BQ51221YFPT Part Information

Details for BQ51221YFPT by Texas Instruments

Semiconductors - ICs > Special Function >

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Part Description

The bq51221 device is a fully contained wireless power receiver capable of operating in both the WPC and PMA protocols which allows a wireless power system to work with both WPC and PMA inductive charging standards. The bq51221 device provides a single device power conversion (rectification and regulation) as well as the digital control and communication for both standards. It also has autonomous detection of protocol and requires no additional active devices. The bq51221 device complies with the WPC v1.1 and PMA communication protocol. Together with the WPC or a PMA primaryside controller, the bq51221 device enables a complete wireless power transfer system for a wireless power supply solution. The receiver allows for synchronous rectification, regulation and control and communication to all exist in a market-leading form factor, efficiency, and solution size.

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Part Features

  • I2
  • Patented Transmitter Pad Detect Function Improves User Experience
  • Robust 5-W Solution With 50% Lower Losses for Improved Thermals u2013 Inductorless Receiver for Lowest Height Profile Solution u2013 Adjustable Output Voltage (4.5 to 8 V) for Coil and Thermal Optimization u2013 Fully Synchronous Rectifier With 96% Efficiency u2013 97% Efficient Post Regulator u2013 79% System Efficiency at 5 W
  • WPC v1.1 and PMA Compliant Communication

Part Specifications

Wireless Charging IC Type Receiver
Wireless Power Standard WPC 1.1 Compliant
Power Level 5W
Operating Temperature Range -40°C to 85°C
IC Package Type DSBGA
No. of Pins 42Pins
Product Range -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
IC Function Wireless Power Receiver
Operating Temperature Max 85°C
Operating Temperature Min -40°C
RoHS Phthalates Compliant Yes
Supply Voltage Max 10V
Supply Voltage Min 4V
RoHS Compliant

Alternative Part Descriptions

  • Dual mode 5-W (WPC and PMA) single Chip Wireless power Receiver | Texas Instruments

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