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reference designBQ500211

Texas Instruments BQ500211

5-V, Qi Compliant Wireless Power Transmitter Manager

Overview

TopologyBuck Converter
Input voltage4.9-5.1 V
Switching frequency112-205 kHz
Output 15.1 V / 1.1 A

Description

The bq500211 is a second generation digital wireless power controller that integrates all functions required to control wireless power transfer to a single WPC compliant receiver. Designed for 5-V systems, the bq500211 the surrounding environment for WPC compliant devices to be powered, safely engages the device, receives packet communication from the powered device and manages the power transfer. To maximize flexibility in wireless power applications, Dynamic Power Limiting (DPL) is featured on the BQ500211 wireless-power transmitter manager. DPL enhances user experience by seamlessly optimizing the usage of power available from limited input supplies. The bq500211 can operate as both a WPC type A5 transmitter with a magnetic positioning guide or as a WPC type A11 transmitter without the magnetic guide. With comprehensive status and fault monitoring, should any abnormal condition develop during power transfer, the bq500211 handles it and provides indicator outputs.

The bq500211 is available in a 48-pin, 7 mm x 7 mm QFN package and operates over a temperature range from –40°C to 110°C.

Features

  • Intelligent Control of Wireless Power Transfer
  • 5-V Operation Conforms to Wireless Power Consortium (WPC) Type A5 and Type A11 Transmitter Specifications
  • Dynamic Power Limiting for USB and Limited Source Operation
  • Digital Demodulation Reduces Components
  • Comprehensive Charge Status Mode and Fault Indication

Typical applications

  • Handheld Devices
  • Mobile and Smart Phones
  • Tabletop Charge Surfaces
  • Cars and Other Vehicles

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
Compliance
Size
L(µH)
IR(A)
RDC max.(mΩ)
fres(MHz)
Q
P(W)
SamplesAvailability & Sample
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760308105
SPECWE-WPCC Wireless Power Transfer Transmitter Coil, Qi - A5, 53 x 53 x 6 mm
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil
ComplianceQi - A5 
Size53 x 53 x 6 mm 
Inductance6.3 µH
Rated Current13 A
DC Resistance25 mΩ
Self Resonant Frequency20 MHz
Q-Factor55 
Power Capability [1]200 W
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760308111
SPECWE-WPCC Wireless Power Transfer Transmitter Coil, Qi - A11; MP-A11, 53 x 53 x 6 mm
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil
ComplianceQi - A11; MP-A11 
Size53 x 53 x 6 mm 
Inductance6.3 µH
Rated Current13 A
DC Resistance25 mΩ
Self Resonant Frequency11 MHz
Q-Factor80 
–
–Check availability
760308101103
SPECWE-WPCC Wireless Power Transfer Transmitter Coil, works with Qi Tx IC's, Ø 30 x 1.9 mm
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil
Complianceworks with Qi Tx IC's 
SizeØ 30 x 1.9 mm 
Inductance6.5 µH
Rated Current3 A
DC Resistance200 mΩ
Self Resonant Frequency20 MHz
Q-Factor35 
Power Capability [1]50 W
–Check availability