CN217901961U - Burn-in test power supply and signal output device - Google Patents
Burn-in test power supply and signal output device Download PDFInfo
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- CN217901961U CN217901961U CN202222111681.1U CN202222111681U CN217901961U CN 217901961 U CN217901961 U CN 217901961U CN 202222111681 U CN202222111681 U CN 202222111681U CN 217901961 U CN217901961 U CN 217901961U
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Abstract
The utility model relates to the technical field of burn-in tests, in particular to a power supply and signal output device for burn-in tests, which comprises a power supply output module and a signal driving bottom plate; the upper part of the power output module is provided with a power conversion circuit, peripheral components and radiating fins; the bottom of the power output module is provided with a positioning bus bar for being arranged on the signal driving bottom plate; the signal driving bottom plate is provided with a positioning pin header which is used for being connected with a positioning pin header on the power output module in an inserting manner; and the signal driving bottom plate is provided with an external power supply input port, a driving signal access port and a voltage display unit. Through the adjustment to voltage and current and the passageway formula of input drive signal divide, fully satisfied the actual demand of the experimental heavy current of burn-in to combine the passageway of current burn-in proof box equipment, the effectual utilization ratio that improves signal channel and the stability of signal. Hardware resources required by the burn-in test are saved, and meanwhile, the reliability of the burn-in test is greatly improved.
Description
Technical Field
The utility model relates to an experimental technical field of burn-in, in particular to experimental power and signal output device of burn-in.
Background
Burn-in of integrated circuits is performed to screen or reject marginally qualified devices that either have inherent defects or have defects resulting from improper control of their fabrication process that can cause failures associated with time and stress conditions. Burn-in testing requires stressing the circuit during testing with or at maximum rated operating conditions to ensure reliability of the integrated circuit.
In the batch burn-in test, the number of tested circuits is linearly related to the current supply capacity of the power supply equipment, and along with the rise of the temperature, the power supply equipment is required to have enough power consumption redundant space to deal with the current increase phenomenon caused by the temperature rise. And the inherent aging test box signal output channel is relatively fixed, and the diversified requirements of the circuit on aging test signals cannot be flexibly met. Therefore, the inherent power supply equipment and burn-in test box cannot efficiently meet the rapidly increasing burn-in test requirements.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a power supply and signal output device for burn-in test, which aims to solve the problem that the mass and reliability of the burn-in test of an integrated circuit are limited due to the insufficient capabilities of inherent power supply equipment and a burn-in test box; through the adjustment to voltage and current and the passageway formula division of input drive signal, fully provided the actual demand of smelting experimental heavy current always to combine the passageway of current test box equipment always, the effectual utilization ratio that improves signal channel and the stability of signal. Hardware resources required by the burn-in test are saved, and meanwhile, the reliability of the burn-in test is greatly improved.
The utility model discloses a following technical scheme realizes:
a power supply and signal output device for burn-in test comprises a power supply output module and a signal driving bottom plate; the upper part of the power output module is provided with a power conversion circuit, peripheral components and radiating fins; the bottom of the power output module is provided with a positioning bus bar which is used for being arranged on the signal driving bottom plate; the signal driving bottom plate is provided with a positioning pin header which is used for being connected with a positioning pin header on the power output module in an inserting manner; and the signal driving bottom plate is provided with an external power supply input port, a driving signal access port and a voltage display unit.
172 golden finger channels are arranged on the signal driving bottom plate, wherein the 18 golden finger channels at the leftmost end are divided into power channels which are wired through corresponding power layers and are interconnected with the power output module; the rightmost end 8-path golden finger channel is set as a public ground end; the other golden finger channels are wired through the PCB, are connected to the signal transfer interface in a one-to-one correspondence manner, and are finally connected to corresponding signal output sources (such as devices like signal sources and the like) through the signal transfer interface;
and the power output module is provided with an adjustable high-precision resistor so as to adjust voltage output in time in the test process.
Preferably, the power output modules are divided into single-path output and double-path output, and at most two power output modules can be carried on the signal driving bottom plate.
Preferably, when the power output module is single-path output, the voltage output range is 0.6V-5.5V, and the maximum output current can reach 50A, so that the requirement of the burn-in test on the ultra-large current is met.
Preferably, when the power output module is used for dual-path output, the voltage output range is 0.6V-5.5V, and the maximum output current can reach 25A, so that the common current requirement of the burn-in test is met.
Preferably, the power output module and the signal driving bottom plate are selected from industrial grade and above.
Compared with the prior art, the utility model, it is showing the advantage and is:
the utility model adopts the modular design, enriches the selectivity of the condition applied by the aging test hardware, improves the output capacity of the power supply, and meets the actual requirement of the test; the high-precision adjustable resistor can test the fine tuning of the input voltage; the voltage display unit can meet the requirement of real-time monitoring of the test process; the design of selecting the golden finger with the full pin and selectable performance increases the flexibility of selecting the aging test signal channel, thereby greatly enhancing the universality of the device.
The utility model discloses simple structure, novelty, reasonable in design, convenient to use have stronger practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the layout schematic diagram of the power output module and the signal driving bottom plate of the utility model.
Fig. 2 is the layout diagram of the middle power output module of the present invention.
In the figure: 1-a power output module, 2-a signal driving bottom plate and 3-an external power input port; 4-drive signal access port, 5-voltage display unit; 6-golden finger channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, a power supply and signal output device for burn-in test includes a power supply output module 1 and a signal driving bottom plate 2; the upper part of the power output module 1 is provided with a power conversion circuit, peripheral components and radiating fins; the bottom of the power output module 1 is provided with a positioning bus bar which is used for being arranged on the signal driving bottom plate 2; the signal driving bottom plate 2 is provided with a positioning pin array which is used for being connected with a positioning pin array on the power output module 1 in an inserting way; the signal driving bottom plate 2 is provided with an external power input port 3, a driving signal access port 4 and a voltage display unit 5. 172 golden finger channels 6 are arranged on the signal driving bottom plate 2, wherein the 18 golden finger channels 6 at the leftmost end are divided into power channels which are wired through corresponding power layers and are interconnected with the power output module 1; the rightmost end 8-path golden finger channel 6 is set as a public ground end; the other golden finger channels 6 are wired through the PCB, are connected to the signal transfer interfaces in a one-to-one correspondence manner, and are finally connected to corresponding signal output sources (such as devices like signal sources and the like) through the signal transfer interfaces; the power output module 1 is provided with an adjustable high-precision resistor so as to adjust the voltage output in time in the test process.
The power output module 1 is divided into single-path output and double-path output, and at most two power output modules 1 can be carried on the signal driving bottom plate 2.
When the power output module 1 is single-path output, the voltage output range is 0.6V-5.5V, the maximum output current can reach 50A, and the power output module is used for meeting the requirement of the aging test on ultra-large current. When the power output module 1 is in double-path output, the voltage output range is 0.6V-5.5V, the maximum output current can reach 25A, and the power output module is used for meeting the general current requirement of the burn-in test.
The power output module 1 and the signal driving bottom plate 2 are selected from industrial grade and above. The power output module 1 and the signal driving bottom plate 2 need high TG value, the surface process is gold-plated, and the gold finger part needs to be plated with hard gold
Specifically, the main material of the power supply and signal output device for the aging test is glass fiber cloth-based CCL (CCL epoxy resin) (FR-4). The power module and the signal driving bottom plate 2 adopt a pi-shaped pin (female) combination, so that the plugging stability is ensured, and the risk of reverse plugging in the direction is avoided.
Use the utility model provides a burn-in test's power and signal output device carries out the step that the stress condition was applyed to burn-in test as follows:
firstly, selecting a power output module 1 with a proper range according to test requirements;
secondly, the power output module 1 is connected with the signal driving bottom plate 2 in an inserting mode and supplies power to the signal driving bottom plate 2;
thirdly, adjusting the assembled high-precision adjustable resistor on the power output module 1 according to the voltage display unit 5, and accurately controlling the output voltage;
fourthly, applying a driving signal on the signal driving bottom plate 2, and selecting a proper channel according to the test requirement;
and fifthly, butting the test board with the tested integrated circuit through a golden finger.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A power supply and signal output device for burn-in test comprises a power supply output module and a signal driving bottom plate; the power output module is characterized in that a power conversion circuit, peripheral components and radiating fins are arranged at the upper part of the power output module; the bottom of the power output module is provided with a positioning bus bar which is used for being arranged on the signal driving bottom plate; the signal driving bottom plate is provided with a positioning pin header which is used for being connected with a positioning pin header on the power output module in an inserting manner; the signal driving bottom plate is provided with an external power supply input port, a driving signal access port and a voltage display unit;
172 golden finger channels are arranged on the signal driving bottom plate, wherein the 18 golden finger channels at the leftmost end are divided into power channels which are wired through corresponding power layers and are interconnected with the power output module; the rightmost end 8 golden finger channels are set as a public ground end; the other golden finger channels are wired through the PCB, are connected to the signal transfer interfaces in a one-to-one correspondence manner, and are finally connected to corresponding signal output sources through the signal transfer interfaces;
the power output module is provided with an adjustable high-precision resistor so as to adjust voltage output in time in the test process.
2. The device for outputting power and signals for the burn-in test of claim 1, wherein the power output modules are divided into a single output and a double output, and at most two power output modules are carried on the signal driving base plate.
3. The power supply and signal output device for the burn-in test of claim 2, wherein when the power supply output module is a single-path output, the voltage output range is 0.6V-5.5V, and the maximum output current is 50A, so as to meet the requirement of the burn-in test on extra-high current.
4. The power supply and signal output device for the burn-in test according to claim 2, wherein when the power supply output module is used for outputting in two ways, the voltage output range is 0.6V-5.5V, and the maximum output current is 25A, so that the general current requirement of the burn-in test can be met.
5. The apparatus of claim 1, wherein the power output module and the signal driving board are selected from industrial-grade and above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222111681.1U CN217901961U (en) | 2022-08-11 | 2022-08-11 | Burn-in test power supply and signal output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222111681.1U CN217901961U (en) | 2022-08-11 | 2022-08-11 | Burn-in test power supply and signal output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217901961U true CN217901961U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222111681.1U Active CN217901961U (en) | 2022-08-11 | 2022-08-11 | Burn-in test power supply and signal output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217901961U (en) |
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2022
- 2022-08-11 CN CN202222111681.1U patent/CN217901961U/en active Active
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