BQ51051BRHLR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

BQ51051BRHLR
Manufacturer

TI
ChipWorker Part#

CW6938540
Category

Battery Management IC
Package

VQFN-20
Description

Wireless Battery Charger Li-Ion/Li-Pol 1500mA 4.35V 20Pin VQFN T/R
Documentation

Datasheet

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BQ51051BRHLR Specifications

Attribute	Attribute Value

Part Number	BQ51051BRHLR
Manufacturer	TI
ChipWorker Part#	CW6938540
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	VQFN-20
Input Voltage (DC)	4.00V ~ 10.0V
Output Voltage	4.3V ~ 4.37V
Output Current	1500 mA
Supply Current	8 mA
Input Voltage (Max)	10 V
Input Voltage (Min)	4 V
Output Current (Max)	1.5 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	4V ~ 10V
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Size-Height	0.95 mm
Operating Temperature	0℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The bq5105x device is a high-efficiency, Qi-compliant wireless power receiver with an integrated Li-Ion/Li-Pol battery charge controller for portable applications. The bq5105xB devices provide efficient AC-DC power conversion, integrates the digital controller required to comply with Qi v1.2 communication protocol, and provides all necessary control algorithms needed for efficient and safe Li-Ion and Li-Pol battery charging. Together with the bq500212A transmitter-side controller, the bq5105x enables a complete wireless power transfer system for direct battery charger solutions. By using near-field inductive power transfer, the receiver coil embedded in the portable device can pick up the power transmitted by transmitter coil. The AC signal from the receiver coil is then rectified and conditioned to apply power directly to the battery. Global feedback is established from the receiver to the transmitter to stabilize the power transfer process. This feedback is established by using the Qi v1.2 communication protocol.
The bq5105xB devices integrate a low-impedance synchronous rectifier, low-dropout regulator (LDO), digital control, charger controller, and accurate voltage and current loops in a single package. The entire power stage (rectifier and LDO) use low-resistance N-MOSFETs (100-mΩ typical Rdson) to ensure high efficiency and low power dissipation.

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