![background image](http://html.mh-extra.com/html/texas-instruments/bq51020evm/bq51020evm_user-manual_1097082013.webp)
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0
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E
ff
ici
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)
Power (mW)
TX-bq500211A
TX-bq500212A
C001
Test Results
Figure 4. Start Up With 500 mA
7.4
Efficiency Data
7.4.1
Efficiency Versus Output Power (AC-DC)
illustrates the system (DC-DC) efficiency of the bq51020EVM-520 under different transmitters.
Figure 5. System Efficiency Versus Output Power
7.5
AD Insertion and Removal
illustrates the behavior of the bq51020EVM-520 when the AD is inserted while the EVM is on the
transmitter pad. There is some off time during the transition between wireless power and wired power
modes.
13
SLUUB03 – April 2014
bq51020EVM (5-W WPC) Integrated Wireless Receiver Power Supply
Copyright © 2014, Texas Instruments Incorporated