BQ51050BRHLR

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Details for Texas Instruments

BQ51050BRHLR

Qi (WPC) Compliant Highly Integrated Secondary-Side Direct Lithium Ion Charger.
Buy Directly from Texas Instruments (18249 in Stock)
$1.6000 per unit
Series Information for BQ51050BRHLR - Texas Instruments

Features

  • feature
    Available in Small DSGBA and VQFN Packages
  • feature
    Compatible With WPC v1.1 Qi Industry Standard
  • feature
    Power Stage Output Tracks Rectifier and Battery Voltage to Ensure Maximum Efficiency Across the Full Charge Cycle
  • feature
    Robust Architecture u2013 20-V Maximum Input Voltage Tolerance, With Input Overvoltage Protection u2013 Thermal Shutdown and Overcurrent Protection u2013 Temperature Monitoring and Fault Detection
  • feature
    Single-Stage Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger u2013 Combines Wireless Power Receiver, Rectifier, and Battery Charger in a Single, Small Package u2013 4.20-V, 4.35-V, and 4.40-V Output Voltage Options u2013 Supports a Charging Current up to 1.5 A u2013 93% Peak AC-DC Charging Efficiency

Description

WIRELESS POWER RECEIVER VQFN-20
The bq5105x device is a high-efficiency, Qi-compliant wireless power receiver with an integrated Li-Ion/LiPol battery charge controller for portable applications. The bq5105xB devices provide efficient AC-DC power conversion, integrates the digital controller required to comply with Qi v1.1 communication protocol, and provides all necessary control algorithms needed for efficient and safe Li-Ion and LiPol 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 v1.1 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 lowresistance N-MOSFETs (100-mΩ typical Rdson) to ensure high efficiency and low power dissipation.

Specifications

Wireless Charging IC Type:
Receiver
Wireless Power Standard:
WPC 1.2 Compliant
Power Level:
-
Operating Temperature Range:
0°C to 125°C
IC Package Type:
VQFN
No. of Pins:
20Pins
Product Range:
-
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
IC Function:
Battery Charger Wireless Power Receiver
Operating Temperature Max:
125°C
Operating Temperature Min:
0°C
RoHS Phthalates Compliant:
Yes
Supply Voltage Max:
10V
Supply Voltage Min:
4V

Alternate Descriptions

Avnet America

Power Receiver and Battery Charger 20-Pin VQFN EP T/R

Avnet America product

Avnet Europe

Power Receiver and Battery Charger 20-Pin VQFN EP T/R

Avnet Europe product

Texas Instruments

Qi (WPC) Compliant Highly Integrated Secondary-Side Direct Lithium Ion Charger.

Texas Instruments product