Datasheet
Tx Powered
without Rx
Active
Identification &
Configuration & SS,
Received by Tx?
No
Yes
Tx Extended Digital Ping
Power Contract
Established. All
proceeding control is
dictated by the Rx.
VRECT < 7V?
Send control error packet
to increase VRECT
Yes
No
Startup operating point
established. Enable the
Rx output.
EN1/EN2/AD/TS-CTRL
EPT Condition?
Send EPT packet with
reason value
Yes
No
Rx Active
Power Transfer
Stage
bq51050B
bq51051B
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SLUSB42D –JULY 2012–REVISED JANUARY 2014
Figure 18. Wireless Power Startup Flow Diagram
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