CN117254684A - Power management module, electronic equipment, and power-on time control method and device - Google Patents

Power management module, electronic equipment, and power-on time control method and device Download PDF

Info

Publication number
CN117254684A
CN117254684A CN202311239774.5A CN202311239774A CN117254684A CN 117254684 A CN117254684 A CN 117254684A CN 202311239774 A CN202311239774 A CN 202311239774A CN 117254684 A CN117254684 A CN 117254684A
Authority
CN
China
Prior art keywords
power
module
time
management module
power management
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311239774.5A
Other languages
Chinese (zh)
Inventor
李程炎
冯学斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN202311239774.5A priority Critical patent/CN117254684A/en
Publication of CN117254684A publication Critical patent/CN117254684A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Abstract

The application discloses a power management module, electronic equipment, a power-on time control method and a power-on time control device, and belongs to the technical field of electronic equipment. The power management module includes: the power supply management module, the voltage stabilizing module and the capacitance switch matrix module; the power management module is connected with the input end of the voltage stabilizing module; the output end of the voltage stabilizing module is respectively connected with the output pins of the capacitive switch matrix module and the power management module; the capacitive switch matrix module comprises at least two capacitive modules, and controls the power-on time of the output voltage on the output pin of the power management module by conducting one of the at least two capacitive modules, wherein the power-on time is the time from zero to preset voltage of the output voltage.

Description

Power management module, electronic equipment, and power-on time control method and device
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to a power management module, electronic equipment, and a power-on time control method and device.
Background
Most of the rf chips inside the electronic device are controlled by mobile industry processor interface (Mobile Industry Processor Interface, MIPI) protocol and enable signals, wherein the enable signals are typically implemented by high/low levels provided by System On Chip (SOC) or rf integrated circuit (Radio Frequency Integrated Circuit, RFIC), while the Power-on (VIO) voltage required to implement control by MIPI protocol is typically provided by Power Management circuitry (PMIC).
In the related art, when the PMIC supplies the VIO voltage to each rf chip of the rf module, a load capacitor is generally disposed at an output port of the PMIC. After the electronic equipment is started and the modem of the radio frequency module is started, the VIO voltage reaches each radio frequency chip of the radio frequency module through the load capacitor. The power-up time of the VIO voltage may be too long or too short, depending on the load capacitance. Too long or too short power-on time of the VIO voltage can cause the radio frequency unit to be unrecognized, and further cause abnormal communication of the electronic equipment.
Disclosure of Invention
The embodiment of the application aims to provide a power management module, electronic equipment, a power-on time control method and a power-on time control device, which can solve the problem of abnormal communication of the electronic equipment.
In a first aspect, an embodiment of the present application provides a power management module, including: the power supply management module, the voltage stabilizing module and the capacitance switch matrix module;
the power management module is connected with the input end of the voltage stabilizing module;
the output end of the voltage stabilizing module is respectively connected with the output pins of the capacitive switch matrix module and the power management module;
the capacitive switch matrix module comprises at least two capacitive modules, and controls the power-on time of the output voltage on the output pin of the power management module by conducting one of the at least two capacitive modules, wherein the power-on time is the time from zero to preset voltage of the output voltage.
In a second aspect, an embodiment of the present application provides an electronic device, including: the power management module comprises a register, a radio frequency module and a power management module provided by the first aspect of the embodiment of the application;
the register is connected with the power management module, the radio frequency module is connected with an output pin of the power management module, and the register can control one of the at least two capacitance modules to be conducted so as to adjust the power-on time of the output voltage on the output pin of the power management module;
the radio frequency module comprises a modem and at least two radio frequency chips, wherein an output pin of the power management module is connected with the modem, and the at least two radio frequency chips are respectively connected with the modem.
In a third aspect, an embodiment of the present application provides a power-on time control method, which is applied to the electronic device provided in the second aspect of the embodiment of the present application; the power-on time control method comprises the following steps:
acquiring the power-on time of the output voltage on the output pin of the power management module;
and under the condition that the acquired power-on time is not equal to the preset power-on time of the radio frequency module, adjusting the capacitive switch matrix module.
In a fourth aspect, an embodiment of the present application provides a power-on time control device, which is applied to the electronic device provided in the second aspect of the embodiment of the present application; the power-on time control device comprises:
the acquisition module is used for acquiring the power-on time of the output voltage on the output pin of the power management module;
the control module is used for adjusting the capacitive switch matrix control module under the condition that the acquired power-on time is not equal to the preset power-on time of the radio frequency module.
In this embodiment of the present application, the power management module includes: the power supply management module, the voltage stabilizing module and the capacitance switch matrix module; the power management module is connected with the input end of the voltage stabilizing module; the output end of the voltage stabilizing module is respectively connected with the output pins of the capacitive switch matrix module and the power management module; the capacitive switch matrix module comprises at least two capacitive modules, and the capacitive switch matrix module controls the power-on time of the output voltage on the output pin of the power management module by conducting one of the at least two capacitive modules. The power-on time of the output voltage on the output pin of the power management module can be controlled through the capacitive switch matrix module, namely, the power-on time of the power-on voltage provided for a plurality of radio frequency chips can be controlled, overlong or too short power-on time can be avoided, the radio frequency module can be identified by the electronic equipment, and the communication of the electronic equipment is ensured to be normal.
Drawings
Fig. 1 is a schematic diagram of a first structure of a power management module according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a second structure of a power management module according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 4 is a schematic flow chart of a power-on time control method provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a power-on time control device provided in an embodiment of the present application;
fig. 6 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the objects identified by "first," "second," etc. are generally of a type and do not limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The power management module, the electronic device, the power-on time control method and the power-on time control device provided by the embodiment of the application are described in detail through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a first structure of a power management module according to an embodiment of the present application. The power management module 1000 may include: a power management module 101, a voltage regulation module 102 and a capacitive switch matrix module 103.
In fig. 1, a power management module 101 is connected to an input terminal of a voltage stabilizing module 102; the output end of the voltage stabilizing module 102 is respectively connected with the capacitance switch matrix module 103 and the output pin 11 of the power management module 1000; the capacitive switch matrix module 103 includes at least two capacitive modules 1031, and the capacitive switch matrix module 103 controls a power-on time of an output voltage on an output pin of the power management module 1000 by turning on one capacitive module 1031 of the at least two capacitive modules 1031, wherein the power-on time is a time from zero to a preset voltage of the output voltage.
In some possible implementations of the embodiments of the present application, the structure of the power management module 101 in the embodiments of the present application is the same as that of the power management module in the electronic device in the related art, and specifically, reference may be made to the power management module in the related art, which is not described herein in detail.
In some possible implementations of embodiments of the present application, the voltage regulator module 102 in embodiments of the present application may be a low dropout linear regulator (low dropout regulator, LDO).
In this embodiment of the present application, the power management module includes: the power supply management module, the voltage stabilizing module and the capacitance switch matrix module; the power management module is connected with the input end of the voltage stabilizing module; the output end of the voltage stabilizing module is respectively connected with the output pins of the capacitive switch matrix module and the power management module; the capacitive switch matrix module comprises at least two capacitive modules, and the capacitive switch matrix module controls the power-on time of the output voltage on the output pin of the power management module by conducting one of the at least two capacitive modules. The power-on time of the output voltage on the output pin of the power management module can be controlled through the capacitive switch matrix module, namely, the power-on time of the power-on voltage provided for a plurality of radio frequency chips can be controlled, overlong or too short power-on time can be avoided, the radio frequency module can be identified by the electronic equipment, and the communication of the electronic equipment is ensured to be normal.
In some possible implementations of the embodiments of the present application, the capacitor module includes a capacitor and a switch, a first end of the switch is connected to an output terminal of the voltage stabilizing module, a second end of the switch is connected to a first end of the capacitor, and a second end of the capacitor is grounded.
Exemplary, as shown in fig. 2, fig. 2 is a schematic diagram of a second structure of the power management module according to the embodiment of the present application.
In fig. 2, the capacitive switch matrix module 103 includes N capacitive modules 1031, where N is a positive integer greater than or equal to 2, and any one capacitive module 1031 of the N capacitive modules 1031 includes one switch and one capacitor. The ith capacitance module 1031 of the N capacitance modules 1031 includes a switch i and a capacitance C i A first end of the switch i is connected with the output end of the voltage stabilizing module 102, and a second end of the switch i is connected with the capacitor C i Is connected to the first end of the capacitor C i I is a positive integer less than or equal to N.
In some possible implementations of embodiments of the present application, the capacitance values of the capacitances in the at least two capacitance modules are different from each other.
In some possible implementations of the embodiments of the present application, the capacitance values of the capacitances in the at least two capacitance modules may increase sequentially in an order of arrangement of the at least two capacitance modules.
In general, the shortest power-on time of the VIO power-on voltage required by the radio frequency module is 16 microseconds, so that in order to ensure that the power management module can provide the VIO power-on voltage with the power-on time of 16 microseconds for the radio frequency module, that is, the power management module can output the voltage with the power-on time of 16 microseconds, capacitors corresponding to the power-on time of 16 microseconds need to be set in at least two capacitor modules, and after testing on the power-on time corresponding to different capacitor values in advance, the capacitor corresponding to the power-on time of 16 microseconds is the capacitor with the capacitor value of 4.7 picofarads. A capacitance having a capacitance value of 4.7 microfarads is set in at least two capacitance modules. Based on this, in some possible implementations of embodiments of the present application, the minimum capacitance value of at least two capacitance modules is 4.7 picofarads, and the minimum power-up time is 16 microseconds.
In some possible implementations of the embodiments of the present application, the power-up time corresponding to different capacitance values is tested in advance, and the correspondence between the capacitance value and the power-up time is formed as shown in table 1.
TABLE 1
Capacitance device C 1 C 2 C 3 C 4 …… C n
Capacitance value (microfarad) 4.7 10 12.2 14.7 …… m
Power-on time (microsecond) 16 36 42 46 …… n
When the capacitive switch matrix module of the power management module provided by the embodiment of the application includes n capacitors in table 1, when the capacitor C1 is turned on, the power-on time of the output voltage on the output pin of the power management module is 16 microseconds, when the capacitor C4 is turned on, the power-on time of the output voltage on the output pin of the power management module is 46 microseconds, and when the capacitor Cn is turned on, the power-on time of the output voltage on the output pin of the power management module is n microseconds.
The embodiment of the application also provides electronic equipment, which comprises: register, radio frequency module and power management module that this application embodiment provided. As shown in fig. 3, fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
In fig. 3, an electronic device 300 includes a register 301, a radio frequency module 302, and a power management module 1000. The register 301 is connected to the power management module 1000, and the rf module 302 is connected to the output pin 11 of the power management module 1000. The radio frequency module 302 includes a modem 3021 and at least two radio frequency chips 3022, the output pin 11 of the power management module 1000 is connected to the modem 3021, and the at least two radio frequency chips 3022 are respectively connected to the modem 3021. The register 301 can control one capacitor module 131 of the at least two capacitor modules 1031 to be turned on, so as to adjust the power-on time of the output voltage on the output pin 11 of the power management module 1000.
In some possible implementations of embodiments of the present application, different output pins of register 301 may be connected with switches comprised by different capacitive modules. When the switch is turned on at a high level, one of the pins in the register 301 outputs 1 (i.e., a high level), the other pins outputs 0 (i.e., a low level), the switch connected to the pin outputting the high level is turned on, and the other switches are turned off, among the switches included in the at least two capacitance modules, and the voltage of the power-on time corresponding to the capacitance connected to the turned-on switch is output on the output pin 11 of the power management module 1000. When the power-on time of the current output voltage on the output pin 11 of the power management module 1000 is not equal to the preset power-on time of the radio frequency module, the register 301 performs a shift operation, and then outputs the shifted register value, so as to adjust the power-on time of the output voltage on the output pin 11 of the power management module 1000.
The electronic device provided in the embodiment of the present application may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device, a mobile internet surfing device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) device, a robot, a wearable device, an ultra-mobile personal computer, a UMPC, a netbook, a personal digital assistant (personal digital assistant, PDA), or the like, and may also be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a Television (TV), a teller machine, a self-service machine, or the like, which is not particularly limited.
The electronic device in the embodiment of the application may be an electronic device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
The embodiment of the application also provides a power-on time control method. The power-on time control method provided by the embodiment of the application is applied to the electronic equipment provided by the embodiment of the application. As shown in fig. 4, fig. 4 is a flow chart of a power-on time control method provided in an embodiment of the present application. The power-on time control method comprises the following steps:
step 401: acquiring the power-on time of the output voltage on the output pin of the power management module;
step 402: and under the condition that the acquired power-on time is not equal to the preset power-on time of the radio frequency module, adjusting the capacitive switch matrix module.
In this embodiment of the application, when obtaining the condition that the power-on time of output voltage on the output pin of the power management module is unequal with the preset power-on time of the radio frequency module, through adjusting the capacitive switch matrix module, the power-on time of output voltage on the output pin of the power management module can be controlled, that is, the power-on time of power-on voltage provided for a plurality of radio frequency chips can be controlled, the power-on time can be prevented from being too long or too short, the radio frequency module can be identified by the electronic equipment, and the communication of the electronic equipment is ensured to be normal.
In some possible implementations of embodiments of the present application, step 401 may include: acquiring a capacitance value of a current capacitance switch matrix module; and inquiring a corresponding table of the capacitance value and the power-on time to obtain the power-on time.
In some possible implementations of the embodiments of the present application, a currently stored register value of a register may be obtained, and a pin of the register that currently outputs a high level is determined according to the currently stored register value, so as to determine a capacitance connected to a switch connected to the pin. And acquiring the power-on time corresponding to the capacitance value of the capacitor according to the corresponding relation between the capacitance value and the power-on time shown in the table 1, wherein the acquired power-on time is the power-on time of the output voltage on the output pin of the power management module.
In some possible implementations of embodiments of the present application, step 402 may include: disconnecting a currently conducted capacitor module in the at least two capacitor modules; the other of the at least two capacitive modules is turned on.
In some possible implementations of the embodiments of the present application, a shift operation may be performed on a register value currently stored in a register, and then the shifted register value is output, so as to disconnect a currently conductive capacitor module from at least two capacitor modules; the other of the at least two capacitive modules is turned on.
In some possible implementations of the embodiments of the present application, when the power-on time of the output voltage on the output pin of the power management module is too fast or too slow, communication abnormality of the electronic device may be caused, and the electronic device may possibly generate a phenomenon that the user identity card is not identified. Whether the acquired power-on time is equal to the preset power-on time of the radio frequency module can be judged by judging whether the electronic equipment identifies the user identity identification card or not. When the electronic equipment can identify the user identity identification card, the acquired power-on time is equal to the preset power-on time of the radio frequency module; when the electronic equipment cannot identify the user identity identification card, the acquired power-on time is not equal to the preset power-on time of the radio frequency module.
The embodiment of the application is not limited to the manner in which the electronic device is determined to identify the user identification card, and any available manner may be applied to the embodiment of the application.
In some possible implementations of the embodiments of the present application, after step 402, the power-on time control method provided by the embodiments of the present application may further include: and restarting the modem included in the radio frequency module to electrify the output voltage on the output pin of the power management module again.
The mode adopted by the modem included in the restarting radio frequency module is not limited in the embodiment of the present application, and any available mode may be applied to the embodiment of the present application. For example, a restart command is sent to the modem, and the modem restarts after receiving the restart command. When the modem is restarted, the output voltage on the output pin of the power management module is electrified again.
In some possible implementations of embodiments of the present application, an initial power-up time may be set. When the electronic equipment is restarted each time and the modem included in the radio frequency module is started, the power management module is controlled to output voltage corresponding to the initial power-on time, namely, the capacitor module of which at least two capacitor modules comprise capacitors corresponding to the capacitance value corresponding to the initial power-on time is conducted.
In some possible implementations of the embodiments of the present application, after the capacitive switch matrix module is adjusted N times, the power-on time of the output voltage on the output pin of the power management module is not equal to the preset power-on time of the radio frequency module, and at this time, the capacitive module including the capacitor corresponding to the capacitance value corresponding to the initial power-on time in at least two capacitive modules may be turned on, so that the output pin of the power management module outputs the voltage corresponding to the initial power-on time, where N is the number of capacitive modules included in the capacitive switch matrix module.
It can be understood that after the capacitive switch matrix module is adjusted N times, the power-on time of the output voltage of the output pin of the power management module is not equal to the preset power-on time of the radio frequency module, which indicates that the current communication abnormality of the electronic device is not caused by the power-on time of the power-on voltage, and at this time, the output pin of the power management module can be made to output the voltage corresponding to the initial power-on time.
The embodiment of the application also provides a power-on time control device. The power-on time control device provided by the embodiment of the application is applied to the electronic equipment provided by the embodiment of the application. As shown in fig. 5, fig. 5 is a schematic structural diagram of a power-on time control device according to an embodiment of the present application. The power-on time control device 500 includes:
the obtaining module 501 is configured to obtain a power-on time of an output voltage on an output pin of the power management module;
the control module 502 is configured to adjust the capacitive switch matrix module when the obtained power-on time is not equal to a preset power-on time of the radio frequency module.
In this embodiment of the application, when obtaining the condition that the power-on time of output voltage on the output pin of the power management module is unequal with the preset power-on time of the radio frequency module, through adjusting the capacitive switch matrix module, the power-on time of output voltage on the output pin of the power management module can be controlled, that is, the power-on time of power-on voltage provided for a plurality of radio frequency chips can be controlled, the power-on time can be prevented from being too long or too short, the radio frequency module can be identified by the electronic equipment, and the communication of the electronic equipment is ensured to be normal.
In some possible implementations of the embodiments of the present application, the obtaining module 501 is specifically configured to: acquiring a capacitance value of a current capacitance switch matrix module; and inquiring a corresponding table of the capacitance value and the power-on time to obtain the power-on time of the output voltage on the output pin of the power management module.
In some possible implementations of embodiments of the present application, the control module 502 is specifically configured to: disconnecting a currently conducted capacitor module in the at least two capacitor modules; the other of the at least two capacitive modules is turned on.
In some possible implementations of the embodiments of the present application, the power-on time control apparatus 500 provided in the embodiments of the present application may further include:
and the restarting module is used for restarting the modem included in the radio frequency module to enable the output voltage on the output pin of the power management module to be electrified again.
The power-on time control device provided in the embodiment of the present application can implement each process implemented by the embodiment of the power-on time control method in fig. 4, and in order to avoid repetition, a detailed description is omitted here.
Optionally, the electronic device provided in the embodiment of the present application may further include a processor and a memory, where the memory stores a program or an instruction that can be executed on the processor, where the program or the instruction implements each step of the embodiment of the power-on time control method provided in the embodiment of the present application when executed by the processor, and the steps can achieve the same technical effect, so that repetition is avoided, and no further description is given here.
Fig. 6 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 600 includes, but is not limited to: radio frequency unit 601, network module 602, audio output unit 603, input unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, and processor 610.
Those skilled in the art will appreciate that the electronic device 600 may further include a power source (e.g., a battery) for powering the various components, which may be logically connected to the processor 610 by a power management system to perform functions such as managing charge, discharge, and power consumption by the power management system. The electronic device structure shown in fig. 6 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than shown, or may combine certain components, or may be arranged in different components, which are not described in detail herein.
The radio frequency unit 601 may be the radio frequency module described above. The electronic device 600 may further include a register and a power management module provided in an embodiment of the present application. The connection relationship between the radio frequency unit 601, the register and the power management module may be specifically referred to the description in the foregoing, and the embodiments of the present application will not be described herein in detail.
The processor 610 is configured to obtain a power-on time of an output voltage on an output pin of the power management module; and under the condition that the acquired power-on time is not equal to the preset power-on time of the radio frequency module, adjusting the capacitive switch matrix module.
In this embodiment of the application, when obtaining the condition that the power-on time of output voltage on the output pin of the power management module is unequal with the preset power-on time of the radio frequency module, through adjusting the capacitive switch matrix module, the power-on time of output voltage on the output pin of the power management module can be controlled, that is, the power-on time of power-on voltage provided for a plurality of radio frequency chips can be controlled, the power-on time can be prevented from being too long or too short, the radio frequency module can be identified by the electronic equipment, and the communication of the electronic equipment is ensured to be normal.
In some possible implementations of embodiments of the present application, the processor 610 is specifically configured to: acquiring a capacitance value of a current capacitance switch matrix module; and inquiring a corresponding table of the capacitance value and the power-on time to obtain the power-on time of the output voltage on the output pin of the power management module.
In some possible implementations of embodiments of the present application, the processor 610 is specifically configured to: disconnecting a currently conducted capacitor module in the at least two capacitor modules; the other of the at least two capacitive modules is turned on.
In some possible implementations of embodiments of the present application, the processor 610 may also be configured to:
and restarting the modem included in the radio frequency module to electrify the output voltage on the output pin of the power management module again.
It should be understood that in the embodiment of the present application, the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042, and the graphics processor 6041 processes image data of still pictures or videos obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 607 includes at least one of a touch panel 6071 and other input devices 6072. The touch panel 6071 is also called a touch screen. The touch panel 6071 may include two parts of a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
The memory 609 may be used to store software programs as well as various data. The memory 609 may mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the memory 609 may include volatile memory or nonvolatile memory, or the memory 609 may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM), static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (ddr SDRAM), enhanced SDRAM (Enhanced SDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). Memory 609 in the present embodiment includes, but is not limited to, these and any other suitable types of memory.
The processor 610 may include one or more processing units; optionally, the processor 610 integrates an application processor that primarily processes operations involving an operating system, user interface, application programs, etc., and a modem processor that primarily processes wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the processes of the foregoing power-on time control method embodiment are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, and examples of the computer readable storage medium include a non-transitory computer readable medium such as ROM, RAM, magnetic or optical disk, and the like.
The embodiment of the application also provides a chip, which comprises a processor and a communication interface, wherein the communication interface is coupled with the processor, and the processor is used for running programs or instructions to realize the processes of the embodiment of the power-on time control method, and can achieve the same technical effect, so that repetition is avoided, and the repeated description is omitted.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
The embodiments of the present application further provide a computer program product, which is stored in a storage medium, and the program product is executed by at least one processor to implement the respective processes of the embodiments of the power-on time control method, and achieve the same technical effects, so that repetition is avoided, and a detailed description is omitted herein.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (10)

1. A power management module, comprising: the power supply management module, the voltage stabilizing module and the capacitance switch matrix module;
the power management module is connected with the input end of the voltage stabilizing module;
the output end of the voltage stabilizing module is respectively connected with the capacitance switch matrix module and the output pin of the power management module;
the capacitive switch matrix module comprises at least two capacitive modules, and the capacitive switch matrix module controls the power-on time of the output voltage on the output pin of the power management module by conducting one of the at least two capacitive modules, wherein the power-on time is the time from zero to preset voltage of the output voltage.
2. The power management module of claim 1, wherein the capacitor module comprises a capacitor and a switch, a first end of the switch is connected to the output of the voltage regulator module, a second end of the switch is connected to the first end of the capacitor, and a second end of the capacitor is grounded.
3. The power management module of claim 2, wherein the capacitance values of the capacitors in the at least two capacitance modules are different from each other.
4. A power management module according to claim 3, wherein a minimum of said at least two capacitance modules is 4.7 microfarads and a minimum of said power-up time is 16 microseconds.
5. An electronic device, comprising: a register, a radio frequency module and the power management module of any one of claims 1 to 4;
the register is connected with the power management module, the radio frequency module is connected with an output pin of the power management module, and the register can control one of the at least two capacitance modules to be conducted so as to adjust the power-on time;
the radio frequency module comprises a modem and at least two radio frequency chips, wherein an output pin of the power management module is connected with the modem, and the at least two radio frequency chips are respectively connected with the modem.
6. A power-on time control method, characterized in that the method is applied to the electronic device of claim 5, the method comprising:
acquiring the power-on time;
and adjusting the capacitive switch matrix module under the condition that the power-on time is not equal to the preset power-on time of the radio frequency module.
7. The method of claim 6, wherein the obtaining the power-up time specifically comprises:
acquiring a capacitance value of the current capacitance switch matrix module;
and inquiring a corresponding table of the capacitance value and the power-on time to obtain the power-on time.
8. The method of claim 7, wherein said adjusting said capacitive switch matrix module comprises:
disconnecting a currently conducting capacitor module of the at least two capacitor modules;
and switching on the other capacitor module of the at least two capacitor modules.
9. The method of claim 7, wherein, in the case that the power-up time is not equal to the preset power-up time of the radio frequency module, after adjusting the capacitive switch matrix control module, further comprising:
restarting the modem to electrify the output voltage on the output pin of the power management module again.
10. A power-on time control apparatus, characterized in that the apparatus is applied to the electronic device of claim 5, the apparatus comprising:
the acquisition module is used for acquiring the power-on time;
and the control module is used for adjusting the capacitive switch matrix control module under the condition that the power-on time is not equal to the preset power-on time of the radio frequency module.
CN202311239774.5A 2023-09-22 2023-09-22 Power management module, electronic equipment, and power-on time control method and device Pending CN117254684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311239774.5A CN117254684A (en) 2023-09-22 2023-09-22 Power management module, electronic equipment, and power-on time control method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311239774.5A CN117254684A (en) 2023-09-22 2023-09-22 Power management module, electronic equipment, and power-on time control method and device

Publications (1)

Publication Number Publication Date
CN117254684A true CN117254684A (en) 2023-12-19

Family

ID=89128894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311239774.5A Pending CN117254684A (en) 2023-09-22 2023-09-22 Power management module, electronic equipment, and power-on time control method and device

Country Status (1)

Country Link
CN (1) CN117254684A (en)

Similar Documents

Publication Publication Date Title
CN111816139B (en) Screen refresh rate switching method and electronic equipment
CN109272917B (en) Screen brightness adjusting method and device, storage medium and electronic equipment
CN112286338B (en) Chip control method, chip control device, electronic equipment and storage medium
US11404906B1 (en) Power failure protection system for solid state drives
CN114050798A (en) Radio frequency control circuit, radio frequency control method, electronic device, and storage medium
US9513686B2 (en) Context based power saving
CN117254684A (en) Power management module, electronic equipment, and power-on time control method and device
CN112713629A (en) Charging method and device and electronic equipment
CN113031752A (en) Chip voltage adjusting method, performance testing method and device and electronic equipment
CN114924637B (en) Control method and electronic equipment
CN114865806A (en) Charging circuit, method, device and electronic equipment
US10180693B1 (en) Processing circuit and method thereof
US20160026277A1 (en) Information processing method and electronic device
CN114500733B (en) Capacitance sound control method, device, equipment and medium
US20140215117A1 (en) Electronic device and method for controlling status of pci interfaces
CN117148216A (en) Leakage fault detection method, device, equipment and storage medium
CN116631465A (en) Power supply method, device, electronic equipment and readable storage medium
CN115993929B (en) Storage device management method, storage device management device, electronic device and storage medium
CN116207817A (en) Charging method, charging device, electronic equipment and readable storage medium
CN112017580B (en) Display device driving system and electronic apparatus
US8427466B2 (en) Image-processing circuit, related system and related method capable of reducing power consumption
CN116707090A (en) Charging system, charging method and charging device
CN115085000A (en) Discharge circuit, method, device and electronic equipment
CN117409712A (en) Display panel driving circuit, pixel driving method, device and equipment
CN117111722A (en) Power consumption adjustment method and device, electronic equipment and readable storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination