CN206834813U - The charger that each class of electronic devices can share - Google Patents
The charger that each class of electronic devices can share Download PDFInfo
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- CN206834813U CN206834813U CN201720552843.1U CN201720552843U CN206834813U CN 206834813 U CN206834813 U CN 206834813U CN 201720552843 U CN201720552843 U CN 201720552843U CN 206834813 U CN206834813 U CN 206834813U
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Abstract
The utility model discloses the charger that a kind of each class of electronic devices can share, including：One TYPE C interface, an output control circuit, the charge parameter include current parameters and voltage parameter；One is used for parameter adjustment circuit；One high frequency transformer；One on-off circuit；An and circuit of synchronous rectification；Wherein, the output control circuit is connected with TYPE C interface, the parameter adjustment circuit is connected with output control circuit, high frequency transformer is connected with parameter adjustment circuit and TYPE C interface respectively, circuit of synchronous rectification is connected with output control circuit and high frequency transformer respectively, on-off circuit is connected with circuit of synchronous rectification, output control circuit and TYPE C interface respectively, to meet the charge requirement of each class of electronic devices, the intelligentized different capacity demand according to electronic equipment exports to automatically adjust electric energy, effectively save resource.
Description
Technical field
Field of circuit technology is the utility model is related to, more particularly to a kind of charger.
Background technology
With the fast development of Internet technology, electronic equipment on the market is more and more, and the species of electronic equipment is also got over
Come it is more, e.g., mobile phone, tablet personal computer, notebook computer, flat panel TV etc..In use, these electronic equipments must make
Power supply is provided with charger or is charged in advance using charger, just can guarantee that start normal work.
Because each class of electronic devices is different to the demand of charging voltage/charge power and each class of electronic devices charging inlet
Standard is different, is typically all that a class of electronic devices corresponds to a kind of charger at present, e.g., charger for mobile phone can only charge the phone,
Tablet personal computer charger can only charge to tablet personal computer, flat panel TV charger can only charge to flat panel TV etc., all kinds of chargings
Device can not be used with, and often buying an electronic equipment with this consumer is required for buying a charger simultaneously, further, since electronics
The quick renewal of equipment, the frequency of consumer's purchase improve, cause the charger that consumer buys to be doubled and redoubled, not only make therewith
Into great waste and great inconvenience is brought to consumer, generally requires to carry multiple chargers when especially outgoing.
Utility model content
The technical problems to be solved in the utility model is to provide the charger that a kind of each class of electronic devices can share.
The charger that a kind of each class of electronic devices can share, including：
The one TYPE-C interfaces for being connected with possessing the charging equipment of TYPE-C interfaces,
One is used for the charge parameter according to needed for the charging equipment of TYPE-C interfaces acquisition and with this output control signal
Output control circuit, the charge parameter include current parameters and voltage parameter；
The one control signal adjustment for being used to be fed back according to output control circuit exports the parameter adjustment circuit of pulse；
One is used for the charge parameter according to needed for the output impulse transfer of parameter adjustment circuit is charging equipment and passes through
TYPE-C interfaces are the high frequency transformer of charging equipment power supply；
One circuit of synchronous rectification；Wherein,
The output control circuit is connected with TYPE-C interfaces, and the parameter adjustment circuit is connected with output control circuit,
High frequency transformer is connected with parameter adjustment circuit and TYPE-C interfaces respectively, circuit of synchronous rectification respectively with high frequency transformer,
Output control circuit and high frequency transformer connection.
In the technical program, the charge parameter of electronic equipment is gathered by output control circuit, is believed with this output control
The output pulse (controlling the primary electric energy of whole power supply loop to export) of number adjusting parameter adjustment circuit, and then control high frequency transformation
The output of device, the control adjustment to the whole power supply loop output parameter of charger is realized, meet the charging need of each class of electronic devices
Ask, including but not limited to (use can support two-sided positive and negative patch for mobile phone, tablet personal computer, notebook computer, flat panel TV etc.
Type-C interfaces, the maximum electric energy transmission quantity for being up to 100W can be provided by Type-C cables, realize to notebook computer, put down
The big power supply for electrical equipment that plate TV etc. can not be powered by charger in the past).Specifically, will entirely be charged in output control circuit
The output power of device be 10W (watt), 18W, 36W, 60W and 100W Pyatyi " specification ", wherein voltage include 5V, 9V, 15V and
20V, electric current include 1.5A, 2A, 3A and 5A, and configuration is flexible, to meet the charge requirement of each class of electronic devices, intelligentized basis
The different capacity demand of electronic equipment exports to automatically adjust electric energy, and user is different without being bought for different electronic equipments
Charger, effectively save resource, while provide the user facility realizes the quick, intelligent charging of electronic equipment.
It is used for it is further preferred that also including one in the charger that each class of electronic devices can share by output control electricity
The control signal of road output feeds back to the photoelectrical coupler of parameter adjustment circuit, and the photoelectrical coupler is controlled with the output respectively
Circuit processed connects with parameter adjustment circuit.
It is further preferred that also include in the charger that each class of electronic devices can share whole in charger for sampling
The parameter sampling circuit of charge parameter in individual power supply loop, the parameter sampling circuit are connected with output control circuit.
It is further preferred that the parameter sampling circuit include one be used for sample rate current parameter current sampling circuit and
One be used for sampled voltage parameter voltage sampling circuit, the current sampling circuit and voltage sampling circuit respectively with output control
Circuit is connected, and the current sampling circuit is also connected with on-off circuit and circuit of synchronous rectification respectively.
In the technical program, joined by the current parameters in parameter sampling circuit real-time sampling power supply loop and voltage
Number, real-time monitoring of the output control circuit to current/voltage in power supply loop is realized with this, meet outside electricity consumption requirement and when outer
Emergent management during portion's exception, improve the security performance of charger.
It is used to control whole power supply it is further preferred that also including one in the charger that each class of electronic devices can share
The on-off circuit of the break-make of loop, the on-off circuit respectively with high frequency transformer, circuit of synchronous rectification, output control circuit with
And TYPE-C interfaces connection.
It is further preferred that also include in the charger that each class of electronic devices can share：
TYPE-A interfaces, for being connected with possessing the charging equipment of TYPE-A interfaces, realize charger and charging equipment it
Between data communication, and for realizing the power supply of charger；
The DC voltage converting circuit being connected respectively with TYPE-A interfaces and on-off circuit, for high frequency transformer to be exported
Charge parameter be further converted into charge parameter needed for the charging equipment that is connected with TYPE-A interfaces.
It is further preferred that also including one in the charger that each class of electronic devices can share is used for identification and TYPE-A
The identification circuit of the charging equipment classification of interface connection, the identification circuit connect with DC voltage converting circuit and TYPE-A respectively
Mouth connection.
In the technical program, it is contemplated that the practicality of charger, while the TYPE-A for being equipped with common 5V/2.4A connects
Mouth meets the electronic equipment of stock market, while it can be the purpose that various electronic is charged to reach a charger, had
Effect eliminate the wasting of resources and reduce consumer because mistake use charger caused by accident probability, in addition, it is contemplated that cost and
The principle of optimality of charger volume, do not set again using single primary transformers all the way for the charging circuit of TYPE-A interfaces
Meter, but the output voltage of TYPE-C mouths is directly depressured to 5V outputs by DC voltage converting circuit, it is cost-effective.
It is further preferred that also include being connected in the charger lightning protection circuit between high frequency transformer and civil power,
EMI circuits, rectification circuit and filter circuit, the lightning protection circuit are connected with EMI circuits, the EMI circuits and rectification circuit
Connection, the rectification circuit are connected with filter circuit, and the filter circuit is connected with high frequency transformer.
It is further preferred that also including a high pressure for being used to improve light source of charger efficiency in the charger absorbs electricity
Road, the high pressure absorbing circuit are connected with filter circuit and high frequency transformer respectively.
In the technical program, the primary Anti-interference Design of charger ensure that the normal operation and security of charger
Energy.
Brief description of the drawings
The utility model is explained in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of embodiment schematic diagram of charger in the utility model；
Fig. 2 is charger another embodiment schematic diagram in the utility model；
Fig. 3 is charger another embodiment schematic diagram in the utility model；
Fig. 4 is charger another embodiment schematic diagram in the utility model；
Fig. 5 is the electricity of lightning protection circuit/EMI circuits/rectification circuit/filter circuit and high voltage electric energy absorbing circuit in example
Lu Tu；
Fig. 6 is the circuit diagram of parameter adjustment circuit in example；
Fig. 7 is the circuit diagram of output control circuit/parameter acquisition circuit/circuit of synchronous rectification/on-off circuit in example；
Fig. 8 is the circuit diagram of DC voltage converting circuit in example.
Reference：
110-TYPE-C interfaces, 120- output control circuits, 130- parameter adjustment circuits, 140- high frequency transformers, 150-
Photoelectrical coupler, 160- parameter sampling circuits, 170- circuit of synchronous rectification, 180- on-off circuits, 190-TYPE-A interfaces, 200-
DC voltage converting circuit.
Embodiment
A kind of embodiment signal of charger that can be shared for each class of electronic devices provided by the utility model as shown in Figure 1
Figure, it can be seen that including in the charger：TYPE-C interfaces 110, output control circuit 120, parameter adjustment circuit
130th, high frequency transformer 140 and circuit of synchronous rectification 170, wherein, output control circuit 120 is connected with TYPE-C interfaces 110,
Parameter adjustment circuit 130 is connected with output control circuit 120, high frequency transformer 140 respectively with parameter adjustment circuit 130 and
TYPE-C interfaces 110 connect, circuit of synchronous rectification 170 respectively with high frequency transformer 140, output control circuit 120 and high frequency
Transformer 140 connects.
In the present embodiment, TYPE-C interfaces 110 are used to be connected with possessing the electronic equipment of TYPE-C interfaces 110, real
Existing data between charger and electronic equipment communicate, and for realizing the power supply of charger.It is known that TYPE-C interfaces
110 can support positive anti-plug, and maximum current can reach 5A (ampere), be the standard interface of electronic equipment, current many electronic equipments,
Such as smart mobile phone, tablet personal computer use the type interface, and with this, the charger that present embodiment provides can be generally applicable
In all electronic equipments using TYPE-C interfaces 110 of in the market.
In the course of the work, after charger is connected by TYPE-C interfaces 110 with electronic equipment, output control is electric immediately
Row data communication is entered in road 120 by TYPE-C interfaces 110 and electronic equipment, is obtained with this by communication protocol needed for electronic equipment
Charge parameter (including current parameters and voltage parameter), afterwards by the digital analog converter in output control circuit 120 will wrap
Protocol signal containing charge parameter is converted to the control signal of analog quantity.Parameter adjustment circuit 130 receives output control circuit
After the control signal of 120 feedbacks, by exporting the break-make of the secondary windings of Pulse Width Control high frequency transformer 140, become with this high frequency
Charge parameter of the depressor 140 according to needed for the output impulse transfer is electronic equipment, controls the output of whole power supply loop, passes through
TYPE-C interfaces 110 realize the power supply of electronic equipment.In addition, output control circuit 120 is by exporting Pulse Width Control synchronous rectification
The break-make of circuit 170, current reflux is set to realize the backflow of electric current to high frequency transformer 140, obtain complete power supply loop.
In the present embodiment, output control circuit 120 includes a support PD (Power Delivery, power transmission association
View) 3.0 agreements control chip, output control circuit 120 enters row data communication by the protocol integrated test system chip and electronic equipment,
The protocol integrated test system chip obtains the charge parameter needed for electronic equipment by communication protocol, and passes through the protocol integrated test system chip internal
Digital analog converter the protocol signal comprising charge parameter is converted to the control signal of analog quantity, with this by the output of charger
Power Control is 10W, 18W, 36W, 60W and 100W Pyatyi " specification ", wherein, voltage includes 5V, 9V, 15V and 20V level Four, electricity
Stream include 1.5A, 2A, 3A and 5A level Four, to meet the charge requirement of each class of electronic devices, especially realize to notebook computer,
The power supply for the big electrical equipment that flat panel TV etc. can not be powered by charger in the past, the intelligentized difference according to electronic equipment
Power demand exports to automatically adjust electric energy.
In the present embodiment, a flyback control chip and a switching tube are included in parameter adjustment circuit 130, wherein,
Switching tube is connected with the output pin and high frequency transformer 140 of flyback control chip respectively.Specifically, when charger accesses AC220V
After AC power, oscillator inside the flyback control chip is started working and sends output pulse to opening by output pin
Guan Guan, the unlatching work of controlling switch pipe, so as to which high frequency transformer 140 is started working.Hereafter, when the feedback of flyback control chip
Pin receives the control signal of output control circuit 120, then adjusts the output pulse of flyback control chip according to the control signal
Dutycycle, control high frequency transformer 140 to convert obtained charge parameter with this.
Above-mentioned embodiment is improved to obtain present embodiment, in the present embodiment, output control circuit 120 is logical
Control signal is fed back to parameter adjustment circuit 130, i.e., the control exported output control circuit 120 by the mode for crossing photoelectric coupling
Signal is fed back in parameter adjustment circuit 130 by a photoelectrical coupler 150, as shown in Figure 2.
Above-mentioned embodiment is improved to obtain present embodiment, as shown in figure 3, in the present embodiment, charger
In except including TYPE-C interfaces 110, output control circuit 120, parameter adjustment circuit 130, high frequency transformer 140 and photoelectricity
Outside coupler 150, in addition to the parameter sampling circuit 160 being connected with output control circuit 120, it is whole in charger for sampling
Charge parameter in individual power supply loop, the charge parameter collected with this output control circuit 120 according to parameter sampling circuit 160
Realize the real-time monitoring to whole power supply loop.
More particularly, a current sampling circuit for being used for sample rate current parameter is included in the parameter sampling circuit 160
With one be used for sampled voltage parameter voltage sampling circuit, and the current sampling circuit and voltage sampling circuit respectively with output control
Circuit 120 processed connects.In addition, also include in charger electric with high frequency transformer 140, circuit of synchronous rectification, output control respectively
Road and the on-off circuit 180 of TYPE-C interfaces connection, the electric current that output control circuit 120 gathers according to current sampling circuit are joined
The break-make of numerical control circuit of synchronous rectification 170 and on-off circuit 180, the break-make of whole power supply loop is controlled with this.
In the course of the work, parameter sampling electricity is passed through for the electronic equipment of different capacity demand, output control circuit 120
Road 160 monitors voltage parameter/current parameters of whole power supply loop in real time, and controls its break-make, so as to meet 10W, 18W,
The output of 36W, 60W and 100W Pyatyi " specification ".Specifically, output control circuit 120 is monitored whole in real time by current sampling circuit
The size of current of individual power supply loop, if there is current anomaly, output control circuit 120 immediately turns off circuit of synchronous rectification 170
With on-off circuit 180, to terminate whole loop circulation.In addition, output control circuit 120 is electric to output by voltage sampling circuit
Pressure carries out real-time sampling, and by sampled voltage compared with protocol integrated test system chip internal reference voltage, judges output electricity with this
Whether pressure is abnormal.In addition, on-off circuit 180 is equally controlled by output control circuit 120, when external electronic device appearance is any different
Chang Shi, output control circuit 120 prevent charger upper by closing section on-off circuit 180 to cut off the power supply of charger, with this
Electric initial stage, the external output of voltage instability timing.
Above-mentioned embodiment is improved to obtain present embodiment, as shown in figure 4, in the present embodiment, charger
In except including TYPE-C interfaces 110, output control circuit 120, parameter adjustment circuit 130, high frequency transformer 140, photoelectricity coupling
Outside clutch 150, parameter sampling circuit 160, circuit of synchronous rectification 170 and on-off circuit 180, in addition to TYPE-A interfaces
190 and DC voltage converting circuit 200, wherein, TYPE-A interfaces 190 are used for possessing the electronic equipment of TYPE-A interfaces 190
Connection, realizes that the data between charger and electronic equipment communicate, and for realizing the power supply of charger；DC voltage conversion electricity
Road 200 is connected with TYPE-A interfaces 190 and on-off circuit 180 respectively, and the charge parameter for high frequency transformer 140 to be exported enters
One step is converted to the charge parameter needed for the electronic equipment being connected with TYPE-A interfaces 190.
Applicability in view of charger to electronic equipment in existing market, present embodiment provide charger with
On the basis of the TYPE-C interfaces 110 of PD3.0 agreements are met, increase the charging of 5V/2.4A TYPE-A interfaces 190
Delivery outlet, can also be to various 5V electronics with this user while being charged using the charger to PD electronic equipments
Equipment is charged, such as the most frequently used smart mobile phone, portable power source, digital camera, so as to greatly strengthen the charger
Applicability.
In circuit design, in the present embodiment, transforming circuit does not use transformation corresponding to the TYPE-A interfaces 190
Device carries out transformation and obtains the conventional design thinking of relevant voltage, but is directly made using the output voltage of PD3.0 output loop
For the input source of the transforming circuit (5V/2.4A circuit).From the foregoing, the voltage of PD3.0 output loop be 5V, 9V,
15V or 20V, with this, in DC voltage converting circuit 200, using a constant pressure conversion chip (DC/DC (Direct
Current, direct current), TYPE-A interfaces 5V/2.4A constant pressure output can be met.
Also include in addition, in the present embodiment, in charger one respectively with DC voltage converting circuit 200 and TYPE-A
The identification circuit that interface 190 connects, for identifying the classification for the electronic equipment being connected with TYPE-A interfaces 190.In one example,
The identification circuit is exclusively used in identifying the electronic equipment of a certain company, is reached with the charging current of this electronic equipment for ensureing the said firm
2.4A。
Above-mentioned embodiment is improved to obtain present embodiment, in the present embodiment, in charger except including
TYPE-C interfaces 110, output control circuit 120, parameter adjustment circuit 130, high frequency transformer 140, photoelectrical coupler 150, ginseng
Number sample circuit 160, circuit of synchronous rectification 170, on-off circuit 180, TYPE-A interfaces 190 and DC voltage converting circuit
Outside 200, in addition to lightning protection circuit, EMI circuits, rectification circuit and the filter being connected between high frequency transformer 140 and civil power
Wave circuit, for carrying out lightning protection, electromagnetism interference, rectification and filtering process to the civil power of access.
In the present embodiment, lightning protection circuit is made up of fuse, differential mode capacitor and thermistor, to prevent from exchanging
The damage of the high current of power network and big surge to charger back-end circuit；EMI circuits are obtained by common mode inductance, for preventing high frequency
Disturb the access of radiation signal；Rectification circuit is made up of rectifier bridge stack, for input exchange signal rectification to be believed for HVDC
Number；Filter circuit is made up of electrochemical capacitor, for being filtered to the high-voltage dc signal that rectification circuit exports, energy storage, directly
Power to the input of high-tension transformer.In addition, the high voltage electric energy for also including being connected with filter circuit in the charger absorbs electricity
Road, for reducing peak voltage, buffering peak current, reducing di/dt and dv/dt, improve EMI qualities, lower switching loss, carry
The power-efficient of high charger.
In one example, the lightning protection circuit in the charger, EMI circuits, rectification circuit, filter circuit and high voltage electric energy
Absorbing circuit, as shown in figure 5,220V AC powers are accessed by the L points and N points illustrated, lightning protection circuit is by fuse F1, differential mode electricity
Hold CX2 and thermistor RT2 compositions；EMI circuits are made up of common mode inductance T3；Rectification circuit is made up of rectifier bridge stack D1, with
It is high-voltage dc signal by input exchange signal rectification；Filter circuit is by the first electrochemical capacitor CE1 and the second electrochemical capacitor CE2 groups
Into to be filtered to high-voltage dc signal and energy storage.High voltage electric energy absorbing circuit include the first divider resistance R1, second point
Piezoresistance R2, the 3rd divider resistance R4, the 4th divider resistance R5, the first electric capacity C1 and the 4th diode D4 compositions, to reduce
Peak voltage, buffering peak current, reduction di/dt and dv/dt in the filtered high-voltage dc signal of filter capacitor, improve high
Press the EMI qualities of direct current signal, lower switching loss, improve the power-efficient of charger.More particularly, fuse F1 type
Number it is 1206L150/12SL, thermistor RT2 model 5D-5, differential mode capacitor CX2 capacity is 0.33 μ F, magnitude of voltage is
275V, common mode inductance T3 induction reactance are 190 μ H, and rectifier bridge stack D1 model RS403L, the first electrochemical capacitor CE1 capacity is 47
μ F, magnitude of voltage 400V, the second electrochemical capacitor CE2 capacity is 47 μ F, magnitude of voltage 400V, and the first divider resistance R1 resistance is
200k, the second divider resistance R2 resistance are 200k, and the 3rd divider resistance R4 resistance is 200R, the 4th divider resistance R5 resistance
It is worth for 200R, the first electric capacity C1 capacity is 470pF, magnitude of voltage 250V, the 4th diode D4 model S2MF/1000V/
2A。
As shown in fig. 6, specifically included in the parameter adjustment circuit：Flyback control chip U1, for by high voltage direct current
The high voltage startup resistance R58 of pin HV in flyback control chip U1 is sent into, for controlling the first switch of high frequency transformer break-make
Pipe Q3, it is arranged between first switch pipe Q3 and flyback control chip U1 and controls first switch pipe break-make/protection first switch pipe
Q3 first resistor R33, second resistance R36,3rd resistor R37 and the first diode D8, be arranged at first switch pipe Q3 and
It is used to gather the 4th resistance R39 of first switch pipe Q3 peak point currents, the 5th resistance R42, the 6th between flyback control chip U1
Resistance R43, the 7th resistance R44 and the first ground capacity C19, it is arranged between first switch pipe Q3 and flyback control chip U1
For powered for flyback control chip U1 the second diode D7, the 3rd diode D6, the 8th resistance R18, the 9th resistance R20,
Triode Q7, the first voltage-stabiliser tube ZD3 and the second electric capacity C11, are arranged between first switch pipe Q3 and flyback control chip U1
For gathering the tenth resistance R17, the 11st resistance R16, the 12nd resistance R21, the 3rd electric capacity C5 and the 4th electric capacity of partial pressure
C9。
In the course of the work, after charger access AC220V AC powers, high voltage startup resistance R58 is by high voltage direct current
Pin HV in (AC power obtains by lightning protection/EMI/ rectifying/filtering circuits) input flyback control chip U1, with this flyback
Control chip U1 internal oscillator is started working, and (Pulse Width Modulation, pulse are wide by pin GATE outputs PWM
Degree modulation) pulse signal, control first switch pipe Q3 starts working, so that high frequency transformer T4 starts working, and specifically, high frequency
Assists winding (winding of 3 pin and 4 pin) and secondary windings (winding of 5 pin and 6 pin) in transformer T4 produce pulse voltage.
In addition, the pulse voltage of assists winding (winding of 3 pin and 4 pin) is except through the second diode D7 and the 3rd diode
The pin VDD inputted after D6 rectifications in flyback control chip U1, powered for flyback control chip U1；Also pass through the 11st resistance
The electricity inside pin DMG inputs that partial pressure value is passed through flyback control chip U1 by the bleeder circuit of R16 and the tenth resistance R17 compositions
The backward end of error amplifier is pressed, compared with the accurate reference voltage that voltage error amplifier is held in the same direction, exports amplification
Voltage error signal COMV, with the dutycycle of the pwm pulse signal of this controlling switch GATE outputs, so as to control high frequency transformer
The dutycycle of T4 secondary pulses voltage, that is, control the size of high frequency transformer T4 output voltages.
At the same time, flyback control chip U1 pin CS detection first switch pipes Q3 peak point current, by parallel resistance
The pressure drop of (the 5th resistance R42, the 6th resistance R43 and the 7th resistance R44) is proportional to its electric current, with this in constant current output, draws
The electric current that pin CS is detected is proportional to the voltage of first switch pipe Q3 peak point current, is afterwards input to the electric current detected instead
Swash the end of oppisite phase of the current error amplifier inside control chip U1, compared with the accurate reference current of its in-phase end, output is put
Big current error signal COMI, with the dutycycle of the pwm pulse signal of this controlling switch GATE outputs, realize that flyback controls core
Controls of the piece U1 to the pwm pulse signal of output.
More particularly, flyback control chip U1 concrete model is to stand the RT7786 of fine jade, high voltage startup resistance R58 resistance
It is worth for 300k, first switch pipe Q3 model SW7N65K, first resistor R33 resistance is 20R, second resistance R36 resistance
For 20R, 3rd resistor R37 resistance is 100k, the first diode D8 model IN4148, and the 4th resistance R39 resistance is
200R, the 5th resistance R42, the 6th resistance R43 and the 7th resistance R44 resistance are 1R, and the first ground capacity C19 capacity is
330pF, the second diode D7 model FR107, the 3rd diode D6 model IN4148, the 8th resistance R18 resistance
For 2R, the 9th resistance R20 resistance is 1k, and triode Q7 model BC817, the second electric capacity C11 capacity are 4.7 μ F, electricity
Pressure value is 50V, and the tenth resistance R17 resistance is 310k, and the 11st resistance R16 resistance is 20k, the 12nd resistance R21 resistance
It is worth for 1k, the 3rd electric capacity C5 capacity is 39pF, and the 4th electric capacity C9 capacity is 1000pF.
As shown in fig. 7, include a protocol integrated test system chip U3 in output control circuit, and in protocol integrated test system chip U3
Pin CC1 is connected by the 11st resistance R26 with the pin CC1 in TYPE-C interfaces, pin CC2 passes through the 12nd resistance R23
It is connected with the pin CC2 in TYPE-C interfaces (J3), pin S+ passes through the pin in the 13rd resistance R30 and TYPE-C interfaces
DP1/DP2 connections, pin D- are connected by the 14th resistance R32 with the pin DN1/DN2 in TYPE-C interfaces.Specifically, agreement
The RT7207T of the vertical fine jade of control chip U3 model, the model TYPE-C-CE14, the 11st resistance R26 of TYPE-C interfaces,
12nd resistance R23, the 13rd resistance R30 and the 14th resistance R32 resistance are equal 33R.
Include the 16th resistance R31, the 17th resistance R35, the between protocol integrated test system chip U3 and flyback control chip U1
18 resistance R38, the 19th resistance R34, the 20th resistance R41, the 21st resistance R45, the 9th electric capacity C12, the tenth electric capacity
C14, the 11st electric capacity C18 and photoelectrical coupler U4, by protocol integrated test system chip U3 pins in a manner of this is by photoelectric coupling
IFB, pin VFB and the control signal of pin OPTO outputs feed back to flyback control chip U1 pin COMP.Specifically, the tenth
Six resistance R31 resistance is 31k, and the 17th resistance R35 resistance is 1k, and the 18th resistance R38 resistance is 27k, the 19th
The resistance of resistance R34 is 91k, and the 20th resistance R41 resistance is 13k, and the 21st resistance R45 resistance is 51k, and the 9th is electric
The capacity for holding C12 is 0.1 μ F, the tenth electric capacity C14 capacity is 33nF, the 11st electric capacity C18 capacity is 100pF, photoelectricity coupling
Clutch U4 model H21A1.
Voltage sampling circuit includes the 5th diode D9, the 6th diode D10, the 7th diode D13, the 5th electric capacity
C16, the 6th electric capacity C15, the 7th electric capacity C21 and the 8th electric capacity C30, pin V5, pin VCP with protocol integrated test system chip U3 with
And pin V9 forms voltage ratio and carries out real-time sampling to output voltage compared with loop, and by sampled voltage and protocol integrated test system chip internal
Reference voltage is compared, and judges whether output voltage is abnormal with this.Specifically, the 5th diode D9, the 6th diode D10 and
Seven diode D13 model is IN4148, and the 5th electric capacity C16 capacity is 0.1 μ F, the 6th electric capacity C15, the 7th electric capacity C21
And the 8th electric capacity C30 capacity be 2.2 μ F.
Circuit of synchronous rectification includes synchronous rectification switch pipe U2, the 26th resistance R25, the 27th resistance R19,
28 resistance R8, the 29th resistance R28, the 30th resistance R22, the 13rd electric capacity C2 and the 8th diode D5, with this
Synchronous rectification switch pipe U2 break-make is controlled by the pulse signal of protocol integrated test system chip U3 pins VG outputs, arrives current reflux
The pin of high frequency transformer T2 secondary windings 6, complete the function of whole recirculation loop.On-off circuit includes second switch pipe Q1,
Two voltage-stabiliser tube ZD1.Specifically, synchronous rectification switch pipe U2 model IPB144N12, the 26th resistance R25 resistance are
100R, the 27th resistance R19 resistance are 100k, and the 28th resistance R8 resistance is 47R, the 29th resistance R28's
Resistance is 100k, and the 30th resistance R22 resistance is 100k, and the 13rd electric capacity C2 capacity is 1000pF, voltage 250V,
Eight diode D5 model TSP15U120S.Second switch pipe Q1 model AQ4262E, the second voltage-stabiliser tube ZD1 model
For MMSZ5248.
Current sampling circuit includes the 22nd resistance R13, the 23rd resistance R55, the 24th resistance R54,
25 resistance R9, the 12nd electric capacity C12, the 3rd common mode capacitance CE3 and the 4th common mode capacitance CE5, with this protocol integrated test system core
Pin CS- and pin CS+ in piece U3 pass through the 23rd resistance R55 of sampling and the voltage difference at the 24th resistance R54 both ends
Collection to electric current in power supply loop is realized, monitoring to whole power supply loop current is realized with this, if there is current anomaly,
Protocol integrated test system chip U3 immediately turns off synchronous rectification switch pipe U2 and second switch pipe Q1, to terminate whole loop circulation.Specifically,
22nd resistance R13 resistance is that 1k, the 23rd resistance R55 and the 24th resistance R54 resistance are 20mR, second
15 resistance R9 resistance is 1k, and the 12nd electric capacity C12 capacity is 0.1 μ F, the 3rd common mode capacitance CE3 and the 4th common mode capacitance
CE5 capacity is 220 μ F, voltage 25V.
As shown in figure 8, DC voltage converting circuit includes the constant pressure conversion chip U7 of a DC/DC, by PD3.0 outputs
5V, 9V, 15V and 20V are converted to 5V voltages, meet 5V/2.4A final output, specifically, the pin in the constant pressure conversion chip
COMP and pin FREP forms outside reference circuit and frequency setting circuit；Pin IN is input pin, with second switch pipe Q1's
Output end connects (P6 tie points as shown)；Pin EP is output pin, meets energy storage inductor L1, then connects electric capacity and be filtered circuit and arrive
Output；Pin CS is feedback pin, and collection output voltage adjusts internal PWM dutycycle, to ensure constant pressure conversion chip U7 5V
Constant pressure is exported to TYPE-A interfaces.In addition, include an identification chip between constant pressure conversion chip U7 and TYPE-A interface (J4)
U8, to the type of electronic equipment, ensure that the charging current of electronic equipment reaches 2.4A.Specifically, constant pressure conversion chip U7 type
Number for moral letter EUP3270, the model USB6-N4 of TYPE-A interfaces, identification chip U8 model Rui Fake NS3603.
Claims (9)
- A kind of 1. charger that each class of electronic devices can share, it is characterised in that the charging that each class of electronic devices can share Device includes：The one TYPE-C interfaces for being connected with possessing the charging equipment of TYPE-C interfaces,One is used for the charge parameter according to needed for the charging equipment of TYPE-C interfaces acquisition and with the output of this output control signal Control circuit, the charge parameter include current parameters and voltage parameter；The one control signal adjustment for being used to be fed back according to output control circuit exports the parameter adjustment circuit of pulse；One is used for the charge parameter according to needed for the output impulse transfer of parameter adjustment circuit is charging equipment and passes through TYPE-C Interface is the high frequency transformer of charging equipment power supply；One circuit of synchronous rectification；Wherein,The output control circuit is connected with TYPE-C interfaces, and the parameter adjustment circuit is connected with output control circuit, high frequency Transformer is connected with parameter adjustment circuit and TYPE-C interfaces respectively, circuit of synchronous rectification respectively with high frequency transformer, output Control circuit and high frequency transformer connection.
- 2. the charger that each class of electronic devices as claimed in claim 1 can share, it is characterised in that each class of electronic devices Also include one in the charger that can be shared to be used to the control signal of output control circuit output feeding back to parameter adjustment circuit Photoelectrical coupler, the photoelectrical coupler are connected with the output control circuit and parameter adjustment circuit respectively.
- 3. the charger that each class of electronic devices as claimed in claim 1 or 2 can share, it is characterised in that each electron-like Also include being used for the parameter sampling for sampling the charge parameter in charger in whole power supply loop in the charger that equipment can share Circuit, the parameter sampling circuit are connected with output control circuit.
- 4. the charger that each class of electronic devices as claimed in claim 3 can share, it is characterised in that the parameter sampling circuit Include a current sampling circuit for being used for sample rate current parameter and one and be used for the voltage sampling circuit of sampled voltage parameter, it is described Current sampling circuit and voltage sampling circuit are connected with output control circuit respectively, and the current sampling circuit is also respectively with opening Powered-down road connects with circuit of synchronous rectification.
- 5. the charger that each class of electronic devices as claimed in claim 4 can share, it is characterised in that each class of electronic devices Also include an on-off circuit for being used to control the break-make of whole power supply loop, the on-off circuit difference in the charger that can be shared It is connected with high frequency transformer, circuit of synchronous rectification, output control circuit and TYPE-C interfaces.
- 6. the charger that each class of electronic devices as claimed in claim 5 can share, it is characterised in that each class of electronic devices Also include in the charger that can be shared：TYPE-A interfaces, for being connected with possessing the charging equipment of TYPE-A interfaces, realize between charger and charging equipment Data communicate, and for realizing the power supply of charger；The DC voltage converting circuit being connected respectively with TYPE-A interfaces and on-off circuit, filled for export high frequency transformer Electrical parameter is further converted into the charge parameter needed for the charging equipment that is connected with TYPE-A interfaces.
- 7. the charger that each class of electronic devices as claimed in claim 6 can share, it is characterised in that each class of electronic devices Also include an identification circuit for being used to identify the charging equipment classification being connected with TYPE-A interfaces in the charger that can be shared, it is described Identification circuit is connected with DC voltage converting circuit and TYPE-A interfaces respectively.
- 8. the charger that each class of electronic devices as described in claim 1 or 2 or 4 or 5 or 6 or 7 can share, it is characterised in that Also include being connected in the charger that each class of electronic devices can share lightning protection circuit between high frequency transformer and civil power, EMI circuits, rectification circuit and filter circuit, the lightning protection circuit are connected with EMI circuits, the EMI circuits and rectification circuit Connection, the rectification circuit are connected with filter circuit, and the filter circuit is connected with high frequency transformer.
- 9. the charger that each class of electronic devices as claimed in claim 8 can share, it is characterised in that each class of electronic devices Also include a high pressure absorbing circuit for being used to improve light source of charger efficiency, the high pressure absorbing circuit in the charger that can be shared It is connected respectively with filter circuit and high frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552843.1U CN206834813U (en) | 2017-05-17 | 2017-05-17 | The charger that each class of electronic devices can share |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720552843.1U CN206834813U (en) | 2017-05-17 | 2017-05-17 | The charger that each class of electronic devices can share |
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| CN206834813U true CN206834813U (en) | 2018-01-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054818A (en) * | 2018-01-31 | 2018-05-18 | 罗政 | The changeable TYPEC mouthfuls charging circuits and charging method to charge with TYPEA mouthfuls or C mouthfuls chargings |
| CN109117405A (en) * | 2018-07-30 | 2019-01-01 | 合肥联宝信息技术有限公司 | A kind of TypeC equipment and its control method |
| CN111628537A (en) * | 2020-04-24 | 2020-09-04 | 杭州士兰微电子股份有限公司 | Multi-path charging circuit and protocol control module and control method thereof |
| WO2021068311A1 (en) * | 2019-10-12 | 2021-04-15 | 深圳慧能泰半导体科技有限公司 | Usb type-c interface circuit and charging method therefor, usb apparatus and electronic device |
-
2017
- 2017-05-17 CN CN201720552843.1U patent/CN206834813U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054818A (en) * | 2018-01-31 | 2018-05-18 | 罗政 | The changeable TYPEC mouthfuls charging circuits and charging method to charge with TYPEA mouthfuls or C mouthfuls chargings |
| CN109117405A (en) * | 2018-07-30 | 2019-01-01 | 合肥联宝信息技术有限公司 | A kind of TypeC equipment and its control method |
| WO2021068311A1 (en) * | 2019-10-12 | 2021-04-15 | 深圳慧能泰半导体科技有限公司 | Usb type-c interface circuit and charging method therefor, usb apparatus and electronic device |
| CN111628537A (en) * | 2020-04-24 | 2020-09-04 | 杭州士兰微电子股份有限公司 | Multi-path charging circuit and protocol control module and control method thereof |
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