Robust 5-W Solution With 50% Lower Losses
for Improved Thermals
- Inductorless Receiver for Lowest Height
  Profile Solution
- Adjustable Output Voltage (4.5 to 8 V) for Coil
  and Thermal Optimization
- Fully Synchronous Rectifier With 96% Efficiency
- 97% Efficient Post Regulator
- 79% System Efficiency at 5 W
WPC v1.1 Compliant Communication
Patented Transmitter Pad Detect Function Improves User
Experience
Alignment Feature Through I²C Allows for User
Training to Find Best Position on Surface of TX

Robust 5-W Solution With 50% Lower Losses
for Improved Thermals
- Inductorless Receiver for Lowest Height
  Profile Solution
- Adjustable Output Voltage (4.5 to 8 V) for Coil
  and Thermal Optimization
- Fully Synchronous Rectifier With 96% Efficiency
- 97% Efficient Post Regulator
- 79% System Efficiency at 5 W
WPC v1.1 Compliant Communication
Patented Transmitter Pad Detect Function Improves User
Experience
Alignment Feature Through I²C Allows for User
Training to Find Best Position on Surface of TX

The bq5102x device is a fully contained wireless power receiver capable of operating with the WPC v1.1 protocol which allows a wireless power system to deliver up to 5 W to the system when used with a Qi inductive transmitter. The bq5102x device provides a single device power conversion (rectification and regulation) as well as the digital control and communication for WPC specification. With market-leading efficiency and adjustable output voltage, the bq5102x device allows for unparalleled efficiency and system optimization. I²C also allows system designers to implement interesting new features such as aligning a receiver on the transmitter surface, or detecting foreign objects on the receiver. The receiver allows for synchronous rectification, regulation and control and communication to all exist in a market leading form factor, efficiency, and solution size.

For all available packages, see the orderable addendum at the end of the data sheet.

The bq5102x device is a fully contained wireless power receiver capable of operating with the WPC v1.1 protocol which allows a wireless power system to deliver up to 5 W to the system when used with a Qi inductive transmitter. The bq5102x device provides a single device power conversion (rectification and regulation) as well as the digital control and communication for WPC specification. With market-leading efficiency and adjustable output voltage, the bq5102x device allows for unparalleled efficiency and system optimization. I²C also allows system designers to implement interesting new features such as aligning a receiver on the transmitter surface, or detecting foreign objects on the receiver. The receiver allows for synchronous rectification, regulation and control and communication to all exist in a market leading form factor, efficiency, and solution size.

For all available packages, see the orderable addendum at the end of the data sheet.

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	Type	Title	Date
*	Data sheet	bq5102x 5-W (WPC) Single-Chip Wireless Power Receiver datasheet	08 May 2014
	Technical article	When to use rechargeable batteries in small battery applications	01 Oct 2019
	Technical article	Should I use a linear charger or a switching charger?	31 Oct 2015
	Technical article	The challenge of implementing higher-power wireless charging	11 Jun 2015
	Application note	Test and Troubleshoot a Wireless Power Receiver	06 Aug 2014
	Technical article	Summertime and the livin' is easy	20 Jun 2014
	Application note	Layout Guidelines for Wireless Power Receiver (Generation 3	28 Mar 2014