RBD-2370
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The BQ25185 charger board is a compact power management solution for single-cell lithium-ion or lithium-polymer batteries. It supports charging from USB Type-C, DC input, or solar panels and includes an onboard 5V boost converter to power 5V electronics directly from a battery.
The BQ25185 charger board is a compact power management solution for single-cell lithium-ion or lithium-polymer batteries. It supports charging from USB Type-C, DC input, or solar panels and includes an onboard 5V boost converter to power 5V electronics directly from a battery.
Single-cell Li-ion / LiPo battery charger
Supports USB, DC, and solar charging sources
Integrated power-path management
Onboard 5V boost converter
Adjustable charging current
Regulated 5V output for external loads
Status indication LEDs
Charging and Power Management
Charger IC: BQ25185
Boost Converter IC: TPS61023
Battery Type: Single-cell Li-ion / LiPo
Recommended Battery Capacity: 500mAh or higher
USB Input: USB Type-C, 5V up to 1A
DC / Solar Input Voltage: 5V to 18V
Default Charge Current: 1A
Optional Charge Current: 500mA (via jumper)
Output
Boost Output Voltage: 5V (regulated)
Maximum Output Current: Up to 1A
Startup Load Requirement: Less than 200mA recommended
Indicators and Control
Charging LED: Orange
Fault LED: Red
Output Indicator LED: Green
Enable Pad: Enables or disables the 5V boost converter
Connectors
Battery Connector: JST PH 2-pin
USB Connector: USB Type-C
Load Output: Terminal block
DC / Solar Input: Edge pads
Battery-powered 5V microcontroller projects
Portable electronics and IoT devices
Solar-powered embedded systems
USB-powered development boards
Remote sensor and data logger applications
Connect a single-cell Li-ion or LiPo battery to the JST PH connector
Supply power via USB Type-C, DC input, or a suitable solar panel
Connect your circuit to the 5V output terminal block
Adjust the charging current using the onboard jumper if required
1 x BQ25185 USB / DC / Solar charger board with 5V boost converter
Designed for single-cell lithium batteries only
5V boost converter may stall if the load exceeds 200mA at startup
Output current is limited to approximately 1A
High DC input voltage may cause heat dissipation
Solar operation is optimized for 5V to 7V panels
The BQ25185 charger board with 5V boost converter provides a complete solution for charging and powering 5V electronics from a single lithium battery. With multiple charging options and integrated power-path management, it is suitable for portable, solar, and embedded power applications.
Specific References
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We'll slide into your inbox when the product is back in stock.
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The BQ25185 charger board is a compact power management solution for single-cell lithium-ion or lithium-polymer batteries. It supports charging from USB Type-C, DC input, or solar panels and includes an onboard 5V boost converter to power 5V electronics directly from a battery.
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