無線充電方案
主要控制晶片簡介 ATC980是專門為 WPC(QI) 規劃所開發的無線充電 IC, 內建有頻率產生器的 IP, 頻率從 00KHz 到 0KHz,STEP 00Hz 以求達到在無線電力傳輸減少不用的耗損, 達到最高的傳輸效率, 目前全球還沒有這樣功能的晶片設計, 具有全球最高的電源傳輸效率, 尤其在 5W 設計上更能顯示出 MHz 頻率輸出 內見解碼 OPA I SEN OPA 多組 BIT A/D OCP 功能 IC 功能 EEPROM 6X8
Complete MCU architecture SIGNAL PROCESSING RAM ROM BUZZER 8-CH LED BIT A/D CPU IC I/O REF. LVR ISEN.OPA FREQ. GEN. 00kHz-0KHz STEP:00Hz Delicate and accurate frequency to meet the specification of qi
無線充電基本方塊 Tx power 電力控制晶片 驅動電路 MOSFET L/C 諧振電路 接收端電路 電流偵測回授電路 Rx data Rx 解碼電路 信號處理電路
基本基本電路電路 R8 JP DCJACK USOT89- VIN VOUT C C C C CS C5 C6 R R VIN C9 A t RT Q MOSFET N R6 R C R9 RSE/0.00 C7 C8 - + U 5 6 R R R5 C0 A C ISEN L LED LED BZ BUZZER R9 U5/SOP8 AN AN5 AN6 AN7 PB0 5 SCL 6 SDA 7 8 VSS 9 PB 0 PB PB PC/PWM PC/PWM PC/PWM0B 5 PC0/PWM0 6 OSC 7 OSC 8 COMM 9 COMM 0 COMM0 PLLCOM AVSS A AN0 5 AN 6 AN 7 AN 8 D DIODE D DIODE U UGATE PHASE 8 BOOT EN 7 PWM 6 LGATE 5 PSET CS PWM Q MOSFET N R R6 C C5 R5 A R R0 TSEN C FOD XT CRYSTAL ISEN PWM FOD VIN FN TSEN PSET R7 FN R C7 R8 R9 C6 R7 C8
驅動電路 R INV Q MOSFET N C PWM U UGATE PHASE 8 BOOT EN 7 PWM 6 LGATE 5 TPS85 V+ C R INV Q MOSFET N PWM UGATE LGATE DEAD TIME
MOSFET Half-bridge circuit Negative half-cycle Positive half-cycle S S Q G Q G MOSFET P D MOSFET P D D D Q G Q G MOSFET N S MOSFET N S
L/C 諧振 S Q G MOSFET P D D Q G MOSFET N S
信號處理電路 C C R R R + - 7 6 U R5 + - 7 6 U C R C 07 R6 07
電流偵測回授電路 C RSE/0.00 C R C0 5 + - U INA999 6 R5 ISEN R C C A C Q L C6 CAP NP Q C5
電力控制晶片 SIGNAL PROCESSING RAM ROM BUZZER 8-CH LED BIT A/D CPU IC I/O REF. LVR ISEN.OPA FREQ. GEN. 00kHz-0KHz STEP:00Hz
系統流程 start standby scan current wake up decode ping phase power control end power
A 應用線路 JP HEADER USB D- D+ C/0/7U C6/0 U9SOT89-/7550 VIN VOUT A TP C/0 VIN R/K R/0K JP/5.0 COIL CS/8/0 D RX/0 C6/0805/0U C7/0 A CS/8/0 A RX/0 R/0K RT/0k t P U/CSD9776 SKIP SW 9 PGDN PWM 8 7 BOOT BTR 6 PVIN 5 PWM C/0 ISEN C/0/7U R/0 IDMO CS/8/0 CS/8/0 U/SCD9776 PWMB SKIP PWM 8 7 BOOT BTR 6 SW PVIN 5 9 PGDN C9/0/7U C5/0 FO R5/0K TP TS R6/K C7/0 C/0805/0U C7/0U RSE/8/0.05 C/0 C9/0 R/.K C8/0 P D C/0805/0U JP/..5 TS IDMO C8/7 C8/7 R8/00K ICOM R8/00K CONVI U5/PI5A IN 6 VCOM COM NO 5 NC ICOM R/0K SIG C7/7 D/SOD/BAVW TP8 R/00K C/0805/7 C8/NC C/0805/7 R/8K R/00K D/IN8 VCOM D/IN8 JP FAN LESS 80mA C5/7 R5/0K TP9 R5/M D R9/K R95/K D D- D+ R98/70 R96/5.K R99/70 R97/5.K SCK PIN6 HSCKPIN9 SDA PIN5 HSDAPIN0 D R55/00K TP0 C5/0 JP5/.5 SDA SCK.5 C5/0805/0U C0/0 R5/0K R56/680K HSCK HSDA PWMB TP6 PWM BZ LED 5 6 7 8 9 0 AX CP CN CX AN0/OCSDA AN/OCSCK VSS DOUT DIS PWM PWM0 BUZZER TLED U/SSOP8 AN 8 7 COM0 FOD 6 VSEN 5 TS ISEN ISEN PLLCOM AVSS 0 A 9 8 OSC 7 OSC PLED 6 RLED 5 SIG FO VIN TS CONVI ISEN A A FAN PEN LED R58/00K R5/0K C/0 R57/K D C55/7 C5/7 C5/0P BZ PEN LED LED FAN R/K R/K R/K R7/0K R8/0K LED LED LED Title <Title> Q NPN Q NPN BZ BUZZER RBZ/7 SWFAST&A07B_QIQC.SCH Size Document Number Rev B <Doc> 07/0/7 MICRO Monday, May, 07 Date: Sheet of
A 應 線路說明 Vin detection L/C resonate JP HEADER USB D- D+ C/0/7U C6/0 U9SOT89-/7550 VIN VOUT A TP C/0 VIN R/K R/0K JP/5.0 COIL CS/8/0 D RX/0 C6/0805/0U C7/0 A CS/8/0 R/0K FO R5/0K A RX/0 RT/0k t TP TS R6/K P C7/0 C/0805/0U U/CSD9776 SKIP PWM 8 7 BOOT BTR 6 SW PVIN 5 PGDN 9 PWM C7/0U C/0 C/0/7U R/0 ISEN IDMO RSE/8/0.05 C/0 C9/0 CS/8/0 CS/8/0 R/.K C8/0 U/SCD9776 SKIP PWM 8 7 BOOT 6 BTR SW PVIN 5 GDN PG 9 PWMB C9/0/7U C5/0 P D C/0805/0U FOD set Temperature sensor drive I sensor V Modulator drive
A 應用線路說明二 Ext NTC I modulator V I SINGAL SW FAN Control JP/..5 TS IDMO C8/7 C8/7 R8/00K R8/00K ICOM CONVI U5/PI5A IN 6 VCOM COM NO 5 NC ICOM R/0K SIG C7/7 D/SOD/BAVW TP8 R/00K C/0805/7 C8/NC R/8K C/0805/7 R/00K D/IN8 VCOM D/IN8 JP FAN LESS 80mA C5/7 R5/0K TP9 R5/M D R9/K R95/K D D- D+ R98/70 R96/5.K R99/70 R97/5.K SCK PIN6 HSCKPIN9 SDA PIN5 HSDAPIN0 D R55/00K TP0 C5/0 JP5/.5 SDA SCK.5 C5/0805/0U C0/0 TP6 R5/0K R56/680K HSCK HSDA PWMB PWM BZ LED 5 6 7 8 9 0 AX CP CN CX AN0/OCSDA AN/OCSCK VSS DOUT DIS PWM PWM0 BUZZER TLED U/SSOP8 AN 8 7 COM0 FOD 6 VSEN 5 TS ISEN ISEN PLLCOM AVSS 0 A 9 8 OSC 7 OSC PLED 6 RLED 5 SIG FO VIN TS CONVI ISEN A A FAN PEN LED R58/00K R5/0K C/0 V I demodulator Qc i/o Frequency out Buzzer & led indicator R57/K D C55/7 C5/7 C5/0P BZ PEN LED LED FAN R/K R/K R/K R7/0K R8/0K LED LED LED Title <Title> Q NPN Q NPN BZ BUZZER RBZ/7 SWFAST&A07B_QIQC.SCH Size Document Number Rev B <Doc> 07/0/7 MICRO Monday, May, 07 Date: Sheet of
方案規格 WPC COIL TYPE Input power IC CODE A5 or A DC /9V OCTA-R/F58 Controlling item Frequency & PWM Frequency range 0KHz -0KHz Frequency accuracy 0.% Resolution 00Hz PING PHASE 75KHz 0.% PWM output Square wave 50% DUTY Way of controlling PID Control circuit Resonant I SEN Resistor 50m (Ohm) Communication TX/FSK RX/ASK Protection scheme Temp. OCV.OCP Charging indicator Dual color led Coupling Efficiency Approximately 90% Receiving efficiency Approximately 86% FOD FOD Function
LED 顯示說明 LED indication 電源顯示 PEN= on always 接收端功能顯示 Charge complete of end power transfer code : RLED 恆亮 End power transfer error code : RLED 亮 50ms, 滅 500ms Receiver power value packet non receiver over sec : RLED 亮 50ms 滅 000ms 發射端功能顯示 Charging : TLED 恆亮 Over current : TLED 亮 50ms 滅 50ms Over temperature : TLED 亮 50ms 滅 500ms Low voltage : TLED 亮 50ms 滅 000ms FOD : TLED 亮 50ms 滅 000ms
FOD 參數設定, 溫度值, 回授電流 電阻 R(FOD 參數設定 ) 金屬異物 ( 大 ) R K 金屬異物 ( 中 ) R.K 正常 R 0K 金屬異物 ( 小 ) R 5K 金屬異物 ( 微小 ) R K 不偵測金屬異物 R 不要焊 溫度 (NTC) 5 度 : 風扇開啟 V=0.87V 5 度 : 風扇停止 V=0.6V 55 度溫度過高 V=.V 5 度恢復工作 V=0.87V 回授偵測電路, 以 0.05 歐姆電阻作為取樣電流, 由於電阻相當小,LAYOUT 時須注意 以免改變到電流偵測值