CN207457368U - A kind of test board - Google Patents
A kind of test board Download PDFInfo
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- CN207457368U CN207457368U CN201721158880.0U CN201721158880U CN207457368U CN 207457368 U CN207457368 U CN 207457368U CN 201721158880 U CN201721158880 U CN 201721158880U CN 207457368 U CN207457368 U CN 207457368U
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Abstract
The utility model discloses a kind of test boards.The test board includes the first Type C connectors, the 2nd Type C connectors, a Micro USB connector and signal conversion module, and signal conversion module is connected between Micro USB connectors and the 2nd Type C connectors；Test board provides TCH test channel by Micro USB connectors, signal conversion module and the 2nd Type C connectors for product to be measured, and more new tunnel is provided for the processor of product to be measured by the first Type C connectors and the 2nd Type C connectors；Signal conversion module, it is converted to UART signal for the usb signal of self-test in future host and is sent to product to be measured through the 2nd Type C connectors, UART signal from product to be measured is converted into usb signal and is sent to test main frame through Micro USB connectors, electronic product based on Type C interface is directly tested by Type C interface, realization can be tested under complete machine state, the program update of processor can be realized simultaneously, it is simple operation, time saving.
Description
Technical field
The utility model is related to electronic technology fields, and in particular to a kind of test board.
Background technology
With the rapid development of electronic technology, electronic product transport interface is varied, the periphery of various electronic products connects
Mouth is also to emerge in an endless stream, such as SATA interface, PS/2 interfaces, USB interface, USB Type-C interfaces, RJ45 interfaces, USB interface
With HDMI interface etc..But as electronic product develops to miniaturization, ultrathin, function diversification direction, product itself can not
Excessive interface can be designed with.So at present there is an urgent need for a kind of compatibility by force, powerful, the small interface of structure size.
Type-C interfaces have transmission speed fast (theoretical transmission speed is up to 10Gbps), slim regardless of positive anti-plug, body
(8.3*2.5cm), power supply capacity is strong, expandability is strong (its can transmitting audio-video signal, expand to the output of a variety of audio and video and connect
Mouthful, such as HDMI, VGA, DVI interface) the advantages that, by more and more electronics applications.
Type-C interface internals have 12 pairs of pins, when Type-C interfaces possess USB2.0 functions, 6 pairs of pins therein
Compatible USB2.0 functions are defined for, 6 pairs of pins in addition can be idle pin, can be used for being compatible with other agreements letter
Number.When Type-C interfaces possess USB3.0 functions, RX pins and TX pins therein can be used for being compatible with other protocol signals.
It can meet usb signal data transportation requirements although being currently based on the electronic product of Type-C interfaces, test
Or during more new procedures, electronic product is communicated due to that can only be based on UART signal, and electronic product is caused to be tested or updated
Control mainboard can only be separated complete machine during program, can just be carried out by the reserved UART interface in the control mainboard under separating
Debugging.This adjustment method is inconvenient, largely wastes time and the energy of engineer, reduces Test Engineer
Work efficiency.
Utility model content
The utility model provides a kind of test board, is being tested with solving the existing electronic product based on Type-C interfaces
In the process there are it is inconvenient, take it is larger the problem of.
The utility model provides a kind of test board, and the test board includes the first Type-C connectors, the 2nd Type-C
Connector, a Micro USB connector and signal conversion module, wherein the first Type-C connectors and the Micro
USB connector is used for connecting test host, and the 2nd Type-C connectors are used to connect product to be measured, and described second
The pin of Type-C connectors and the pin of the Type-C interfaces of product to be measured connect one to one；The signal conversion module connects
It is connected between the Micro USB connectors and the 2nd Type-C connectors；
The test board is connected by the Micro USB connectors, the signal conversion module and the 2nd Type-C
It connects device and provides TCH test channel for the product to be measured, pass through the first Type-C connectors and the 2nd Type-C connectors
Processor for the product to be measured provides more new tunnel；
The signal conversion module, for the usb signal from the test main frame to be converted to described in UART signal warp
2nd Type-C connectors are sent to the product to be measured, and the UART signal from the product to be measured is converted to usb signal
The test main frame is sent to through the Micro USB connectors.
Preferably, the test board is provided by the first Type-C connectors and the 2nd Type-C connectors
More new tunnel provides input voltage for the product to be measured, and sends more new procedures to the product to be measured.
Preferably, the test board further includes voltage transformation module, and the voltage transformation module connects the Micro USB
Connector and each inside chip for connecting the test board, the test board is by the Micro USB connectors from described
Input voltage is obtained in test main frame；
The voltage transformation module is the test for carrying out voltage conversion to the input voltage of the test main frame
Each inside chip of plate provides operating voltage.
Preferably, the test board further includes state handover module, and the state handover module connects the voltage conversion
Module and the 2nd Type-C connectors export high electricity for stirring operation according to user to the 2nd Type-C connectors
Flat either low level controls the product to be measured to enter test mode or more new state.
Preferably, the test board further includes voltage indicating module, and the voltage indicating module is by multiple light emitting diodes
And corresponding build-out resistor composition, each voltage is corresponded to there are one light emitting diode, when some lumination of light emitting diode,
Indicate that corresponding voltage has powered on.
Preferably, the voltage transformation module includes that 5V turns the first voltage conversion chip of 3.3V and 3.3V turns the of 1.8V
Two voltage conversion chips.
Preferably, jumper cap position there are one being reserved in the voltage transformation module；
The jumper cap, for the 5V voltages from the test main frame to be supplied to described treat directly as external power supply
Survey product.
Preferably, the signal conversion module turns UART bridge controllers for a kind of USB.
Preferably, the voltage of the input signal of the signal conversion module is in the reference voltage level model of 1.8V to product to be measured
It encloses interior adjustable.
Preferably, the state handover module is switched using SS-1290.
The beneficial effects of the utility model are：The technical solution of the utility model using Type-C interfaces it is compatible other
The pin of agreement designs a kind of test board, and compared with prior art, the utility model causes the electronics based on Type-C interfaces to produce
Product can be tested directly by Type-C interfaces, electronic product be realized without control mainboard is separated, under complete machine state
It can be tested, while can realize the program update of processor so that the electronic product test based on Type-C interfaces is more
Add convenient, time saving, help to improve the work efficiency of Test Engineer；Simultaneously without reserved UART is surveyed in control mainboard again
It tries mouth, to a certain extent, simplifies the design of electronic product control circuit board, saved the cost of electronic product.
Description of the drawings
Fig. 1 is a kind of structure diagram of test board of the utility model one embodiment；
Fig. 2 is a kind of driving circuit figure of the power supply instruction module of the utility model one embodiment.
Specific embodiment
The design concept of the utility model is：It was being tested for the electronic product in the prior art based on Type-C interfaces
In journey there are it is inconvenient, take it is larger the problem of, utility model people expects, utilizes other compatible agreements of Type-C interfaces
Pin design a kind of test board, test board includes the first Type-C connectors, the 2nd Type-C connectors, a Micro
USB connector and signal conversion module, wherein the first Type-C connectors and Micro USB connectors are used for connecting test master
Machine, the 2nd Type-C connectors are used to connect product to be measured；Signal conversion module is connected to Micro USB connectors and second
Between Type-C connectors；Test board is to treat by Micro USB connectors, signal conversion module and the 2nd Type-C connectors
It surveys product and TCH test channel is provided, carried by the first Type-C connectors and the 2nd Type-C connectors for the processor of product to be measured
For more new tunnel；Signal conversion module is converted to UART signal through the 2nd Type-C for the usb signal of self-test in future host
Connector is sent to product to be measured, and the UART signal from product to be measured is converted to usb signal sends out through Micro USB connectors
It send to test main frame, realizes that the electronic product based on Type-C interfaces can be tested directly by Type-C interfaces, realize
Electronic product can be tested under complete machine state without separating control mainboard, while can realize the program of processor
Update so that the electronic product test based on Type-C interfaces is more convenient, time saving, helps to improve the work of Test Engineer
Efficiency；Simultaneously without UART test interfaces are reserved in control mainboard again, to a certain extent, electronic product control is simplified
The cost of electronic product has been saved in the design of circuit board.
Embodiment one
Fig. 1 is a kind of structure diagram of test board of the utility model one embodiment, as shown in Figure 1,
Test board 200 includes the first Type-C connectors 201,202, Micro USB of the 2nd Type-C connectors connect
Device 203 and signal conversion module 204 are connect, wherein the first Type-C connectors 201 and Micro USB connectors 203 are used to connect
Test main frame 100, the 2nd Type-C connectors 202 are for connecting product 300 to be measured, and the 2nd Type-C connectors
The pin of pin and the Type-C interfaces of product to be measured connects one to one；Signal conversion module 204 is connected to Micro USB companies
It connects between 203 and the 2nd Type-C connectors 202 of device；
Test board 200 passes through Micro USB connectors 203,204 and the 2nd Type-C connectors 202 of signal conversion module
TCH test channel is provided for product to be measured, is product to be measured by the first Type-C connectors 201 and the 2nd Type-C connectors 202
300 processor provides more new tunnel；
Signal conversion module 204, the usb signal for self-test in future host 100 are converted to UART signal through second
Type-C connectors 202 are sent to product 300 to be measured, and the UART signal from product 300 to be measured is converted to usb signal warp
Micro USB connectors 203 are sent to test main frame 100.
Pass through test board shown in FIG. 1, it is known that, compared with the prior art, the utility model causes based on Type-C interfaces
Electronic product can directly be tested by Type-C interfaces, electronic product is realized without control mainboard be separated, whole
It can be tested under machine state, while can realize the program update of processor so that the electronics production based on Type-C interfaces
Product test is more convenient, time saving, helps to improve the work efficiency of Test Engineer；Simultaneously without again in control mainboard it is pre-
Stay UART test interfaces, to a certain extent, simplify the design of electronic product control circuit board, saved electronic product into
This.
In one embodiment of the utility model, signal conversion module turns UART bridge controllers for a kind of USB.It should
The USB that the CP2104 models of Silicon Labs companies production may be employed in signal conversion module turns UART bridge controllers.
The USB of model CP2102 models turns the upgrading products of UART bridge controllers, it is necessary to illustrate, CP2104 models
USB, which turns UART bridges controller, can both be converted to UART signal usb signal, and usb signal can be also converted to UART letters
Number.The applied signal voltage of signal conversion module is adjustable (it should be noted that VDD refers to product to be measured for 1.8V~VDD
Reference voltage level) so that the product treatment device to be measured of the compatible more different voltages values of test board expands to a certain extent
The application range of test board.The reference voltage of current product treatment device chip to be measured has the different electricity such as 1.8V, 3.3V and 5V
Pressure, and the voltage value that can be compatible with simultaneously of the signal conversion module of the claimed test board of the application is 1.8V, 3.3V and 5V
UART signal voltage, and it is converted into corresponding usb signal.
In one embodiment of the utility model, test board 200 passes through the first Type-C connectors 201 and second
The more new tunnel that Type-C connectors 202 provide provides input voltage for product 300 to be measured, and is treated to product 300 to be measured transmission
More new procedures.That is, more new tunnel, there are two function, a function is that the voltage of self-test in future host 100 directly passes
It send to product 300 to be measured, provides power supply for product 300 to be measured, another function is the journey to be updated of self-test in future host 100
Sequence is sent to product 300 to be measured.
In one embodiment of the utility model, test board 200 further includes voltage transformation module 205, voltage conversion mould
Block 205 connects each inside chip of Micro USB connectors 203 and connecting test plate 200, and test board 200 passes through Micro
USB connector 203 obtains input voltage from test main frame 100；Voltage transformation module 205, for the defeated of test main frame 100
Enter voltage and carry out voltage conversion, operating voltage is provided for each inside chip of test board 200.
In one embodiment of the utility model, voltage transformation module 205 includes the first voltage conversion that 5V turns 3.3V
Chip and 3.3V turn the second voltage conversion chip of 1.8V.During specific implementation, first voltage conversion chip may be employed
TLV70218 chips may be employed in TPS73233 chips, second voltage conversion chip.Both chip performances are stablized, peripheral circuit
Simply, required voltage can be provided for test board well.It should be noted that when the production to be measured of product 300 to be measured output
When UART datums become the voltage of other numerical value inside the master chip of product, as long as converting the voltage into the first electricity in module 205
Pressure conversion chip and second voltage conversion chip replace with corresponding voltage conversion chip.It can be seen that the utility model
Technical solution can be compatible with the UART signals of various different voltages.
It is also reserved there are one jumper cap position in one embodiment of the utility model, it can be in the future using the jumper cap
The 5V voltages of self-test host are supplied to product to be measured directly as external power supply.
In practical applications, if in the case where test 300 power consumption of product to be measured is larger, once test main frame 100 is powered
5V voltages cannot meet the needs of product 300 to be measured, then need extraneous USB power source to power for product 300 to be measured, this is external
Supply voltage is USB_5V.But when product 300 to be measured is only that the simple test instruction action power consumption of execution is smaller, you can will
The 5VIN that USB_5V and test main frame are given directly uses jumper cap (such as short circuit cap) short circuit.It can be seen that jumper cap position is set
Meaning be：In the case where product power consumption to be measured is little, product can be powered with an electric wire Cable less, to survey
Examination engineer provides a convenient, and helps to promote the work efficiency of Test Engineer.
In one embodiment of the utility model, test board 200 further includes state handover module 206, state switching mould
Block 206 connects 205 and the 2nd Type-C connectors 202 of voltage transformation module, for stirring operation to the 2nd Type- according to user
C connectors 202 export high level, and either low level controls product 300 to be measured to enter test mode or more new state.
It should be noted that state handover module 206 is the switch of low and high level, low and high level switchs a termination voltage and turns
Change the mold block (for example, low pressure difference linearity Voltage stabilizing module), the other end by the 2nd Type-C connectors directly with interiors of products to be measured
Processor chips pin is connected, and when low and high level is switched and disconnected, the processor chips pin of product 300 to be measured is low level；
When low and high level is switched and is closed, the processor chips pin of product 300 to be measured is high level.In more new procedures or normal defeated
When entering to instruct, the position that processor chips start (Boot) is different, passes through the startup of low and high level switch control processor chip
(Boot) position.The switch of the low and high level is made of a SS-1290 toggle switch.Low and high level switch is artificially to stir
Control, for example, pre-set stir to the left low and high level switch when, low and high level switch output high level, control production to be measured
Product 300 enter test mode, and product 300 to be measured receives the control instruction that test main frame 100 is sent and performed according to control instruction
Corresponding operating；Pre-set stir to the right low and high level switch when, low and high level switch output low level, control product to be measured
300 enter more new state, receive the program to be updated that test main frame 100 is sent, 300 processor of product to be measured is according to journey to be updated
Sequence is updated into line program.
In one embodiment of the utility model, test board 200 further includes voltage indicating module 207, voltage instruction mould
Block 207 is made of multiple light emitting diodes and corresponding build-out resistor, each voltage is corresponded to there are one light emitting diode, when
During some lumination of light emitting diode, indicate that corresponding voltage has powered on.
It should be noted that in this embodiment, the voltage of instruction has USB_5V voltages, 3.3V that test main frame 100 inputs
Voltage and 1.8V voltages.Each voltage value corresponds to a light emitting diode.When lumination of light emitting diode, its instruction is represented
Voltage has powered on.In practical applications, light emitting diode is LED light, in order to enable the LED light of corresponding 1.8V is bright, it is necessary to use
One simple driving circuit is realized.If because if thinking that LED light is bright, LED light both ends need the pressure difference of general 2V, still
The pressure difference of 1.8V is too small compared with the pressure difference of 2V, there is the possibility that LED light can not be made bright.So it needs to design one by NMOS tube
A driving circuit.In simple terms, the characteristics of being exactly smaller than diode cut-in voltage using the cut-in voltage of NMOS, because NMOS is needed
Want 0.7V or so can upper and lower ends conducting, diode may need access to 2V or so.Fig. 2 is one implementation of the utility model
A kind of driving circuit figure of the power supply instruction module of example, as shown in the left side circuit diagram in Fig. 2, LED light D1 is used to show 1.8V
Voltage；LED light D2 is used to show 3.3V voltages.It is set on D1 display circuits there are one NMOS tube, only when existing for 1.8V
2 ends of NMOS and the conducting of 3 ends are waited, the reality of driving diode D1 is 3.3V after turning on, and so ensures that voltage indicating module
It can normally show 1.8V voltages.As shown in the middle left side circuit diagram of Fig. 2, when 3.3V voltages there are when without NMOS
Pipe can drive LED light D2 bright.
In addition, when carrying out test board test, it is necessary to by the pin of the 2nd Type-C connectors and product Type-C to be measured
The pin of interface is corresponded by Cable so that product to be measured completes test under complete machine state.Need what is illustrated
It is, in connection, to have to clear the pin attribute of Type-C, especially Type-C to Type-C needed for test
The pin sequence of Cable, because 3.0 Cable of standard are not traditional direct-connected.
In order to enable the technical solution of the utility model becomes apparent from, explain for a specific example below
It is bright.Test main frame 100 is broadly divided into both of which to the debugging of product 300 to be measured.One mode is normal instructions input pattern,
A kind of program renewal model for 300 processor of product to be measured.
(1) normal instructions input pattern
Artificially stir state handover module 203 so that product 300 to be measured enters normal instructions input pattern, test main frame
The operating voltage of 5V is sent to voltage transformation module 205 by 100 by Micro USB connectors, and the control of USB forms is referred to
Order is sent to signal conversion module 204；Voltage transformation module 205 will come from Micro USB connectors using TPS73233 chips
5V voltage conversions for 3.8V, and then be 1.8V voltages by 3.8V voltage conversions using TLV70218 chips, and will obtain
3.8V voltages and 1.8V voltages are sent to signal conversion module 204, and voltage indicating module 207 indicates 5V, 3.8V and 1.8V at this time
The power-up state of voltage, the control instruction for the USB forms that signal conversion module 204 sends test main frame are converted to UART forms
Control instruction, and the control instruction for the UART forms being converted to is sent to by the 2nd Type-C connectors 202 to be measured
Product 300.Product 300 to be measured is operated according to the control instruction, and passes through the 2nd Type-C connectors to test main frame
100 send the feedback signal of UART forms, and the feedback signal of the UART forms is converted to usb signal through signal conversion module 204,
And pass through Micro USB connectors 203 and the usb signal is sent to test main frame 100.
(2) the program renewal model of processor
Artificially stir state handover module 203 so that product 300 to be measured is tested into the program renewal model of processor
The program to be updated of usb signal form is sent to by host 100 by the first Type-C connectors and the 2nd Type-C connectors
300 product 300 to be measured of product to be measured updates internal processes according to the program to be updated that receives, while by the UART forms of itself
Update status signal be converted to the update status signals of USB forms by signal conversion module 204, and by the USB forms
Update status signal is sent to test main frame 100 by Micro USB connectors 203.
It should be noted that no matter the Type-C interfaces at product end to be measured utilize USB2.0 functions or USB3.0 functions,
Tested using the claimed test board of the utility model.That is, when Type-C interfaces utilize USB2.0 work(
During energy, tested using 6 pairs of idle pins of Type-C interfaces；When Type-C interfaces utilize USB3.0 functions, utilize
The RX pins and TX pins of Type-C interfaces are tested.
In conclusion the technical solution of the utility model is designed using the pin of other compatible agreements of Type-C interfaces
A kind of test board, compared with prior art, the utility model allow the electronic product based on Type-C interfaces directly to pass through
Type-C interfaces are tested, and realize that electronic product without control mainboard is separated, can be tested, together under complete machine state
When can realize processor program update so that based on Type-C interfaces electronic product test it is more convenient, time saving, help
In the work efficiency for improving Test Engineer；Simultaneously without UART test interfaces are reserved in control mainboard again, in certain journey
On degree, the design of electronic product control circuit board is simplified, has saved the cost of electronic product.
The above is only specific embodiment of the present utility model, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions simply preferably explain the purpose of this utility model, and the scope of protection of the utility model is with claim
Subject to protection domain.
Claims (10)
1. a kind of test board, which is characterized in that the test board include the first Type-C connectors, the 2nd Type-C connectors,
One Micro USB connector and signal conversion module, wherein the first Type-C connectors are connected with the Micro USB
Device is used for connecting test host, and the 2nd Type-C connectors are for connecting product to be measured, and the 2nd Type-C connects
The pin for connecing the pin of device and the Type-C interfaces of product to be measured connects one to one；The signal conversion module is connected to described
Between Micro USB connectors and the 2nd Type-C connectors；
The test board passes through the Micro USB connectors, the signal conversion module and the 2nd Type-C connectors
TCH test channel is provided for the product to be measured, is institute by the first Type-C connectors and the 2nd Type-C connectors
The processor for stating product to be measured provides more new tunnel；
The signal conversion module, for the usb signal from the test main frame to be converted to UART signal through described second
Type-C connectors are sent to the product to be measured, and the UART signal from the product to be measured is converted to usb signal through institute
It states Micro USB connectors and is sent to the test main frame.
2. test board as described in claim 1, which is characterized in that the test board by the first Type-C connectors and
The more new tunnel that the 2nd Type-C connectors provide provides input voltage for the product to be measured, and to the product to be measured
Send more new procedures.
3. test board as described in claim 1, which is characterized in that the test board further includes voltage transformation module, the electricity
Pressure modular converter connects the Micro USB connectors and connects each inside chip of the test board, and the test board leads to
It crosses the Micro USB connectors and obtains input voltage from the test main frame；
The voltage transformation module is the test board for carrying out voltage conversion to the input voltage of the test main frame
Each inside chip provides operating voltage.
4. test board as claimed in claim 3, which is characterized in that the test board further includes state handover module, the shape
State handover module connects the voltage transformation module and the 2nd Type-C connectors, for stirring operation to institute according to user
Stating the 2nd Type-C connectors output high level, either low level controls the product to be measured to enter test mode or update shape
State.
5. test board as claimed in claim 4, which is characterized in that the test board further includes voltage indicating module, the electricity
Pressure indicating module is made of multiple light emitting diodes and corresponding build-out resistor, and there are one light-emitting diodes for each voltage correspondence
Pipe, when some lumination of light emitting diode, indicates that corresponding voltage has powered on.
6. test board as claimed in claim 3, which is characterized in that the voltage transformation module includes the first electricity that 5V turns 3.3V
Pressure conversion chip and 3.3V turn the second voltage conversion chip of 1.8V.
7. test board as claimed in claim 6, which is characterized in that jumper cap position there are one being reserved in the voltage transformation module
It puts；
The jumper cap, for the 5V voltages from the test main frame to be supplied to the production to be measured directly as external power supply
Product.
8. test board as described in claim 1, which is characterized in that the signal conversion module turns UART bridge joints for a kind of USB
Device controller.
9. test board as claimed in claim 8, which is characterized in that the voltage of the input signal of the signal conversion module exists
1.8V is to adjustable in the range of the reference voltage level of product to be measured.
10. test board as claimed in claim 4, which is characterized in that the state handover module is switched using SS-1290.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158880.0U CN207457368U (en) | 2017-09-11 | 2017-09-11 | A kind of test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158880.0U CN207457368U (en) | 2017-09-11 | 2017-09-11 | A kind of test board |
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| Publication Number | Publication Date |
|---|---|
| CN207457368U true CN207457368U (en) | 2018-06-05 |
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ID=62282955
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| CN201721158880.0U Active CN207457368U (en) | 2017-09-11 | 2017-09-11 | A kind of test board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515341A (en) * | 2017-09-11 | 2017-12-26 | 歌尔科技有限公司 | A kind of test board |
| CN112583327A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Motor controller, motor debugging system and method |
-
2017
- 2017-09-11 CN CN201721158880.0U patent/CN207457368U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515341A (en) * | 2017-09-11 | 2017-12-26 | 歌尔科技有限公司 | A kind of test board |
| CN107515341B (en) * | 2017-09-11 | 2024-04-02 | 歌尔科技有限公司 | Test board |
| CN112583327A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Motor controller, motor debugging system and method |
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