Search

CN-224217844-U - Type-C connector circuit and magnetic Type-C connector

CN224217844UCN 224217844 UCN224217844 UCN 224217844UCN-224217844-U

Abstract

The utility model relates to the technical field of connectors, and discloses a Type-C connector circuit and a magnetic Type-C connector, wherein the circuit comprises a first port and a second port which are connected with an external device; the power supply detection circuit comprises a switch module and an enabling control module, wherein the switch module is connected with the first port and the second port, the PD processor is connected with the power supply detection circuit and used for generating an enabling signal when the second port is connected, the PD processor is connected with a third port of the audio earphone and a fourth port connected with the electronic equipment, the third port is in communication connection with the fourth port, and the enabling control module is used for controlling the switch module to be opened through the enabling signal and enabling the input current of the second port to be input to the third port and the fourth port. The utility model can be applied to the Type-C connector to realize the effect that the device can charge and use the audio earphone.

Inventors

  • YANG ZHIHAO
  • CHEN QING

Assignees

  • 广东得胜电子有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. A Type-C connector circuit, the circuit comprising: The input current of the first port is smaller than that of the second port; The power supply detection circuit comprises a switch module and an enabling control module which are connected, wherein the switch module is simultaneously connected with the first port and the second port; The PD processor is connected with the power supply detection circuit and used for generating an enabling signal when the second port is accessed, the PD processor is connected with a third port of the audio earphone and a fourth port connected with the electronic equipment, and the third port and the fourth port are in communication connection; The enabling control module is used for controlling the switch module to be opened through the enabling signal and enabling the input current of the second port to be input to the third port and the fourth port.
  2. 2. The Type-C connector circuit of claim 1, wherein the enable control module comprises a field effect transistor Q1, a resistor R1, and a resistor R2, wherein a gate of the field effect transistor Q1 is connected to the VBEN terminal of the PD processor, a drain of the field effect transistor Q1 is connected to the VBUSIN terminal of the fourth port, and a source of the field effect transistor Q1 is connected to the resistor R2 and ground, respectively; One end of the resistor R1 is respectively connected with the grid electrode of the field effect tube Q1 and the VBEN end of the PD processor, the other end of the resistor R1 is respectively connected with the source electrode of the field effect tube Q1, the ground wire and the resistor R2, and the other end of the resistor R2 is connected with the C1DT end of the PD processor.
  3. 3. The Type-C connector circuit of claim 2, wherein the switch module comprises a fet Q2, a fet Q3, a fet Q4, a resistor R3, and a resistor R4, the VBUS end of the second port is connected to the drain of the fet Q2 and the drain of the fet Q3, the VBUSIN end of the fourth port is connected to the source of the fet Q2, the source of the fet Q3, and the source of the fet Q4, the drain of the fet Q1 is further connected to the gate of the fet Q2 and the gate of the fet Q4, the gate of the fet Q3 is connected to the ground end of the third port, the resistor R3, and the drain of the fet Q4, respectively, and the other end of the resistor R3 is connected between the DT end of the PD processor and the resistor R2.
  4. 4. The Type-C connector circuit of claim 3, wherein the power supply detection circuit further comprises a resistor R5, the drain electrode of the fet Q1 is connected to the VBUSIN terminal via the resistor R5, one terminal of R5 is connected to the gate electrode of the fet Q2 and the gate electrode of the fet Q4, respectively, and the other terminal is connected to the source electrode of the fet Q2 and the source electrode of the fet Q4, respectively.
  5. 5. The Type-C connector circuit of claim 4, wherein the power supply detection circuit further comprises a diode, wherein a positive electrode of the diode D1 is connected to the resistor R4, the drain electrode of the field effect transistor Q4, the ground terminal of the third port, and the resistor R3, respectively, and a negative electrode of the diode is connected to the VBUSIN terminal.
  6. 6. The Type-C connector circuit of claim 2, further comprising a voltage regulator circuit, wherein the VBUSIN terminal is connected to the VDD terminal of the PD processor via the voltage regulator circuit for providing a stable dc power supply to the PD processor; The voltage stabilizing circuit comprises a voltage stabilizer U1, a capacitor C2 and a capacitor C3, wherein one end of the voltage stabilizer U1 is respectively connected with the VBUSIN end and the capacitor C1, the other end of the voltage stabilizer U1 is respectively connected with the VDD end, the capacitor C2 and the capacitor C3, and the voltage stabilizer U1, the capacitor C2 and the capacitor C3 are all grounded.
  7. 7. The Type-C connector circuit of claim 6, wherein an output terminal of the voltage regulator circuit is connected to the VDD terminal via a resistor R6, wherein the other terminal of the resistor R6 is connected to a VSS terminal of the PD processor via a capacitor C4, and wherein the VSS terminal is connected to ground.
  8. 8. A magnetic Type-C connector, comprising a Type-C connector circuit as claimed in any one of claims 1-7, a pogo pin elastic thimble assembly electrically connected to the second port, and a magnetic assembly disposed at an interface of the pogo pin elastic thimble assembly; The magnetic component is used for adsorbing a charging connector of an external power supply, and the charging connector is in plug-in fit with the pogo pin elastic thimble component to form electric connection.
  9. 9. The magnetically attractable Type-C connector of claim 8 further comprising a Type-A interface electrically connected to the first port.
  10. 10. The Type-C connector of claim 9, wherein the pogo pin spring pin assembly is disposed on any side of the housing of the Type-C connector, and the Type-a interface is disposed on a side adjacent to the pogo pin spring pin assembly.

Description

Type-C connector circuit and magnetic Type-C connector Technical Field The utility model belongs to the technical field of connectors, and particularly relates to a Type-C connector circuit and a magnetic Type-C connector. Background With the continuous innovation and rapid development of technology, consumer electronic products are becoming more and more popular in life, and people have put forward higher demands on convenience and diversity of equipment functions. Under the trend, the Type-C interface is widely applied to various electronic devices by virtue of the advantages of small size, forward and backward insertion support, high power transmission, high data transmission rate and the like. In the current market, the existing Type-C interface charging head and the audio earphone can only be connected to a single Type-C port of the same device for use, and the use scene of the device is greatly limited. In addition, when the electric quantity of the equipment is insufficient and needs to be charged, the user cannot simultaneously use the earphone to listen to music, watch video or conduct operations such as talking, so that great inconvenience is brought to the user, and the requirement of people on multifunctional synchronous use of the equipment cannot be met. Disclosure of utility model The application provides a Type-C connector circuit and a magnetic Type-C connector, which can solve the problem that an audio earphone cannot be used while charging electronic equipment. The application discloses a Type-C connector circuit, which comprises: The input current of the first port is smaller than that of the second port; The power supply detection circuit comprises a switch module and an enabling control module which are connected, wherein the switch module is simultaneously connected with the first port and the second port; The PD processor is connected with the power supply detection circuit and used for generating an enabling signal when the second port is accessed, the PD processor is connected with a third port of the audio earphone and a fourth port connected with the electronic equipment, and the third port and the fourth port are in communication connection; The enabling control module is used for controlling the switch module to be opened through the enabling signal and enabling the input current of the second port to be input to the third port and the fourth port. In an embodiment, the enabling control module includes a field effect transistor Q1, a resistor R1, and a resistor R2, where a gate of the field effect transistor Q1 is connected to the VBEN end of the PD processor, a drain of the field effect transistor Q1 is connected to the VBUSIN end of the fourth port, and a source of the field effect transistor Q1 is connected to the resistor R2 and a ground line, respectively; One end of the resistor R1 is respectively connected with the grid electrode of the field effect tube Q1 and the VBEN end of the PD processor, the other end of the resistor R1 is respectively connected with the source electrode of the field effect tube Q1, the ground wire and the resistor R2, and the other end of the resistor R2 is connected with the C1DT end of the PD processor. In an embodiment, the switch module includes a fet Q2, a fet Q3, a fet Q4, a resistor R3, and a resistor R4, the VBUS end of the second port is connected to the drain of the fet Q2 and the drain of the third fet Q3, the VBUSIN end of the fourth port is connected to the source of the fet Q2, the source of the fet Q3, and the source of the fet Q4, the drain of the fet Q1 is further connected to the gate of the fet Q2 and the gate of the fet Q4, the gate of the fet Q3 is connected to the ground end of the third port, the resistor R3, and the drain of the fet Q4 through the resistor R4, and the other end of the resistor R3 is connected to between the C1DT end of the PD processor and the resistor R2. In an embodiment, the power supply detection circuit further includes a resistor R5, the drain electrode of the fet Q1 is connected to the VBUSIN end through the resistor R5, one end of the R5 is connected to the gate electrode of the fet Q2 and the gate electrode of the fet Q4 respectively, and the other end is connected to the source electrode of the fet Q2 and the source electrode of the fet Q4 respectively. In an embodiment, the power supply detection circuit further includes a diode, the anode of the diode D1 is connected to the resistor R4, the drain of the field effect transistor Q4, the ground terminal of the third port, and the resistor R3, and the cathode of the diode is connected to the VBUSIN terminal. In an embodiment, the Type-C connector circuit further includes a voltage stabilizing circuit, and the VBUSIN terminal is connected to the VDD terminal of the PD processor through the voltage stabilizing circuit, and is configured to provide a stable dc power supply to the PD processor; The voltage stabilizing circuit comprises a voltage stabil