Power management chip, is up to the task of electronic equipment in the system of electricity transformation, distribution, testing and other power management responsibilities of the chip. Mainly responsible for identifying the CPU power amplitude, produce corresponding short moment wave, level after driving circuit for the power output. The following list some famous power management chip manufacturers at home and abroad, through the following contrast can be seen that these companies the characteristics and advantages of chip. As the Internet of things, wearable devices, such as the coming of the boom, power management chip makers who decides?
Keywords: power supply chip micro core power supply management manufacturing
Power management chip, is up to the task of electronic equipment in the system of electricity transformation, distribution, testing and other power management responsibilities of the chip. Mainly responsible for identifying the CPU power amplitude, produce corresponding short moment wave, level after driving circuit for the power output. The following list some famous power management chip manufacturers at home and abroad, through the following contrast can be seen that these companies the characteristics and advantages of chip. As the Internet of things, wearable devices, such as the coming of the boom, power management chip makers who decides?
The microchip
With TI, Zilker Labs companies such as similar, Microchip is also advocate and pioneer of digital power supply. Microchip power management products including linear voltage regulator, the switching voltage stabilizer, PWM controller, a charge pump, voltage reference, CPU/system monitor, voltage tester, DC - DC converters, power MOSFET, drives, etc.
Microchip technology companies in the United States launched the world's first digital enhanced power simulation controller MCP19111, it expanded the Microchip diversified intelligent DC/DC power conversion solutions. MCP19111 digital enhanced power analog series can be wide voltage of 4.5 V to 32 V within the scope of work, compared with the traditional solution based on simulation technology, flexible significantly increased. In fact, MCP19111 is one of the world's first synthetic mixed signal power management controller, will be based on the analog PWM controller and complete functions of flash microcontroller collection in a body. Such integration provides flexibility of digital solutions, also have based on the simulation of the speed, performance, and the resolution of the controller. MCP19111 devices support up to 32 v operation, and to provide for the integration of the MOSFET drive synchronous step-down applications and configure. When combined with Microchip to expand high-speed MOSFET series, when using the efficient power conversion MCP19111 can drive can be customized.
Various semiconductor
Various semiconductor has been committed to solve the problem of the most challenging field in power management. Various semiconductor design and production of power management chip can save up to 90% of the standby power consumption. Ansion beauty semiconductor GreenPoint energy-efficient power reference design series including the ATX power supply, LCD TV power supply and laptop adapter, etc., are in line with the existing high standards.
The direction of the focus on the various semiconductor power management: 1, GreenPoint energy-efficient power series solution. 2, computer power management solutions. 3, digital consumer electronics power supply solution.
Power management chip NCP1421 booster chips. The power management chip, for synchronous rectifier model, the built-in MOSFET, can save the diode and the effect of the outer tube, at the same time, the efficiency of the chip is higher, at 3.3 V to 2.5 V input and output efficiency is as high as 94% when @ 200 ma, in the process of practical use compared with other some booster semiconductor chip, using NCP1421 use about 15% of the actual time of ascension.
Terry shi semiconductor developed applicable to 0.4 A, 0.4 A/coil and control IC of the integration of the world's smallest size "micro DC/DC converter, XCL223 / XCL224 series products. XCL223 / XCL224 series product is the coil and control IC of the integration of the subminiature (overall dimensions: 2.25 mm x 1.5 mm x h0.75 mm) step-down micro DC/DC converters, realized in the output current of 0.4 A / 0.7 A output of the world's most small ultra-thin.
Because of external parts need to add the two ceramic capacitors, can constitute a power circuit, is conducive to save board area of space, and shorten development time. In addition, because the built-in coil, can make it easy to PCB layout, don't need to work the radiated noise and the circuit obstacle in minimal inhibition. Its working voltage range from 2.7 V to 5.5 V, can be in 0.8 ~ 3.6 V (+ / - 2.0% accuracy) range based on the choice of interval of 0.05 V output voltage. Oscillation frequency is 3.0 MHz, can from the PWM control (XCL223) or PWM/PFM automatic switch control (XCL224) choose a way to control. XCL223 / XCL224 series products adopt HiSAT - COT (* 2), the most suitable for the transient response of cable and small computer peripheral machines, carrying the CPU and other portable machine and digital machine.
¡¾ XCL223 / XCL224 series features ¡¿
In the output current of 0.4 A 0.7 / a-level A coil shape step-down DC/DC converter, implements the minimal size
Adopted HiSAT - COT, to achieve the fast transient response
Can correspond to optical devices, such as portable machines and digital application purpose
High efficiency (90% : 4.2 V? 3.3 V, 300 ma)
The most suitable for through miniaturization narrow circuit board live-fire area.
ADI power management
ADI company ADP1047 / ADP1048 is a precise metering AC power source of digital power factor correction (PFC) controller: flexible, single-phase, digital power factor correction (PFC) controller, true RMS AC power measurement, to enhance the dynamic response of by switching frequency spread spectrum technology to reduce EMI. ADP1047 used in single-phase PFC application; And ADP1048 insertion type and bridge type PFC application, the user has the best performance of the system, to maximize efficiency, reduce time to market products. Mainly used in various applications of AC/DC power supply, server and storage equipment, network and communication infrastructure, industrial and medical equipment.
The power management chip application range is very wide, including energy generation and distribution, civil aviation, military and home stereo system components, medical electronics and automotive applications. In the most familiar consumption, use common equipment of power management chip include digital set-top boxes, LCD and plasma TV, game consoles, flat-panel monitor and PC server, and mobile phone, tablets and ordinary computers.
In today's world, a moment of the life of people is also inseparable from the electronic equipment. Power management chip in the electronic equipment system for transformation and distribution of electrical energy, detection and other power management responsibilities. Power management chip are indispensable for electronic system, the pros and cons of its performance has a direct influence on the performance of the whole machine.
