Mobile phone capable of supplying uninterruptible power and method for automatically switching over power supplies
A mobile phone, main power technology, applied in emergency power arrangement, telephone communication, electrical components and other directions, can solve the problem of mobile phone life impact, no buffer time, mobile phone shutdown, etc. Trouble, avoid the effect of switching the machine
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Embodiment 1
[0040] A mobile phone with uninterrupted power supply of the present invention includes a mobile phone body with a mobile phone input bus, a mobile phone working bus, a mobile phone redundant bus and a main power supply, and also includes: an auxiliary power supply, the input terminals of the main power supply and the auxiliary power supply Both are connected to the input bus of the mobile phone, and the output ends are connected to the working bus of the mobile phone; and one is respectively connected to the main power supply and the auxiliary power supply, measures the voltage value of the main power supply and the auxiliary power supply, and controls the conduction of the main power supply and the auxiliary power supply Status of the power management control module.
[0041] Among them, the main function of the mobile phone input bus is to transmit the data information input by the user, and also to transmit the command and data information from the mobile phone control chip...
Embodiment 2
[0053] Since in embodiment 1, operations such as measuring voltage and sending instructions are all completed by a power management control module, its structure is bound to be very complicated, and the cost of using a single chip or module to complete these functions is high, and its stability and replaceability are poor.
[0054] Such as Figure 4 As shown, the power management control module is divided into the first switch S1 corresponding to the main power supply and the first control module for measuring the voltage of the main power supply, controlling the conduction state of the first switch S1, and the second switch S2 corresponding to the auxiliary power supply and measuring the auxiliary power supply. A power supply voltage, a second control module for controlling the conduction state of the second switch S2, and a master control module.
[0055] Wherein, the main and auxiliary power supplies each include a SENSE+ terminal;
[0056] The first switch S1 is connected...
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