Wireless Power Reference Design User Guide Part Number: EVB-WP300TX14 & EVB-WP300RX14 Rev #200304 March 18, 2020 Note! Input voltage set in advance of wireless charging launch end is 24V, the input voltage higher than 37V will damage the circuit board.
Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Display introduce of setting board PAGE 1 - Power-on status display Power-on succeeds Boot V+ 24.24V Power-on voltage display. The voltage needs to be set in the rage and then it will continue to operate. -8 Check the difference between value of coil resonance oscillation frequency and recorded value Complete equation is±0, will display +999~-999 when it has deviation If the difference bigger than set item 25 [Limit]L-C ACC GAP then will be locked and can’t finish the start program ResonantFreq 85.
Supply voltage is too high V+ 25.66V Detected voltage Vin is too HI Input voltage is too high Standard Vin =24.00V Recommending voltage using Part fault MOSFET FAULT Drive element fault U4x 0.00 Fault in P/N U4 , the detected output voltage is 0.00V [12]x Pin12 Judging fault of IC corresponding port U5 Part Number U5 is normal, the detected output voltage is 4.92V 4.92 [13] [14] [15] No fault detected in Pin13, 14, and 15 of IC corresponding port Part fault U4 4.
Part fault U4 4.95 Part Number U4 is normal, the detected output voltage is 4.95V [14]x Judging fault in Pin14 of IC corresponding port U5x Fault in Part Number U5, the detected output voltage is 0.00V 0.00 [12] [13] [15] No fault detected in Pin12, 13, and 15 of corresponding port IC Part fault U4 4.95 The Part Number U4 is normal, the detective output voltage is 4.95V [15]x Judging fault in Pin15 of IC corresponding port U5 Part number U5 is normal, the detected output voltage is 4.
voltage is 4.95V U5 4.95 [12] [13] [14] [15] Part number U5 is normal, the detected output voltage is 4.95V No fault detected in Pin12, 13, 14, and 15 of IC corresponding port The coil and the capacitance is too large, which causes the resonant frequency becomes too low L^C too Large The inductance value of coil and the capacitance are too large 43.3 The measurement of resonant frequency is 43.3 KHz U4 4.91 Part number U4 is normal, the detected output voltage is 4.91V U5 4.
PAGE 2 - Main operation status display Standby surveillance mode +24。C The detected temperature, when there are more than one temperature sensors, they will display the highest temperature value among them and use the highest temperature to judge if to launch the excess temperature protection action LCsacn LC infers to the resonant TANK constituted by the coil and the capacitance, the mode is to scan such resonant frequency and use the gained value to judge if it is necessary to enter into the power
N Already launched the NFC device detection protection function Under the situation that operating temperature changes or foreign matter on the coil when start machine, these will caused NFC detection can’t running normally, and will close the NFC detection functional automatically, mark N not display n If the original N mark changed to be lower-case n, represent the current running temperature different to recorded value, differentiate ability will falling down.
Standby detection mode Find Standby detection mode [RF COIL] Standby detection mode COIL MOVING NFC signal detected NFC signal reactor device is detected on the auxiliary coil, no electricity is conducted before the removal High frequency magnetic car is detected The device of high frequency magnetic card is detected on the auxiliary coil, no electricity transmission is conducted before the removal RX coil is approaching According to the result of resonant frequency scanning, judge that RX coil i
↗ Upwards arrow shows the measurement result of the value compared to the last time is performing the uptrend ↘ Downwards arrow shows the measurement result of the value compared to the last time is performing the downtrend Power transmission launching detection mode (thrust control off) t-off Thrust control off Standby detection mode COIL ERROR RX coil is approaching RX device is approaching, after launching the power transmission detection the RX device has no response, if the result happens again
t88 Thrust control system; thrust decrement 99 is the lowest thrust, it shows the output waveform phase differentiates 90 degrees of U4 and U5 The smaller the number that shows the increase in thrust, the more the output waveform phase difference is approaching to 180 degree.
32.0 means 32.
p49 Thrust application amount 29 Wireless power transmitting ▲ High thrust application amount marking 83 Decoding success rate is 83%, because of the dynamic load or other interference factors, the decoding success rate will decrease Wireless power transmitting T4 Signal intensity 4, because of the dynamic load or other interference factors, the coding signal from RX will have changes between strong and weak, block means the signal is the strongest, the smaller the number shows the worse the signal
Wireless power transmitting Tx No data signal from RX has been received 19/ 200 Under the condition of RX breaking signals, as long as the RX measuring coil position does not move, it will not immediately cut off electric the power transmission and it will enter into timing process, after time’s up, if there is still no signal recovered then it will cut off the electric power. 19/200 means timing to 200 will cut off the electric power, and the current time counting is 19.
Wireless power transmitting +41。C Detected temperature *in this sample, the temperature limitation is 40 degree [OTP] LOCK Due to the over high temperature, it has entered into lock status, and will not conduct the action of electric power transmission Below 38。C to unlock The system design is that it need to be 2 degrees lower than the limited temperature can it be unlocked protection
PAGE 3 - System limit value display Limit value display list Tx Limit Tx indicates the power supply port, the content of this page is the limit value of power supply’s input power 23.91 V The current measured input voltage is 23.91V 9.01 A The current measured input current is 9.01A 215.4 W The input power calculated from the measured voltage and the current is 215.4W V ≥ 23.0 Over low voltage protection limit value, if lower than the value it will launch the UVP V ≤ 25.
OVP launched 25.66 V The current measured input voltage is 25.66 volt OVP←← Over high voltage protection OVP has been launched OPP launching 304.9 V The current measured input power is 304.
PAGE 4 - Input power monitoring display Input power monitoring Pow-IN Monitor input power monitoring display Idle 24.06 V The input power voltage under standby is 24.06V Load 24.05 V The on-load voltage is 24.05V Loss 0.01 V The current measured wire loss amount ▲ 0.00V The voltage change amount in the past 1 second, if excess 1V it will conduct the voltage instability protection @0.15A In the record, the largest occurred current value of voltage decreasing →0.
Input power monitoring @11.56A In the record, the largest power decreasing has occurred under 11.56 ampere →0.23V In the record, the largest occurred voltage decreasing amount is 0.23V Smaller than the 0.
PAGE 5 - Temperature detection display temperature monitoring Temp 。C▼ Temperature monitor message PCB The temperature sensor that installed in PCB, the temperature is 25 degree +25 COIL +23 The temperature sensor that installed in COIL, the temperature is 23 degree Limit<70 The system sets the upper temperature limit is 70 degree, the value can be set in the setting mode ◄ The higher temperature sensor in two temperature sensors select mark The over heating protection is select the higher tem
PAGE 6 - Resonant frequency monitoring Resonant frequency monitoring L^C BOOT 72.6 KHz The first-time measured resonant frequency after powering on for the circuit board of the power supply port New PEAK 67.8 The latest measured resonant frequency, the unit is KHz /4120 The period timer value in the internal IC of the latest measured resonant frequency Hi 69.3 Under the system set wireless power transmission, the highest resonant frequency Lo 66.
PAGE 7 - LED Status LED display status LED < 1s Symbol <, every block that it turn left means the time of 0.
PAGE 9 - Error Code Notice Normal operation NO ERROR No error ; Normally operating Error Occurrence ERROR-1021 Error code 1021 V+ Input too Small The input voltage is too small After Countdown, restart after 3.
Error code list ERRORERROR-1021 Low voltage protection ERROR-1031 Over voltage protection ERROR-1041 Over current protection ERROR-1051 Over power protection ERROR-2040 [15] THDN-1 input abnormal, U4 over high temperature ERROR-2050 [14] THDN-2 input abnormal, U5 over high temperature ERROR-2100 coil voltage is too high ERROR-2110 coil voltage is too low ERROR-2123 [21] and [23] are occurring mismatching ERROR-2410 TX current change amount in a short time is too large ERROR-3100 Invalid
PAGE A - ( Foreign Object Detection) Metal foreign body detection status The detection in the electric power transmission Not in the electric power transmission FOD RX Offline If not in the electric power transmission, and under the RX offline condition, this page will be leave unused with no action taken Electric power transmitting FOD RX Online RX online, in the wireless power transmission, in the metal foreign body analysis METAL RATIO: 0.
Approximate to the differentiate criticality 1 2 3 T ▓ ▓ ▓ 4 +10 Differentiate block number is the observed resonant period frequency after stopping driving, the more times it stops the more accurate the can be differentiation, but it will decrease the power supply quality Gap between the measure value and the critical value Approximate to the differentiate criticality 1 2 3 4 T ▓ ▓ ▓ ▓ If the measured value is lower than the criticality, it will use the longest time of pausing for observing the change
PAGE B - ( Foreign Object Detection) Metal foreign body detection status the detection before the electric power transmission Wireless power transmitting FOD LC SCAN Stop RX online. Wireless power transmitting, stop the method of LC scanning and conduct the metal foreign body detection Before the Wireless power transmission FOD SCAN GO..
possessing metal foreign body →056 -39 If the measurement reading value is lower than the limit value, it will be judged as possessing metal foreign body, and stop electric power transmission 8 The change volume of NFC detect the signal on coil 1160 Up limit of NFC signal numerical value judge higher than this value then will enter into [RF COIL] lock status 1088 The latest one NFC signal detected numerical value 1024 Down limit of NFC signal numerical value judge lower than this value then will en
PAGE C - Paging of start status display Boot Status The start program detect displayed content V+ 24.01V The input voltage which detected by start program RF 74.3 The coil resonance oscillation frequency which detected by start program U4 24.48 Part number U4 is normal, the detected output voltage is 24.48V U5 24.55 Part number U5 is normal, the detected output voltage is 24.
PAGE D - Page of coil calibration .../... The temperature record value in the calibration datum...
PAGE 0 - Operation Counter Timing after starting-up Run: 0d00h01m25s7 The time after starting-up will be eliminated in restart Timing after electric power transmission Rx: 0d00h00m13s9 The time after RX online will be eliminated after leaving the stop of electric power transmission
SET MODE - Set Mode Menu Attention! The set mode has no function of error prevention, wrong settings will lead to the abnormal work of system or cause the damage in hardware After having the uncertain value amendment, please use the set of recover to the original setting to recover it to the optimization status 00 SET MODE set mode #EVB-v57* The corresponding circuit board type of the current software setting WARNING! ADJ Value May Damage Module, Pls Switch to Run~ Warning! Changing the set val
03 [OCP] TX POW I MAX Set the largest input current of power supply port module 04 [OPP] TX POW W MAX Set the largest input power of power supply port module 05 [SET] Standard Vin Displayed on the starting-up page to notice the user about the suggesting use of voltage 06 [Limit] Temp Limit the highest operation temperature
07 [Limit] B3 RXV MAX Limit the largest voltage value behind the rectifier on the power receiving end RX 08 [Limit] B3 RXV MIN Limit the smallest voltage value behind the rectifier on the power receiving end RX 09 [Ratio] CODE B3→RXV The multiplying power switched from the value in the data coding to the voltage on the B3 10 [Ratio] CODE B3→RXV The multiplying power switched from the value in the data coding to the voltage on the B3
11 [TIMER] B3 WAIT OFF After losing the B3 data signal, it still need to maintain the time of continue the wireless power transmission 12 [ADJ] Demod Keen Decoding sensitivity, the smaller the number is the more sensible it is 13 [Limit] OUT PWM HI The highest operation frequency that inputted to the driver 14 [Limit] OUT PWM LOW The lowest operation frequency that inputted to the driver
15 [Limit] LC RES HI Limit the operational highest LC resonant frequency value 16 [Limit] LC RES LOW Limit the operational lowest LC resonant frequency value 17 [Rx ON] LC RES FAR Set the RX launched farthest resonant frequency of coil distance 18 [Rx ON] LC RES NEAR Set the RX launched nearest resonant frequency of coil distance
19 [BOOT ACC] LC RES Set the launched detective coil resonant frequency accuracy value 20 [RX] VD / TXVIN FAR When the coil distance is the farthest, the RX set voltage is the multiplying power of TX input voltage 21 [RX] VD / TXVIN NER When the coil distance is the nearest, the RX set voltage is the multiplying power of TX input voltage 22 [FOD] RX LINK LEVEL Under the RX online, the critical value of the metal foreign body differentiation
23 [FOD] LC SCAN BASIC Under the LC scanning mode, differentiate the basic value of metal foreign body 24 [ADJ]21 ADC → COILv The ADC reading number obtained in the IC port 21 switches to the multiplying power of coil peak-topeak value.
26 [RX]COIL V MAX FAR When the coil distance is the farthest, limit the largest voltage value on the power supply coil 27 [RX]COIL V MAX NEAR When the coil distance is the nearest, limit the largest voltage value on the power supply coil 28 [RX]COIL V MIN FAR When the coil distance is the farthest, limit the smallest voltage value on the power supply coil 29 [RX]COIL V MIN NEAR When the coil distance is the nearest, limits the minimum voltage value on the power supply coil
30 [RX]COIL Dev Basis The offset of coil decided by the current during the process of transport power.
34 [05] BUZZER Buzzer device function switch of IC port Pin05 35 Function - FOD Switch of metal foreign body protection function 36 [Current Sensor] Current detection IC type selection 37 [PID]THRUST CONTROL Thrust control system launching switch
38 [FOD] NFC SCAN NFC detection function switch 39 [BOOT] L-C LOCK Power on testing L-C resonant frequency locking function, it is the protection function that can be operated only if conform to the ACC set value 40 [ROM]SAVE NEW SET Save the set page Push Execution← After pressing it will start counting, execute the action at 10 SR/3002 The current internal set version code 41
[ROM]REPLY FACTORY Reply to factory set value 42 [ROM]LOAD DEFAULT 1 Read the 1st team of default value parameter #WP300*12 This set configuration as special for this model circuit board 43 [ROM]LOAD DEFAULT 2 Read the 2nd team of default value parameter #WP300*24 This set configuration as special for this model circuit board 44 [ROM]LOAD DEFAULT 3 Read the 3rd team of default value parameter
#WP300*36 This set configuration as special for this model circuit board 45 [ROM]LOAD DEFAULT 4 Read the 4th team of default value parameter #[CUSTON] This set configuration is manual model, will close most of the advance functional USB MODE - used for connecting the computer through USB
United States Patent 8,098,043 Induction type power supply device 8,217,621 Frequency modulation type wireless power supply and charger system 8,412,963 Power supplying and data transmitting method for induction type power supply system 8,417,359 Power transmission method of high-power wireless induction power supply system 8,461,802 Wireless driver system 8,519,667 Mobile wireless charger system 8,729,852 Method for identification of a light inductive charger 8,729,854 Slot-type induction charger 8,754,609
