CN205643660U - QC2. 0 fills electrical detection circuitry fast - Google Patents
QC2. 0 fills electrical detection circuitry fast Download PDFInfo
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- CN205643660U CN205643660U CN201620490185.3U CN201620490185U CN205643660U CN 205643660 U CN205643660 U CN 205643660U CN 201620490185 U CN201620490185 U CN 201620490185U CN 205643660 U CN205643660 U CN 205643660U
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Abstract
The utility model discloses a QC2.0 fills electrical detection circuitry fast, QC2.0 fills electrical detection circuitry fast includes: LDO supply circuit module, analog output circuit module, analog output control circuit module, button and pilot lamp circuit module, button and pilot lamp detection and control circuit module, the LDO supply circuit module detects with analog output control circuit module, button and pilot lamp and control circuit module is connected, analog output circuit module is connected with analog output control circuit module electricity, button and pilot lamp detection and control circuit module and analog output control circuit module, button and pilot lamp circuit module are connected. The utility model discloses a D+ and the D of simulation QC2.0 quick charge smart mobile phone communication level signal to reach test inspection QC2.0 charger or portable power source product and whether can satisfy QC2.0 and fill agreement design needs soon, improved and produced quality control in the production process and survey efficiency, reduction in production cost, promotion product quality.
Description
Technical field
This utility model relates to QC2.0 quick charge testing circuit technical field, particularly relates to a kind of QC2.0 quick charge testing circuit.
Background technology
After mobile phone enters into the smart mobile phone epoch, mobile phone develops rapidly in hardware configuration, but mobile phone continuation of the journey all the time but becomes the manufacturing short slab of mobile phone.In the case of battery technology cannot be broken through, most of cell phone manufacturers select to increase battery capacity and improve flying power, and this mode the most fundamentally solves quickly charging battery problem.High pass is proposed rapid nitriding, improves Consumer's Experience effect reducing the charging interval of mobile phone.High pass QC2.0 uses the principle that voltage and electric current are all carried out increase.Charging voltage is brought up to 9V/12V/20V from 5V by it, and charging current is then to be increased to 1.6A/2A by 1A.And in order to prevent early version mobile phone or portable power source from being caused damage when charging by super-high-current or voltage, the quick charge of QC2.0 have employed more optimal circuit design, and use power supply adaptor or the portable power source of QC2.0 technology, the smart mobile phone that then can allow compatible QC agreement is used safely, the charger of bigger charge power raises speed for mobile phone or portable power source to charge, and also needs to add a special IC and judge whether compatible QC2.0 agreement in the middle of charger or portable power source.
Existing QC2.0 charger or portable power source manufacturer, run into produces detection bottleneck is how to differentiate whether produced product meets design standard compatibility QC2.0 charge protocol, prior art is typically by cell phone apparatus test checking, testing cost is higher, detection efficiency is low, and this utility model is puted forth effort to solve this problem.
Utility model content
For solving the problems referred to above, the utility model discloses a kind of QC2.0 quick charge testing circuit and detection method, described QC2.0 quick charge testing circuit includes:
LDO power supply circuits module, analog output circuit module, simulation output control circuit module, button and indicator light circuit module, button and display lamp detection and control circuit module；
Described button and display lamp detection and control circuit module include MCU main control chip, and described LDO power supply circuits module provides for described MCU main control chip stablize input voltage, holding MCU main control chip can in test process steady operation；
Described analog output circuit module, for MCU main control chip provides control analog output circuit, reaches voltage effect, is responsible for and tests the Handshake Protocol that product is carried out, and feed back to control circuit；
Described simulation output control circuit module is detected by 3 groups of analog input voltages, and feedback test information is to MCU main control chip；
Described button and indicator light circuit module are controlled by MCU main control chip, show test result information with the different colours of display lamp；
Described button and display lamp detection and control circuit module include MCU main control chip, by with logical process chip communication, after feedback information calculation process control indicator light circuit.
Described LDO power supply circuits module is connected with simulation output control circuit module, button and display lamp detection and control circuit module, described analog output circuit module electrically connects with simulation output control circuit module, and described button and display lamp detection and control circuit module are connected with simulation output control circuit module, button and indicator light circuit module.
Further, the input voltage VCC of described LDO power supply circuits module is 5V, 9V, 12V, 20V, and maximum input current is 2.4A, and output voltage is 3.3V.
Further, the output voltage of described analog output circuit module has Three models: VIN1, VIN2, VIN3, described analog output circuit module is by voltage output extremely described simulation output control circuit module.
Further, the logical process chip of described simulation output control circuit module is processed by electric resistance partial pressure, voltage signal is supplied to two communications pin DP, DM of USB output port, the DP port output of described analog output circuit module output port D+ simulation USB output port, the DM port output of described analog output circuit module output port D-simulation USB output port, the output voltage of described DP and DM has four kinds of combinations: DM=0V, DP=0.6V；DM=0.6V、DP=3.3V；DM=0.6V、DP=0.6V；DM=3.3V、DP=3.3V.
Further, the MCU main control chip of described button and display lamp detection and control circuit module is F75387, SCL-S, SDA-S pin output of described MCU main control chip controls the logical process chip of simulation output control circuit module, and described simulation output control circuit module logic processes chip and will feed back to button and display lamp detection and the MCU main control chip of control circuit module by SCL-S, SDA-S pin of described MCU main control chip.
Further, described button and indicator light circuit module test circuit be unsatisfactory for QC2.0 quick time, display lamp is shown in red, described button and indicator light circuit module test circuit meet QC2.0 quick time, display lamp is shown in green.
Embodiment of the present utility model also provides for the method for testing of a kind of QC2.0 quick charge testing circuit, comprises the following steps:
QC2.0 quick charge testing circuit is accessed Smartphone device, D+, D-analog output voltage of the analog output circuit module of detection QC2.0 quick charge testing circuit；
Whether detection D+, D-analog output voltage and USB output port voltage meet the voltage standard of every one-level QC2.0 quick charge；
If it is satisfied, then enter next stage detection, if be unsatisfactory for, return upper level detection.
Further, whether described detection D+, D-analog output voltage and USB output port voltage meet the voltage standard of every one-level QC2.0 quick charge and include:
Under 5V output mode, detect whether to meet: D+ output voltage be 0.6V, D-output voltage be 0V, USB output port voltage be 5V；
If it is, the display lamp prompting of button and indicator light circuit module, QC2.0 quick charge testing circuit enters 9V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module, charging circuit is unsatisfactory for QC2.0 quick charge；
Under 9V precharge mode, detect whether to meet: D+ output voltage be 3.3V, D-output voltage be 0.6V, USB output port voltage be 9V；
If it is, the display lamp prompting of button and indicator light circuit module, QC2.0 quick charge testing circuit enters 12V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module, 5V output mode return by charging circuit；
Under 12V precharge mode, detect whether to meet: D+ output voltage 0.6V, D-output voltage 0.6V, USB output port voltage is 12V；
If it is, the display lamp prompting of button and indicator light circuit module, QC2.0 quick charge testing circuit enters 20V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module, 9V output mode return by charging circuit；
Under 20V precharge mode, detect whether to meet: D+ output voltage 3.3V, D-output voltage 3.3V, USB output port voltage is 20V；
If it is, the display lamp prompting of button and indicator light circuit module, testing circuit meets QC2.0 quick charge requirement；Otherwise, the display lamp shiny red of button and indicator light circuit module, 12V output mode return by charging circuit.
Compared with prior art, this utility model includes advantages below:
This utility model is by simulating D+ and the D-communication level signal of QC2.0 quick-charging intelligent mobile phone, to reach whether test verification QC2.0 charger or portable power source product disclosure satisfy that QC2.0 fills Protocol Design needs soon, improve Product checking efficiency in production process, reduce production cost, improving product quality.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, introduce the accompanying drawing used in embodiment or description of the prior art is done one simply below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 2 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 3 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 4 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 5 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 6 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model；
Fig. 7 is the schematic flow sheet of an embodiment of the detection method of QC2.0 quick charge testing circuit of the present utility model；
Fig. 8 is the schematic flow sheet of another embodiment of the detection method of QC2.0 quick charge testing circuit of the present utility model.
In figure: 1
LDO power supply circuits module, 2 analog output circuit modules, 3 simulation output control circuit modules, 4 buttons and indicator light circuit module, 5 buttons and display lamp detection and control circuit module.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
A kind of QC2.0 quick charge testing circuit provided this utility model with embodiment below in conjunction with the accompanying drawings and detection method illustrate in greater detail.
Fig. 1 is the structural representation of an embodiment of QC2.0 quick charge testing circuit of the present utility model, as it is shown in figure 1, this QC2.0 quick charge testing circuit includes:
LDO power supply circuits module 1, analog output circuit module 2, simulation output control circuit module 3, button and indicator light circuit module 4, button and display lamp detection and control circuit module 5；
Described button and display lamp detection and control circuit module 5 include MCU main control chip, and described LDO power supply circuits module 1 provides for described MCU main control chip stablize input voltage, holding MCU main control chip can in test process steady operation；
Described analog output circuit module 2, for MCU main control chip provides control analog output circuit, reaches voltage effect, is responsible for and tests the Handshake Protocol that product is carried out, and feed back to control circuit；
Described simulation output control circuit module 3 is detected by three groups of analog input voltages, and feedback test information is to MCU main control chip；
Described button and indicator light circuit module 4 are controlled by MCU main control chip, show test result information with the different colours of display lamp；
Described button and display lamp detection and control circuit module 5 include MCU main control chip, by with logical process chip communication, after feedback information calculation process control indicator light circuit.
Described LDO power supply circuits module 1 is connected with simulation output control circuit module 3, button and display lamp detection and control circuit module 5, described analog output circuit module 2 electrically connects with simulation output control circuit module 3, and described button and display lamp detection and control circuit module 5 are connected with simulation output control circuit module 3, button and indicator light circuit module 4
Fig. 2 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 2, the input voltage VCC of described LDO power supply circuits module 1 is 5V, 9V, 12V, 20V, maximum input current is 2.4A, output voltage be the Control of Voltage chip of 3.3V, LDO power supply circuits module be LM317 chip.
Fig. 3 is the structural representation of the further embodiment of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 3, the output voltage of described analog output circuit module 2 has a Three models: VIN1, VIN2, VIN3, described analog output circuit module 2 is by voltage output extremely described simulation output control circuit module 3, VIN1 output connects the communication pin DP of USB output port, output voltage is 0-3.3V, VIN2 output connects the communication pin DM of USB output port, output voltage is 0-3.3V, VIN3 output connects VCC, and output voltage is 0-22V.
Fig. 4 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 4, the logical process chip of described simulation output control circuit module 3 is processed by electric resistance partial pressure, voltage signal is supplied to two communications pin DP, DM of USB output port, the DP port output of described analog output circuit module 2 output port D+ simulation USB output port, the DM port output of described analog output circuit module 2 output port D-simulation USB output port, the output voltage of described DP and DM has four kinds of combinations: DM=0V, DP=0.6V；DM=0.6V、DP=3.3V；DM=0.6V、DP=0.6V；DM=3.3V、DP=3.3V.
Fig. 5 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 5, the MCU main control chip of described button and display lamp detection and control circuit module 5 is F75387, SCL-S, SDA-S pin output of described MCU main control chip controls the logical process chip of simulation output control circuit module, and described simulation output control circuit module logic processes chip and will feed back to button and display lamp detection and the MCU main control chip of control circuit module by SCL-S, SDA-S pin of described MCU main control chip.
F75387 chip is system hardware monitoring and automatic rotating speed control integrated circuit, the hardware parameter system of several keys that F75387 chip can monitor, including voltage, temperature etc., the integrated digital analog converter (ADC) of F75387 chip internal, 4 groups of analog input voltages can be monitored, 3 groups of input temps, chip supports PWM Responsibility Model (PWMOUT), chip has internal oscillator and external clock can be used to input, all parameters and the monitoring of upper and lower bound alarm threshold value can be set, by BIOS or application software, can be with the reading system all of monitoring parameter time.
Fig. 6 is the structural representation of another embodiment of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 6, described button and indicator light circuit module 4 test circuit be unsatisfactory for QC2.0 quick time, display lamp is shown in red, described button and indicator light circuit module 4 test circuit meet QC2.0 quick time, display lamp is shown in green.A total of 9 of described display lamp, is divided into: PASS, FAIL, 1A, 2.1A, 2.4A, 5V, 9V, 12V, 20V, shows corresponding state respectively under corresponding pattern.
Embodiment of the present utility model also provides for the method for testing of a kind of QC2.0 quick charge testing circuit, and Fig. 7 is the schematic flow sheet of an embodiment of the detection method of QC2.0 quick charge testing circuit of the present utility model, as it is shown in fig. 7, described method includes:
S10: QC2.0 quick charge testing circuit is accessed Smartphone device, D+, D-analog output voltage of the analog output circuit module 1 of detection QC2.0 quick charge testing circuit；
S20: whether detection D+, D-analog output voltage and USB output port voltage meet the voltage standard of every one-level QC2.0 quick charge；
S30: if it is satisfied, then enter next stage detection, if be unsatisfactory for, return upper level detection.
Fig. 8 is the schematic flow sheet of another embodiment of the detection method of QC2.0 quick charge testing circuit of the present utility model, as shown in Figure 8, whether described detection D+, D-analog output voltage and USB output port voltage meet the voltage standard of every one-level QC2.0 quick charge and include:
Under 5V output mode, detect whether to meet: D+ output voltage be 0.6V, D-output voltage be 0V, USB output port voltage be 5V；
If it is, the display lamp prompting of button and indicator light circuit module 4, QC2.0 quick charge testing circuit enters 9V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module 4, charging circuit is unsatisfactory for QC2.0 quick charge；
Under 9V precharge mode, detect whether to meet: D+ output voltage be 3.3V, D-output voltage be 0.6V, USB output port voltage be 9V；
If it is, the display lamp prompting of button and indicator light circuit module 4, QC2.0 quick charge testing circuit enters 12V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module 4,5V output mode return by charging circuit；
Under 12V precharge mode, detect whether to meet: D+ output voltage 0.6V, D-output voltage 0.6V, USB output port voltage is 12V；
If it is, the display lamp prompting of button and indicator light circuit module 4, QC2.0 quick charge testing circuit enters 20V precharge mode；Otherwise, the display lamp shiny red of button and indicator light circuit module 4,9V output mode return by charging circuit；
Under 20V precharge mode, detect whether to meet: D+ output voltage 3.3V, D-output voltage 3.3V, USB output port voltage is 20V；
If it is, the display lamp prompting of button and indicator light circuit module 4, testing circuit meets QC2.0 quick charge requirement；Otherwise, the display lamp shiny red of button and indicator light circuit module 4,12V output mode return by charging circuit.
Above a kind of QC2.0 quick charge testing circuit provided by the utility model and detection method are described in detail, principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, the most all will change, in sum, this specification content should not be construed as restriction of the present utility model.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; it is not limited to this utility model; although this utility model being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; all within spirit of the present utility model and principle; the any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (6)
1. a QC2.0 quick charge testing circuit, it is characterised in that including: LDO power supply circuits module, analog output circuit module, simulation output control circuit module, button and indicator light circuit module, button and display lamp detection and control circuit module；
Described button and display lamp detection and control circuit module include MCU main control chip, and described LDO power supply circuits module provides for described MCU main control chip stablize input voltage, holding MCU main control chip can in test process steady operation；
Described analog output circuit module, for MCU main control chip provides control analog output circuit, reaches voltage effect, is responsible for and tests the Handshake Protocol that product is carried out, and feed back to control circuit；
Described simulation output control circuit module is detected by 3 groups of analog input voltages, and feedback test information is to MCU main control chip；
Described button and indicator light circuit module are controlled by MCU main control chip, show test result information with the different colours of display lamp；
Described button and display lamp detection and control circuit module include MCU main control chip, by with logical process chip communication, after feedback information calculation process control indicator light circuit；
Described LDO power supply circuits module is connected with simulation output control circuit module, button and display lamp detection and control circuit module, described analog output circuit module electrically connects with simulation output control circuit module, and described button and display lamp detection and control circuit module are connected with simulation output control circuit module, button and indicator light circuit module.
QC2.0 quick charge testing circuit the most according to claim 1, it is characterised in that the input voltage VCC of described LDO power supply circuits module is 5V, 9V, 12V, 20V, maximum input current is 2.4A, and output voltage is 3.3V.
QC2.0 quick charge testing circuit the most according to claim 1, it is characterized in that, the output voltage of described analog output circuit module has Three models: VIN1, VIN2, VIN3, described analog output circuit module is by voltage output extremely described simulation output control circuit module.
4. according to the QC2.0 quick charge testing circuit described in claim 1 or 3, it is characterized in that, the logical process chip of described simulation output control circuit module is processed by electric resistance partial pressure, voltage signal is supplied to two communications pin DP, DM of USB output port, the DP port output of described analog output circuit module output port D+ simulation USB output port, the DM port output of described analog output circuit module output port D-simulation USB output port, the output voltage of described DP and DM has four kinds of combinations: DM=0V, DP=0.6V；DM=0.6V、DP=3.3V；DM=0.6V、DP=0.6V；DM=3.3V、DP=3.3V.
QC2.0 quick charge testing circuit the most according to claim 1, it is characterized in that, the MCU main control chip of described button and display lamp detection and control circuit module is F75387, SCL-S, SDA-S pin output of described MCU main control chip controls the logical process chip of simulation output control circuit module, and described simulation output control circuit module logic processes chip and will feed back to button and display lamp detection and the MCU main control chip of control circuit module by SCL-S, SDA-S pin of described MCU main control chip.
QC2.0 quick charge testing circuit the most according to claim 1, it is characterized in that, described button and indicator light circuit module test circuit be unsatisfactory for QC2.0 quick time, display lamp is shown in red, described button and indicator light circuit module test circuit meet QC2.0 quick time, display lamp is shown in green.
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| CN201620490185.3U CN205643660U (en) | 2016-05-25 | 2016-05-25 | QC2. 0 fills electrical detection circuitry fast |
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| CN201620490185.3U CN205643660U (en) | 2016-05-25 | 2016-05-25 | QC2. 0 fills electrical detection circuitry fast |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891736A (en) * | 2016-05-25 | 2016-08-24 | 东莞博力威新能源有限公司 | QC2.0 fast charge detection circuit and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891736A (en) * | 2016-05-25 | 2016-08-24 | 东莞博力威新能源有限公司 | QC2.0 fast charge detection circuit and detection method |
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