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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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STWBC86 Datasheet(PDF) 10 Page - STMicroelectronics |
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STWBC86 Datasheet(HTML) 10 Page - STMicroelectronics |
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10 / 40 page  Figure 4. Full bridge inverter Typical Operating Frequency range of the full-bridge inverter is op = 120 … 148 kHz , duty cycle range 10% to 50%. Primary Coil and Shielding has a self-inductance P = 6.3±10% μH. The value of the series capacitance is P =0.4±5% μF. The input voltage to the full-bridge inverter is 5±5% V. 5.3 ASK communication Robust and reliable in-band ASK communication is critical to the operation of any Qi compliant devices. Using ASK modulation, the receiver sends Control Error Packets (CEP) to tune the operating point to match load requirements. The coil signal is demodulated using a circuit shown below and fed to the VS pin of STWBC86. Figure 5. ASK demodulation filter circuit 10K D 5.1K 220K 4.7nF AC1 VS 22nF 680pF STWBC86 ASK communication DS14079 - Rev 1 page 10/40 |
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