System Status And Status Led Indication - Infineon WLC1150 User Manual

WLC1150 MP-A2 50-W wireless power transmitter
(REF_WLC_TX50W_N1) user guide
Reference board operation
Figure 9 Powering the WLC reference board for Qi Rx/Phone
4.1.3

System Status and Status LED indication

Table 4 describes the status LED indications for various system states.
Table 4 System states and status LED indications
System state
Idle state
Digital ping phase
Power delivery in progress
Power Delivery/charge complete
Foreign object (FO) detected
Fault during power transfer
Abrupt end of power transfer (EPT) initiated by the
receiver
Note: The
REF_WLC_TX50W_N1
bound retry of Qi power contract under extremely noisy ASK modulated signal conditions with a
few phones/receivers. Such behavior does not affect wireless charging performance. See the
REF_WLC_TX50W_N1 reference board's test report for more details about the phone charging
cycle, ASK demodulation, and Qi 1.3.2 compliance test results. Download this report from the
REF_WLC_TX50W_N1
User guide
Status LED indication
No LED indication
Blinks blue
Glows blue
No LED indication
Glows red until FO is removed
Blinks red until the fault is cleared
Blinks red
reference board with factory default firmware may exhibit timeout-
reference board webpage [1].
17 002-36393 Rev. *B
2023-02-06