CN215987291U - USB expansion module control circuit and device based on shunt chip - Google Patents
USB expansion module control circuit and device based on shunt chip Download PDFInfo
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- CN215987291U CN215987291U CN202121203560.9U CN202121203560U CN215987291U CN 215987291 U CN215987291 U CN 215987291U CN 202121203560 U CN202121203560 U CN 202121203560U CN 215987291 U CN215987291 U CN 215987291U
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Abstract
The utility model discloses a USB expansion module control circuit and a device based on a shunt chip, comprising: the USB expansion module, the module bottom plate and the crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through the stamp hole; the USB expansion module comprises a USB hub control unit, a multi-port forwarding unit and a power supply processing unit; the USB hub control unit comprises a fe1.1s _ ssop28 hub control subunit, a crystal oscillator subunit, a reset subunit, a bus voltage detection subunit and an LED driving subunit. The utility model realizes the expansion of multi-path USB output signals, and has the advantages of high performance, hot plug support, low power consumption and low cost.
Description
Technical Field
The utility model relates to the technical field of USB expansion, in particular to a USB expansion module control circuit and device based on a shunt chip.
Background
The USB expansion scheme used by the mainboard on the market is single at present, and the USB expansion ICs of different manufacturers cannot realize pin-to-pin compatibility; when the USB expansion IC model is difficult to supply, the motherboard manufacturer has to replace the expansion IC of another model by another version. In addition, the existing USB expansion IC is to be improved in terms of power consumption and performance. Therefore, the utility model of a GL852-ssop based USB expansion module control circuit is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The present invention provides a USB expansion module control circuit and device based on a splitter chip, aiming at the above-mentioned defects in the prior art.
In a first aspect, the utility model discloses a USB expansion module control circuit based on a shunt chip, which comprises a USB expansion module, a module bottom plate and a crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through a stamp hole; the USB expansion module comprises a USB hub control unit, a multi-port forwarding unit and a power supply processing unit; the USB hub control unit comprises a fe1.1s _ ssop28 hub control subunit, a crystal oscillator subunit, a reset subunit, a bus voltage detection subunit and an LED driving subunit; the first end to the eighth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the first end to the eighth end of the multiport forwarding unit respectively, the ninth end and the tenth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the ninth end and the tenth end of the multiport forwarding unit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit and the eleventh end of the multiport forwarding unit are electrically connected with the reset subunit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the bus voltage detection subunit, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the LED driving subunit, and the power input end of the fe1.1s _ ssop28 hub control subunit and the power input end of the multiport conversion forwarding unit are electrically connected with the power processing unit respectively.
Preferably, the bus voltage detection subunit includes a first resistor, a second resistor, and a first capacitor; the first end of the first resistor, the first end of the second resistor and the first end of the first capacitor are respectively electrically connected with the twelfth end of the fe1.1s _ ssop28 bus control subunit, the first end of the first resistor and the second end of the first capacitor are grounded, and the second end of the second resistor is electrically connected with the power processing unit.
Preferably, the LED driving subunit includes a third resistor; the first end of the third resistor is electrically connected with the thirteenth end of the fe1.1s _ ssop28 bus control subunit, and the second end of the third resistor is grounded.
Preferably, the power supply processing unit comprises a first power supply processing subunit and a second power supply processing subunit; the first power supply processing subunit is electrically connected with the fe1.1s _ ssop28 concentrated control subunit and the multi-port forwarding unit respectively, and the second power supply processing unit is electrically connected with the fe1.1s _ ssop28 concentrated control subunit.
Preferably, the reset subunit includes a fourth resistor and a second capacitor; a first end of the fourth resistor is electrically connected to a tenth end of the fe1.1s _ ssop28 concentrated control subunit and an eleventh end of the multiport forwarding unit, respectively, a second end of the fourth resistor is electrically connected to a first end of the second capacitor, and a second end of the second capacitor is grounded.
Preferably, the first power supply processing subunit includes a third capacitor and a fourth capacitor; the first end of the third capacitor is electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit and the power input end of the multi-port forwarding unit respectively, the first end of the fourth capacitor is electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit and the power input end of the multi-port forwarding unit respectively, and the second end of the third capacitor and the second end of the fourth capacitor are grounded.
Preferably, the second power supply processing subunit includes a fifth capacitor and a sixth capacitor; the first end of the fifth capacitor and the first end of the sixth capacitor are respectively electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit, and the second end of the fifth capacitor and the second end of the sixth capacitor are grounded.
In a second aspect, the present invention further discloses an apparatus, including the USB expansion module control circuit based on the splitter chip of the first aspect.
The USB expansion module control circuit based on the current divider chip has the following beneficial effects that: the USB expansion module, the module bottom plate and the crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through a stamp hole; the USB expansion module comprises a USB hub control unit, a multi-port forwarding unit and a power supply processing unit; the USB hub control unit comprises a fe1.1s _ ssop28 hub control subunit, a crystal oscillator subunit, a reset subunit, a bus voltage detection subunit and an LED driving subunit; the first end to the eighth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the first end to the eighth end of the multiport forwarding unit respectively, the ninth end and the tenth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the ninth end and the tenth end of the multiport forwarding unit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit and the eleventh end of the multiport forwarding unit are electrically connected with the reset subunit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the bus voltage detection subunit, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the LED driving subunit, and the power input end of the fe1.1s _ ssop28 hub control subunit and the power input end of the multiport conversion forwarding unit are electrically connected with the power processing unit respectively. Therefore, the utility model realizes the expansion of multi-path USB output signals, and has the advantages of high performance, hot plug support, low power consumption and low cost. The utility model realizes the expansion of multi-path USB output signals, and has the advantages of high performance, hot plug support, low power consumption and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic block diagram of a USB expansion module control circuit based on a current divider chip according to a preferred embodiment of the present invention;
FIG. 2 is a circuit diagram of a bus voltage detection subunit of a USB expansion module control circuit based on a current divider chip according to a preferred embodiment of the present invention;
FIG. 3 is a circuit diagram of a first power processing subunit of a USB expansion module control circuit based on a current divider chip according to a preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of a second power processing subunit of the USB expansion module control circuit based on the current divider chip according to the preferred embodiment of the present invention;
FIG. 5 is a circuit diagram of a reset subunit of a USB expansion module control circuit based on a current divider chip according to a preferred embodiment of the present invention;
FIG. 6 is a circuit diagram of a fe1.1s _ ssop28 hub control subunit of a current divider chip based USB expansion module control circuit according to a preferred embodiment of the present invention;
fig. 7 is a circuit diagram of a multi-port forwarding unit of a USB expansion module control circuit based on a splitter chip according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Example one
Fig. 1, 6 and 7 show a preferred embodiment of the present invention, which includes a USB expansion module 1, a module base plate a and a crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through a stamp hole; the USB expansion module 1 comprises a USB hub control unit 11, a multi-port forwarding unit 12 and a power supply processing unit 13; the USB hub control unit 11 includes a fe1.1s _ ssop28 hub control subunit 111, a crystal oscillator subunit 112, a reset subunit 113, a bus voltage detection subunit 114, and an LED driving subunit 115; the first to eighth terminals DP1\ DM1, DP2\ DM2\ DP3\ DM3 and DP4\ DM4 of the fe1.1s _ ssop28 trunking control subunit 111 are electrically connected to the first to eighth terminals DP1\ DM1, DP2\ DM2, DP3\ DM3 and DP4\ DM4 of the multiport forwarding unit 12, respectively, the ninth and tenth terminals UPDP of the fe1.1s _ ssop28 trunking control subunit 111 are electrically connected to the ninth and tenth terminals UPDP of the forwarding unit 12, respectively, the eleventh terminal XRSTJ _ I of the fe1.1s _ ssop28 trunking control subunit 111 and the eleventh terminal XRSTJ of the multiport forwarding unit 12 are electrically connected to the reset subunit 113, the first to eighth terminals DP1\ DM 3976, respectively, the eleventh terminal XRSTJ _ I of the fe1.1s _ ssop28 trunking control subunit 111 and the twelfth terminal DRV switching unit 111, respectively, the reset subunit 113, the power supply unit 111, the twelfth terminal drvst 1. s _ ssop 365 trunking control subunit 111, and the twelfth terminal DRV _ switch unit 111, and the reset unit 114. the multi-1. electrical connection of the multi-1. ssop switching unit The source input terminals are electrically connected to the power supply processing unit 13, respectively. Therefore, the utility model realizes the expansion of multi-path USB output signals, and has the advantages of high performance, hot plug support, low power consumption and low cost. The extension of multi-path USB output signals is realized on the basis of the fe1.1s _ ssop28 hub control subunit 111, the fe1.1s _ ssop28 hub control subunit 111 supports an STT data transmission architecture, and the hub control subunit has the advantages of strong data exchange capacity, high performance, hot plug support, low power consumption and low cost.
Preferably, the bus voltage detection subunit 114 includes a first resistor R5, a second resistor R1, and a first capacitor C1; the first end of the first resistor R5, the first end of the second resistor R1, and the first end of the first capacitor C1 are electrically connected to the twelfth end of the fe1.1s _ ssop28 concentrated control subunit, the first end of the first resistor R5 and the second end of the first capacitor C1 are grounded, and the second end of the second resistor R1 is electrically connected to the power processing unit. It can be understood that the bus voltage detection subunit 114 inputs the bus voltage to the fe1.1s _ ssop28 hub control subunit 111 in real time for real-time monitoring, and the reliability is high.
Preferably, the LED driving subunit 115 includes a third resistor; the first end of the third resistor is electrically connected with the thirteenth end of the fe1.1s _ ssop28 bus control subunit, and the second end of the third resistor is grounded. It will be appreciated that the LED driver subunit 115 is arranged to indicate the operational status of the fe1.1s _ ssop28 hub control subunit 111.
Preferably, referring to fig. 3 and 4, the power processing unit 13 includes a first power processing subunit and a second power processing subunit; the first power supply processing subunit is electrically connected with the fe1.1s _ ssop28 line concentration control subunit and the multi-port forwarding unit respectively, and the second power supply processing unit is electrically connected with the fe1.1s _ ssop28 line concentration control subunit.
Preferably, referring to fig. 5, the reset subunit 113 includes a fourth resistor R7 and a second capacitor C12; a first end of the fourth resistor R7 is electrically connected to the tenth end of the fe1.1s _ ssop28 concentrated control subunit and the eleventh end of the multiport forwarding unit 12, a second end of the fourth resistor R7 is electrically connected to the first end of the second capacitor C12, and a second end of the second capacitor C12 is grounded.
Preferably, the first power supply processing subunit comprises a third capacitor C4 and a fourth capacitor C6; a first end of the third capacitor C4 is electrically connected to the power input terminal of the fe1.1s _ ssop28 concentrated control subunit 111 and the power input terminal of the multi-port forwarding unit 12, respectively, a first end of the fourth capacitor C6 is electrically connected to the power input terminal of the fe1.1s _ ssop28 concentrated control subunit 111 and the power input terminal of the multi-port forwarding unit 12, respectively, and a second end of the third capacitor C4 and a second end of the fourth capacitor C6 are grounded.
Preferably, the second power supply processing subunit comprises a fifth capacitor C7 and a sixth capacitor C9; a first end of the fifth capacitor C7 and a first end of the sixth capacitor C9 are electrically connected to the power input end of the fe1.1s _ ssop28 integrated control subunit 111, respectively, and a second end of the fifth capacitor C7 and a second end of the sixth capacitor C9 are grounded.
Example two
The utility model also discloses a device which comprises the USB expansion module control circuit based on the shunt chip.
In summary, the USB expansion module control circuit based on the splitter chip provided by the present invention includes a USB expansion module, a module bottom plate, and a crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through a stamp hole; the USB expansion module comprises a USB hub control unit, a multi-port forwarding unit and a power supply processing unit; the USB hub control unit comprises a fe1.1s _ ssop28 hub control subunit, a crystal oscillator subunit, a reset subunit, a bus voltage detection subunit and an LED driving subunit; the first end to the eighth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the first end to the eighth end of the multiport forwarding unit respectively, the ninth end and the tenth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the ninth end and the tenth end of the multiport forwarding unit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit and the eleventh end of the multiport forwarding unit are electrically connected with the reset subunit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the bus voltage detection subunit, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the LED driving subunit, and the power input end of the fe1.1s _ ssop28 hub control subunit and the power input end of the multiport conversion forwarding unit are electrically connected with the power processing unit respectively. Therefore, the utility model realizes the expansion of multi-path USB output signals, and has the advantages of high performance, hot plug support, low power consumption and low cost. The extension of multi-path USB output signals is realized on the basis of the fe1.1s _ ssop28 hub control subunit 111, the fe1.1s _ ssop28 hub control subunit 111 supports an STT data transmission architecture, and the hub control subunit has the advantages of strong data exchange capacity, high performance, hot plug support, low power consumption and low cost.
The USB expansion module control circuit based on the current divider chip provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained in this document by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and in summary, the content of the present specification is only an implementation of the present invention, and not a limitation to the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the utility model.
Claims (8)
1. A USB expansion module control circuit based on a current divider chip is characterized by comprising: the USB expansion module, the module bottom plate and the crystal oscillator; the USB expansion module is electrically connected with the module bottom plate, and the module bottom plate is welded with a welding disc on the mainboard through a stamp hole; the USB expansion module comprises a USB hub control unit, a multi-port forwarding unit and a power supply processing unit; the USB hub control unit comprises a fe1.1s _ ssop28 hub control subunit, a crystal oscillator subunit, a reset subunit, a bus voltage detection subunit and an LED driving subunit; the first end to the eighth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the first end to the eighth end of the multiport forwarding unit respectively, the ninth end and the tenth end of the fe1.1s _ ssop28 hub control subunit are electrically connected with the ninth end and the tenth end of the multiport forwarding unit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit and the eleventh end of the multiport forwarding unit are electrically connected with the reset subunit respectively, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the bus voltage detection subunit, the tenth end of the fe1.1s _ ssop28 hub control subunit is electrically connected with the LED driving subunit, and the power input end of the fe1.1s _ ssop28 hub control subunit and the power input end of the multiport conversion forwarding unit are electrically connected with the power processing unit respectively.
2. The USB expansion module control circuit based on the current divider chip of claim 1, wherein the bus voltage detection subunit comprises a first resistor, a second resistor and a first capacitor; the first end of the first resistor, the first end of the second resistor and the first end of the first capacitor are respectively electrically connected with the twelfth end of the fe1.1s _ ssop28 bus control subunit, the first end of the first resistor and the second end of the first capacitor are grounded, and the second end of the second resistor is electrically connected with the power processing unit.
3. The USB expansion module control circuit based on the current divider chip as claimed in claim 1, wherein the LED driving subunit comprises a third resistor; the first end of the third resistor is electrically connected with the thirteenth end of the fe1.1s _ ssop28 bus control subunit, and the second end of the third resistor is grounded.
4. The USB expansion module control circuit based on the current divider chip of claim 1, wherein the power supply processing unit comprises a first power supply processing subunit and a second power supply processing subunit; the first power supply processing subunit is electrically connected with the fe1.1s _ ssop28 concentrated control subunit and the multi-port forwarding unit respectively, and the second power supply processing unit is electrically connected with the fe1.1s _ ssop28 concentrated control subunit.
5. The USB expansion module control circuit based on the current divider chip according to claim 1, wherein the reset subunit comprises a fourth resistor and a second capacitor; a first end of the fourth resistor is electrically connected to a tenth end of the fe1.1s _ ssop28 concentrated control subunit and an eleventh end of the multiport forwarding unit, respectively, a second end of the fourth resistor is electrically connected to a first end of the second capacitor, and a second end of the second capacitor is grounded.
6. The USB expansion module control circuit based on the current divider chip of claim 4, wherein the first power supply processing subunit comprises a third capacitor and a fourth capacitor; the first end of the third capacitor is electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit and the power input end of the multi-port forwarding unit respectively, the first end of the fourth capacitor is electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit and the power input end of the multi-port forwarding unit respectively, and the second end of the third capacitor and the second end of the fourth capacitor are grounded.
7. The USB expansion module control circuit based on the current divider chip of claim 6, wherein the second power supply processing subunit comprises a fifth capacitor and a sixth capacitor; the first end of the fifth capacitor and the first end of the sixth capacitor are respectively electrically connected with the power input end of the fe1.1s _ ssop28 concentrated control subunit, and the second end of the fifth capacitor and the second end of the sixth capacitor are grounded.
8. An apparatus comprising the USB expansion module control circuit based on the current divider chip of any one of claims 1 to 7.
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CN202121203560.9U CN215987291U (en) | 2021-05-31 | 2021-05-31 | USB expansion module control circuit and device based on shunt chip |
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CN202121203560.9U CN215987291U (en) | 2021-05-31 | 2021-05-31 | USB expansion module control circuit and device based on shunt chip |
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