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The optimal solution of drone power management solution!

source:Industry News     Popular:adapter     release time:2022-04-22 09:56:28     Article author:yu    

  The optimal solution of drone power management solution!(图1)

  Unmanned aerial vehicle, short for unmanned aerial vehicle, abbreviated as "UAV" in English, namely (Unmanned Aerial Vehicle). It is an unmanned aircraft operated by radio remote control equipment and self-provided program control device. From a technical point of view, it can be divided into: unmanned helicopters, unmanned fixed-wing aircraft, unmanned multi-rotor aircraft, unmanned airships, unmanned paragliders, etc. According to the application field, it can be divided into military and civilian. In terms of military use, UAVs are divided into reconnaissance aircraft and target aircraft. Civil applications are mainly used in aerial photography, agricultural plant protection, surveying and mapping and other fields. UAV + industry application is the real need of UAV, which greatly expands the use of UAV itself.

  Drone Power Management

  Power management refers to how power is efficiently distributed to the different components of a system. Power management is critical for mobile devices that rely on battery power. A good power management system can double or triple battery life by reducing energy consumption when components are idle. Power management technology is also called power control technology.

  At present, the main power management devices on the market mainly include a discrete power management chip PMIC and an integrated power management unit PMU. A power management chip (Power Management Integrated Circuits) is a chip that is responsible for the transformation, distribution, detection and other power management of electrical energy in an electronic device system. It is mainly responsible for identifying the CPU power supply amplitude, generating the corresponding short-moment wave, and promoting the power output of the subsequent circuit. Power management chips are available in both in-line and surface mount packages. The application range of power management chips is very wide. The development of power management chips is of great significance for improving the performance of the whole machine. The selection of power management chips is directly related to the needs of the system.

  The scope of power management is relatively wide, including independent power conversion (mainly DC to DC, ie DC/DC), separate power distribution and detection, and a system that combines power conversion and power management. Correspondingly, the classification of power management chips also includes these aspects, such as linear power supply chips, voltage reference chips, switching power supply chips, LCD driver chips, LED driver chips, voltage detection chips, and battery charge management chips. If the designed circuit requires high noise and ripple rejection of the power supply, requires a small PCB area (such as hand-held electronic products such as mobile phones), the circuit power supply does not allow the use of inductors (such as mobile phones), and the power supply needs to have instantaneous calibration and output The state self-checking function requires low voltage drop of the voltage regulator and low power consumption, low circuit cost and simple solution, so linear power supply is the most appropriate choice.

  This power supply includes the following technologies: precision voltage reference, high performance, low noise op amp, low drop pass transistor, low quiescent current. Power Management Unit (Power Management Unit) is a highly integrated power management solution for portable applications, which integrates traditional discrete types of power management chips and other devices into a single package, which can achieve higher power Conversion efficiency and lower power consumption, and lower component count to accommodate shrinking board space.


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