How Do PD Fast Charging Products Work? What Discrete Devices Are Needed?
PD fast charging is a fast charging specification formulated by USB-IF organization, and it is one of the mainstream fast charging protocols. PD charging protocol can increase the default power of 5V/2A Type-c interface to 100W. The charging head made by PD fast charging specification has the characteristics of intelligent, safe, efficient and stable charging. Because Google announced that the fast charging protocol for mobile phones with Android7.0 or above must support the PD protocol, it is a huge market opportunity for PD fast charging products. This paper will mainly explain to you how PD fast charging products work and what kind of discrete device products are needed internally.
How do PD fast charging products work?
PD fast charging products rely on the main control chip and components to realize the intelligent adjustment of the voltage and current of the products. PD fast charging adopts a communication protocol based on USB-C port, and realizes the information exchange between the charger and the equipment through USB-C interface. USB-C interface has become the standard interface of many devices, which also shows that the application scenario of PD fast charging products is huge.
Usually, there are different schemes for PD fast charging, such as voltage and current, which may be different from manufacturer to manufacturer. Many PD fast charging chargers can provide different voltages such as 5V, 9V, 15V and 20V, and can also provide different currents such as 0.5-2A, 1-3A, 3-5A and 5-10A. By adjusting the voltage and current of the product at the same time, higher charging power can be achieved, up to 100W.
Why is PD fast charging product good? This is because it is more intelligent, efficient and standardized. During the charging process, the electronic equipment will communicate with the charger to inform it of the required voltage and current. This is because the CC on the USB-C interface is equipped with channel pins. After receiving the request sent by the equipment, the charger will intelligently adjust the output voltage and current according to the requirements of the equipment. This intelligent adjustment can reduce the energy consumption and heat generation during charging. PD fast charging products can be applied to smart phones, tablet computers, notebook computers, smart wearable devices, smart home appliances, in-vehicle entertainment and display, game consoles and other electronic products.
PD fast charging products usually include many safety protection mechanisms, such as over-current protection, over-voltage protection, short-circuit protection, etc. These mechanisms ensure the fast, safe and efficient charging of products, and require more safety, stability, high performance and reliability for products of discrete devices. The above picture shows that discrete devices are used to realize the functions of fast charging, rectification, voltage stabilization and switching of PD.
Take the commonly used 65W fast charging product scheme as an example, which includes rectifier circuit, which may adopt rectifier bridge, primary high-frequency conversion circuit, fast recovery rectifier diode, rectifier diode, Schottky diode, switching MOS tube and other products, and secondary synchronous rectifier circuit adopts rectifier MOS tube. Hottech can provide RS1M diode products, GBUJ406 bridge stack and BAV21WS Schottky diodes for fast charging products.
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本文由莫子若转载自HKT Official Website,原文标题为:How do PD fast charging products work? What discrete devices are needed?,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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MOS Tube HKTD20N06 with Continuous Drain Current of 20A, Can be Used in Motor Drive, LED and Power Supply Products
MOS transistor plays a very important role in voltage stabilizing and switching circuits. A good MOS transistor has not only good product performance, but also its power consumption and product stability. In this issue, Heketai introduces a MOS tube HKTD20N06, which can be used in motor drives, LEDs and power supplies.
产品 发布时间 : 2024-11-20
产品目录(PRODUCT CATALOG)
型号- MB10M,US2DF,M7L,US1BF,MB10S,FR2J,B0530WS,FR2M,FR3GF,US2DL,MB10F,US1BL,FR1D),SD103AX,SD103AW,RS1G,RS1D,UF2KF,PXT2907A,RS1A,RS1M,MMBT2907A,1117 系列,HKTQ60N02,US3GF,HKTO30N03,MMBT4401,GBU1510,MMBT2222,FR1G,MMBT4403,SS18F,FR1DF,IRLML5203,FR1M,FR107L,FR1DL,UF1JF,ER1JBF,HKT4054,MMST3906,HKT4056,S2MF,HKT02N10,GBU2510,US3DF,MMST2222A,BSS138W,FR2GF,SK24L,2SA1213,2SK3018W,US2BL,FR2GL,US2BF,1117,UF1GF,MMBD4148A,RB520S-30,2SA812,2SC3356,2SC3357,MMBD2835,US1AL,IRLML5103,SMCJXXXA,US1AF,HKTG50N15,HKTE180N08,S1MF,UF2JF,HKTE180N10,SD103AWS,RS2M,HKTD130N08,RS2J,MMBT5401,HKTD90N03,SS1X,SS2XB,FR1GF,HKTD120N04,2SA1036,2SA1037,GBJ2010,FR1GL,UF2M,HKTG50N03,UF1DF,US3BF,UF2J,SS26L,SS14L,2SA1162,BAS40-04,BAS40-05,SS26F,SS14F,SM15TXXXA,2SK3018,HKTG120N04,UF1G,SS18,FR2JF,SS16,UF1D,SS14,UF1B,SS12,FR2JL,UF1M,US2AL,UF1K,HKTE160N08,1N4448WS,UF1J,US2AF,UF2GF,SS210L,SS13L,AO9435,G1A,G1B,SS210B,SS210A,G1D,G1G,SS210F,SD103CW,FR2KF,SS3X,UF1BL,2SA1015,UF2DL,SMBJXXXA,GBU410,IRLML6402,IRLML6401,UF1BF,UF2DF,HKT6219-3V3,SS110L,B0540WS,TL431,SS16F,SS54,SS110F,HKTD7N65,SS16L,SS2X,FR1JF,FR1JL,UF3M,TL431L,US3AF,UF3GF,TL431D,BAT720,CXT5401,DB207S,1N5817WS,FR2MF,FR1KF,SS310A,FR1KL,HKTE120N10,HKTE120N15,B5819W,AO8814,HKTG48N10,SS310L,HKT6213-3V3,HKTD110N06,2N7002T,AO8810,A03401,A03400,2N7002K,DB107S,US1JF,RS3AF,SS310F,BAT54S,SS56,MMBD4148CA,BAS21C,MMBD4148CC,78 系列,B0530W,BAT54H,AO8822,AO8820,BAS21A,BAT54C,IRLML0040,BAT54A,US2MF,US1KF,HKTQ80N03,FR1MF,1N5818WS,1N5818W,HKTG90N03,BAS70-06,FR1ML,US2JF,BAS70-04,BAS70-05,C945,AO4435,IRLML2246,SS210W,US2J,HKTDB0NO3,RS2AL,HKTG100N10,DB105S,MMBTH10,RS2AF,US2M,B5819LW,1N5817W,RS1JBF,US1B,B0540W,US1A,HKTQ50N03,HKT05N10,AO8804,US1J,US1G,US1D,1N5819WS,DB106S,US2KF,2N7002DW,RS3BF,US1M,2SD965A,1N4148,US1K,S8550,HKT6206,HKTQ150N03,78L,78M,UF1ML,BAV99D,MMBD4448,UF1MF,DB103S,HKTD20N06,BSS138,US1GF,HKTG90N12,SMBJXXXCA,79M,HKTG100N08,HKTD5N50,HKTE110N20,DB104S,1N5819W,US3M,US1DF,S1A,S1B,S1D,B5817W,S1G,SMAJXXXCA,S1K,S1J,B772,BAT54WS,S1M,UF2MF,MMBT2222A,UF1KF,2SD965,RS1MBF,BAT54W,BAS21S,DB101S,S8205A,US2GF,GBJ5010,HKTE100N10,KTA1661,S1ABF,S2M,DW01,HKTD4N65,DB102S,BC857C,BC857A,BC857B,AO4616,PXT8050,AO3407,AO3401,SS510,AO3402,BAS70,AO3403,AO3404,B5819WS,B5819WT,AO3400,78L 系列,2N7002KT,RS2GF,HKTD5N20,RS2GL,HKTD4N50,BC856B,BC856C,79M 系列,BC856A,7333,AO3416,ES2MA,AO3419,AO3415,2N7002KM,ES2MF,RS1DL,GBP210,MMST5401,GBJ1510,ES1JL,ABS8,RS1DF,ABS6,SMAJXXXA,ABS4,ABS2,ABS10,SS510B,FR1MBF,S3AF,RS1GF,2SC1623,1N4001L,AO4953,AO4832,ES1JF,IRLML2402,MMST4403,GBJ2510,DL4007,SS510F,RS1GL,ABS05,AO4606,HKTD70N04,SMCJXXXCA,D882,GBP310,AO4840,BAR43,ES2JF,HKTQ30N03,1SS355,S2303,A42,2SC2412,1N4148W,2SD1007,ES2JA,MB2F,ABS210,ER2MF,MMBT3904,MMBT3906,ES1GF,RS1AL,ER1JF,BAT54,ER1JL,MB2S,BAV99,MMBD4448W,ES1GL,MMBD914,RS1AF,BC848C,S3BF,MB1F,1SS184,1SS187,BC848A,MBR0520L,1SS181,BC848B,BAS40,GBP410,1N4004L,RS2BL,78M 系列,ES3JF,MB1S,LL4148,HKTE130N12,RS3DF,RS2BF,BC847B,BC847C,MB4F,2SC2873,S1AF,SI2312,BAV21WS,RS2JBF,S8050,BC847A,BAV70,AO3420,MMBT2907,AO3421,BCX51,MMBD4148,ER2JF,BCX53,BCX54,MB4S,BCX56,BAS16,HKTD80N10,RS3GF,BAS19,1N5819LWT,S9013,BC846C,S9014,BC846A,S9015,BC858B,PXT3904,SI2306,BC858C,BC846B,S3DF,SI2301,US1ML,SI2302,S9012,MMST5551,SI2300,PXT3906,BC858A,RS1BL,HKTD80N06,ER1GF,BAS21,RS2DL,SS8550,HKTQ30P03,ES1DF,KBP201,US1MF,RS2DF,ES1DL,BAV21W,RB551V-30,ER1GL,S9018,HKTD80N03,RS1BF,KBP204,RS1MF,RS1ML,UF2BL,MB6F,UF1A),FR1JBF,SS110,SMFXXXA,1N4007W,UF3DF,UF2BF,ER3JF,MB6S,1N4007L,SS34L,S9015W,1N4148WL,SS34A,SS22A,SS34B,SS34C,1N4148WS,SS34F,1N4148WT,BAV16W,MMBTA44,MMBTA42,S12309,S1BF,UF1AL,S12305,SS220,S12307,UF1AF,S12301,GSIM,ES2DF,ES1BF,SS5XC,S3GF,ES2DL,ES1BL,2N7002,MB8F,ES1D,ES1G,SS3XB,SS3XC,ES1J,HKTD50N06,UF3BF,M1L,GBU610,ES1M,GBJ610,FR3AF,HKTD50N03,SS24W,SS24L,MB8S,SS12L,ER1DF,BSS84,SS24B,SS36C,BAW56,S3JF,ES1AF,SS36F,SS24F,ES1AL,MMBD4148SE,ES2A,ER1DL,ES2B,UF2AL,SS36A,S1DF,FR2JBF,GBU1010,SS24A,SS36B,UF2AF,GBJ1010,FR3BF,AO9926A,S9014W,ES2BF,MMBT5551,SMAZ5V1-SMAZ39,ES2BL,ES1A,ES1B,ER1D,ER1G,MMBTA94,HKTG160N10,MMBTA92,RS2KF,ER1J,ES3M,GBU2010,FR2AF,ES1JBF,AO4812,2SC1815,FR2AL,ER2DF,1N4448W,BAS70WS,SS54A,ER1BF,SS54B,ES2AF,ER1BL,ER2A,ES2AL,ER2B,BC807,B5817WS,SS54F,ER2D,ER2DL,ES2D,BZT52BXXX,M4L,ES2J,B0520WS,RS2JF,B5819LWT,ES2M,FR3DF,UF3AF,AO4826,1N4007WS,FR2BF,SMFXXXCA,FR2BL,BAV23,HKT6216-3V3,RS2JL,S1GF,ER1AF,BC817,MMBD4148W,SS8050,S3KF,ER1A,ER1AL,ER1B,RS2MF,RS1KF,GBJ810,BZT52CXXX,1N5818,SS5XB,1N5817,1N5819,FR1AF,GBU810,SS54BF,B5818WS,FR1AL,SM15TXXXCA,RS1KL,ER2BF,FR1A,ER2BL,HKTE150N15,ER2AL,2SC1623 L6,2SC1623 L7,ER2J,2SC1623 L4,RS1JF,2SC1623 L5,FR2DF,ER2M,AO4803,FR1BF,HKTG150N03,HKTG150N06,HKTD15N10,FR2DL,AO4801,FR1BL,2SD2150,GBJ3510,RS1JL,ER2AF,FL8205,M7F,HKTQ65N03,S3MF
Schottky Diode SD103AWS Can be Used in Communication Power Supply, Smart Plug, Lighting and Other Fields
Schottky diodes are often made of metal-semiconductor (M-S) contact characteristics, and there are two die structures: point contact type and surface combination type. Usually, this diode has the advantages of high switching frequency, low forward voltage, short reverse recovery time, strong surge current tolerance and high temperature resistance, and can be used in RF signal rectification and low voltage reference circuits. In this issue, Hottech recommends a Schottky diode SD103AWS, which can be used in communication power supply, smart plug and lighting.
产品 发布时间 : 2024-09-10
What are the differences between diodes?
There are many types of diodes, each with different functions and different from each other, so when we choose a product, we must choose a suitable product according to its different characteristics.
原厂动态 发布时间 : 2022-07-12
Heketai‘s Discrete Component Products Like 1N4004L Rectifier Diode and S8550 Transistor Can Be Used for Common Electric Bicycles
Electric bicycle is a common traffic work. Usually, electric bicycle uses battery as energy source, and is equipped with motor, controller, handlebar, brake handle and display instrument system on the basis of bicycle, which constitutes a mature control system. This article explains the discrete device products in electric bicycles.
应用方案 发布时间 : 2024-08-22
合科泰1N4004L整流二极管、1N4148W开关二极管和S8550三极管等产品可应用在电动自行车上
电动自行车是一种常用的交通工作,通常,电动自行车以电池作为能源,在自行车基础上安装了电机、控制器、转把、闸把等部件以及显示仪表系统等,组成了一套成熟的控制系统。本文给大家讲解电动自行车里面的分立器件产品。
应用方案 发布时间 : 2024-08-21
合科泰二三极管MOS在电动双轮车上的应用:在电路中起到开关、整流、放大、稳压等作用
随着电动双轮车方案的不断成熟,产业配套更加完善,产品性能继续提升的同时,价格也更合理。电动双轮车的工作原理是什么样的?二三极管MOS在电动双轮车上又有怎着样的应用呢?本期,合科泰电子带大家熟悉电动车的工作及内部结构,并为大家介绍二三极管及MOS管在电动双轮车上的应用。
应用方案 发布时间 : 2024-05-12
Ultra-fast Recovery Diode ES1JL can be Used in Pulse Modulation and Frequency Converter Applications
Ultra-fast recovery diode has the characteristics of good switching characteristics and short reverse recovery time, and is used as a switch and rectifier device in switching power supply, PWM pulse width modulator and frequency converter. In this issue, Heketai introduces an ultra-fast recovery diode ES1JL, which has many applications in rectifier and switching circuits.
产品 发布时间 : 2024-07-11
Application of Diode MOS in Electric Two-wheeled Vehicle
Hottech‘s products used in the whole electric two-wheeled vehicle include diodes, triodes and MOS tubes, which play a role in switching, rectifying, amplifying and stabilizing voltage in the circuit.
应用方案 发布时间 : 2024-06-01
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