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Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
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Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
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Introduction
RS422 is a widely used standard bus in serial communication. It can easily connect various computers, external devices, and measuring instruments to form a measurement and control ...[Details]
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LED lighting
offers many advantages
over current automotive interior and exterior lighting solutions,
such as higher performance, longer life, and lower cost, and it also improves the aesth...[Details]
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In response to the application requirements of offline
LEDs
in general lighting,
LED drivers
must provide electrical isolation, high efficiency, PFC 0.90 and TRIAC dimming functi...[Details]
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0. Introduction
Fans are general-purpose machines, which are widely used in various sectors of the national economy. Fans are widely used in ventilation, dust removal and cooling of factories, ...[Details]
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Many charger ICs now have power-off control (Figure 7). Integrating this feature does more than simply replace external components. Because the integrated charger understands the operation of the s...[Details]
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A time relay is an electrical component used in a circuit with a lower voltage or a smaller current to connect or disconnect a circuit with a higher voltage or a larger current. It can be said that...[Details]
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The power consumption of mobile communication base stations accounts for about 60-70% of the total power consumption of operators. How to reduce the power consumption of communication base stations...[Details]
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1. Use safe lithium-ion battery electrolyte
Currently,
carbonates are used as solvents in
lithium-ion battery
electrolytes. Linear carbonates can improve the charge an...[Details]
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USB (Universal Serial Bus) is gradually developing into a standard transmission protocol. This development is undoubtedly due to the widespread application of USB interfaces in many electronic prod...[Details]
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Analog applications such as testing, calibration, and general system operation often require sine waveforms with accurate amplitude and frequency and very low THD (total harmonic distortion). Some ...[Details]
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1 Overview
LIN protocol is a new type of low-cost serial communication bus. Its full name is Local Interconnect Network. It first appeared in the automotive industry. It is a serial bus protoco...[Details]
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Cable and connector failures are relatively common in LANs (local area networks). The circuit in Figure 1 can test straight-through or crossover 10BaseT, 100BaseT, or Gigabit UTP (unshielded twiste...[Details]
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1. Introduction to the Intelligent Dual Power Supply Device
As the requirements for power supply reliability are getting higher and higher, dual power supplies are used in many occasions to en...[Details]
Embedded System
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