Wireless Headphones and Wireless Headphone Systems
A technology for wireless earphones and earphones, which is applied in earpiece/earphone accessories, transportation and packaging, rechargeable batteries/devices, etc. It can solve the problems of increased cost, difficult layout, large area of charging chips, etc., to reduce current consumption and improve procurement difficulty , The effect of reducing the difficulty of design
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Embodiment 1
[0043] like Figure 8 As shown, the above-mentioned wireless earphone further includes: a first diode D1 and a second diode D2. The anode of the first diode D1 is connected to the metal interface POGO PIN through the PWR_LINE interface, the cathode of the first diode D1 is connected to the power supply pin VDD of the control module 40, and the anode of the second diode D2 is connected through the VSYS interface It is connected to the second pole of the P-type metal-oxide-semiconductor field effect transistor Q, and the cathode of the second diode D2 is connected to the power supply pin VDD of the control module 40, wherein the low-power input command is a low-level signal, and the control The module outputs a high-impedance state according to the low-power entry command to control the P-type metal oxide semiconductor field effect transistor to disconnect the power module and the headphone system; the low-power exit command is a high-level signal, and the control module respond...
Embodiment 2
[0051] like Figure 9 As shown, the above-mentioned wireless earphone further includes: a third diode D3, a fourth diode D4, and an N-type metal-oxide-semiconductor field-effect transistor Q1. Among them, the anode of the third diode D3 is connected to the metal interface, and the cathode of the third diode D3 is connected to the power supply pin of the control module; the fourth diode D4, the anode of the fourth diode D4 is connected to the P-type The second pole of the metal oxide semiconductor field effect transistor Q1 is connected, and the cathode of the fourth diode D4 is connected to the power supply pin of the control module; the N-type metal oxide semiconductor field effect transistor Q1, the control module passes the N-type metal oxide The semiconductor field effect transistor Q1 is connected to the control electrode of the N-type metal-oxide-semiconductor field-effect transistor Q1, the control electrode of the N-type metal-oxide-semiconductor field-effect transisto...
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