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CN-224204541-U - Multi-interface expansion circuit

CN224204541UCN 224204541 UCN224204541 UCN 224204541UCN-224204541-U

Abstract

The utility model discloses a multi-interface expansion circuit which comprises an MXM3 connector, a power supply module, a SATA interface expansion module, an HMDI interface expansion module, an SSD interface expansion module, an MIPI display screen and a 40PIN PIN connector, wherein the MXM3 connector is respectively connected with the USB interface expansion module, the power supply module, the SATA interface expansion module, the HMDI interface expansion module, the SSD interface expansion module, the MIPI display screen and the 40PIN PIN connector, the power supply module comprises a power supply controller, a power supply battery, a DC-DC converter, a first mode converter, a second mode converter, a buck conversion unit and a TYPEC interface, the power supply controller is respectively connected with the MXM3 connector, the power supply battery, the DC-DC converter, the first mode converter, the second mode converter and the TYPEC interface, the TYPEC interface is connected with the MXM3 connector, and the second mode converter is connected with the buck conversion unit. In the scheme of the utility model, the integration of a plurality of interfaces with low cost is realized, and the technical problems of higher cost and complex conversion of the integration of the interfaces are solved.

Inventors

  • FENG YINGLIN
  • WANG QINGHUA
  • ZHANG KE
  • LIU GUIWU
  • LUO YONG

Assignees

  • 北京神州数码云计算有限公司

Dates

Publication Date
20260505
Application Date
20250317

Claims (10)

  1. 1. A multi-interface expansion circuit, the multi-interface expansion circuit comprising: The device comprises an MXM3 connector, a USB interface expansion module, a power supply module, a SATA interface expansion module, an HMDI interface expansion module, an SSD interface expansion module, an MIPI display screen and a 40PIN PIN connector; The MXM3 connector is respectively connected with the USB interface expansion module, the power supply module, the SATA interface expansion module, the HMDI interface expansion module, the SSD interface expansion module, the MIPI display screen and the 40PIN PIN connector; the power supply module comprises a power supply controller, a power supply battery, a DC-DC converter, a first mode converter, a second mode converter, a buck conversion unit and TYPEC interfaces; The power supply controller is respectively connected with the MXM3 connector, the power supply battery, the DC-DC converter, the first mode converter, the second mode converter and the TYPEC interface, the TYPEC interface is connected with the MXM3 connector, and the second mode converter is connected with the buck conversion unit.
  2. 2. The multi-interface expansion circuit of claim 1, wherein said buck conversion unit comprises a first circuit breaker, a second circuit breaker, a third circuit breaker, and a buck conversion device, said first circuit breaker, said second circuit breaker, said buck conversion device being respectively connected to said second mode converter, said third circuit breaker being connected in series with said buck conversion device.
  3. 3. The multi-interface expansion circuit of claim 2, wherein the buck converter comprises one or more of the following chips, RT5795AGQW chip, ETA3409 chip, TMI3112H chip, SY8113B chip, TPS82085SILR chip.
  4. 4. The multi-interface expansion circuit of claim 1, wherein the first mode converter, the second mode converter, and the DC-DC converter are each connected to the MXM3 connector.
  5. 5. The multi-interface expansion circuit of claim 1, wherein said power supply controller comprises a BQ25703 chip.
  6. 6. The multi-interface expansion circuit of claim 1, wherein said first mode converter comprises an MP8759 chip, said second mode converter comprises an MP8759 chip, and said DC-DC converter comprises a SY8113B chip.
  7. 7. The multi-interface expansion circuit of claim 1, wherein said SATA interface expansion module comprises a JMB575 chip, a plurality of SATA interfaces, said JMB575 chip being connected to said MXM3 connector, a plurality of SATA interfaces, respectively.
  8. 8. The multi-interface expansion circuit of claim 1, wherein said USB interface expansion module comprises a USB5807C hub, a SIM card IC carrier, a 24PIN PIN header connector, and a plurality of USB interfaces, said USB5807C hub being connected to said SIM card IC carrier, said 4PIN header connector, said plurality of USB interfaces, and said MXM3 connector, respectively.
  9. 9. The multi-interface expansion circuit of claim 1, further comprising a headset interface module, said headset interface module being coupled to said MXM3 connector.
  10. 10. The multi-interface expansion circuit of claim 9, wherein said earphone interface module further comprises an earphone base and an ES8388 chip, said ES8388 chip being connected to said MXM3 connector and said earphone base, respectively.

Description

Multi-interface expansion circuit Technical Field The utility model relates to the field of interface line concentration, in particular to an expansion circuit with multiple interfaces. Background In the existing computer field, the interface circuit board can provide port expansion of USB 3.1Gen1, support downstream battery charging, integrate battery charger detection circuits, and realize expansion requirements of HMDI interfaces and the like. The wiring expansion in the field of computers requires techniques for increasing the number of interfaces of the computer, improving data transmission capability, enhancing functions, or improving user experience through various hardware and software means. Because there are many interfaces that need to be integrated in the computer field, such as SATA interface, SSD interface, HDMI interface, USB interface, type-C interface, and a series of interfaces, and the connection between multiple interfaces needs more converters to convert, in order to meet the requirements of multiple interfaces, the manufacturing cost of the circuit board is high, and in order to solve the problems of high cost and complex conversion of integrating multiple interfaces, a new interface integration scheme is needed to solve the current problem. Disclosure of utility model The utility model mainly aims to provide a technical problem that a plurality of interfaces are integrated and have high cost and complex conversion. In order to achieve the above object, the present utility model provides a multi-interface expansion circuit, which includes: The device comprises an MXM3 connector, a USB interface expansion module, a power supply module, a SATA interface expansion module, an HMDI interface expansion module, an SSD interface expansion module, an MIPI display screen and a 40PIN PIN connector; The MXM3 connector is respectively connected with the USB interface expansion module, the power supply module, the SATA interface expansion module, the HMDI interface expansion module, the SSD interface expansion module, the MIPI display screen and the 40PIN PIN connector; the power supply module comprises a power supply controller, a power supply battery, a DC-DC converter, a first mode converter, a second mode converter, a buck conversion unit and TYPEC interfaces; The power supply controller is respectively connected with the MXM3 connector, the power supply battery, the DC-DC converter, the first mode converter, the second mode converter and the TYPEC interface, the TYPEC interface is connected with the MXM3 connector, and the second mode converter is connected with the buck conversion unit. Optionally, in a first implementation manner, the buck conversion unit comprises a first circuit breaker, a second circuit breaker, a third circuit breaker and a buck conversion device, wherein the first circuit breaker, the second circuit breaker and the buck conversion device are respectively connected with the second mode converter, and the third circuit breaker is connected with the buck conversion device in series. Optionally, in a second implementation, the buck conversion apparatus includes one or more of the following chips, RT5795AGQW chip, ETA3409 chip, TMI3112H chip, SY8113B chip, TPS82085SILR chip. Optionally, in a third implementation, the first mode converter, the second mode converter, the DC-DC converter are connected to the MXM3 connector respectively. Optionally, in a fourth implementation, the power supply controller includes a BQ25703 chip. Optionally, in a fifth implementation, the first mode converter includes an MP8759 chip, the second mode converter includes an MP8759 chip, and the DC-DC converter includes a SY8113B chip. Optionally, in a sixth implementation manner, the SATA interface expansion module includes a JMB575 chip and a plurality of SATA interfaces, where the JMB575 chip is connected to the MXM3 connector and the plurality of SATA interfaces respectively. Optionally, in a seventh implementation manner, the USB interface expansion module comprises a USB5807C hub, a SIM card IC carrier, a 24PIN PIN connector and a plurality of USB interfaces, wherein the USB5807C hub is respectively connected with the SIM card IC carrier, the 4PIN PIN connector, the plurality of USB interfaces and the MXM3 connector. Optionally, in an eighth implementation, the multi-interface expansion circuit further includes a headset interface module, the headset interface module being connected to the MXM3 connector. Optionally, in a ninth implementation manner, the earphone interface module further comprises an earphone seat and an ES8388 chip, wherein the ES8388 chip is respectively connected with the MXM3 connector and the earphone seat. In the embodiment of the utility model, a multi-interface expansion circuit is provided, a USB interface expansion module, a SATA interface expansion module, an HMDI interface expansion module, an SSD interface expansion module, an MIPI display screen and a 40PIN PIN con