電氣特性
輸入特性:
正向電壓:典型值一般在 1.2V 到 1.4V 左右,在規(guī)定的正向電流下,發(fā)光二極管的正向壓降相對(duì)較低,有助于降低輸入功耗。
正向電流:通常為 5mA 到 10mA,較小的輸入電流即可使光耦正常工作,便于與各種低功耗的控制電路相連接。
Forward voltage: The typical value is generally about 1.2V to 1.4V, and the forward voltage drop of the LED is relatively low at the specified forward current, which helps to reduce the input power consumption.
Forward current: usually 5mA to 10mA, the smaller input current can make the optocoupler work normally, easy to connect with a variety of low-power control circuits.
輸出特性:
輸出類型:推挽 MOSFET 輸出級(jí),這種輸出結(jié)構(gòu)能夠提供較強(qiáng)的驅(qū)動(dòng)能力和快速的開關(guān)速度,可有效驅(qū)動(dòng)大多數(shù)中功率 IGBT 和 MOSFET。
輸出電流:具有 0.5A 的高輸出電流能力,能夠滿足中功率 IGBT 和 MOSFET 的驅(qū)動(dòng)需求,確保在高負(fù)載情況下也能穩(wěn)定可靠地工作。
Output type: Push-pull MOSFET output stage, this output structure can provide strong drive capability and fast switching speed, can effectively drive most medium power IGBTs and MOSFETs.
Output current: With a high output current capacity of 0.5A, it can meet the drive requirements of medium power IGBT and MOSFET, ensuring stable and reliable operation under high load conditions.
光學(xué)特性
發(fā)光波長:內(nèi)部采用鎵鋁砷化合物(AlGaAs)的發(fā)光二極管作為發(fā)光源,其發(fā)光波長一般在 850nm 左右,該波長的光具有較高的發(fā)光效率和較好的光電轉(zhuǎn)換性能,能夠有效地實(shí)現(xiàn)光信號(hào)的傳輸和耦合。
電流傳輸比:雖然具體數(shù)值未明確給出,但在實(shí)際應(yīng)用中,其電流傳輸比能夠滿足高速信號(hào)傳輸和邏輯電平轉(zhuǎn)換的要求,確保輸入信號(hào)與輸出信號(hào)之間的有效耦合和準(zhǔn)確轉(zhuǎn)換。
Luminous wavelength: the internal use of gallium, aluminum and arsenic compounds (AlGaAs) LED as a light source, its luminous wavelength is generally about 850nm, the wavelength of light has a high luminous efficiency and better photoelectric conversion performance, can effectively achieve the transmission and coupling of optical signals.
Current transmission ratio: Although the specific value is not clearly given, in practical applications, its current transmission ratio can meet the requirements of high-speed signal transmission and logic level conversion, ensuring the effective coupling and accurate conversion between the input signal and the output signal.
傳輸速度
數(shù)據(jù)傳輸速率:具有較高的數(shù)據(jù)傳輸速率,能夠快速地傳輸驅(qū)動(dòng)信號(hào),滿足電機(jī)控制逆變器以及高性能電力系統(tǒng)中對(duì)快速切換驅(qū)動(dòng)功率 IGBT 和 MOSFET 的要求,確保系統(tǒng)的高效運(yùn)行。
Data transmission rate: With a high data transmission rate, it can quickly transmit the drive signal, meet the requirements of the motor control inverter and high-performance power system for fast switching drive power IGBT and MOSFET, and ensure the efficient operation of the system.
共模抑制特性
共模抑制比:典型值較高,一般在 10kV/μs 以上,最小 CMR 也能達(dá)到 5kV/μs 左右,具有出色的共模抑制性能,能有效地抑制共模噪聲和干擾信號(hào),保證信號(hào)在傳輸過程中的完整性和準(zhǔn)確性,使其在惡劣的電磁環(huán)境中仍能穩(wěn)定工作。
Common mode rejection ratio: The typical value is high, generally above 10kV/μs, and the minimum CMR can also reach about 5kV/μs, with excellent common mode rejection performance, which can effectively suppress common mode noise and interference signals, ensure the integrity and accuracy of the signal during transmission, so that it can still work stably in the harsh electromagnetic environment.
工作電壓與耐壓
工作電壓:通常具有較寬的工作電壓范圍,可適應(yīng)不同的工作電源需求,其耐壓值一般可達(dá) 5000Vrms 以上,能夠在較高的電壓環(huán)境下穩(wěn)定工作,有效地實(shí)現(xiàn)輸入電路與輸出電路之間的電氣隔離,保障系統(tǒng)的安全性和可靠性。
Working voltage: usually has a wide range of working voltage, can adapt to different working power needs, its voltage value can generally reach 5000Vrms or more, can work stably in a higher voltage environment, effectively realize the electrical isolation between the input circuit and the output circuit, to ensure the safety and reliability of the system.
工作溫度范圍
能夠在 - 40℃至 + 105℃的寬溫度范圍內(nèi)穩(wěn)定工作,在不同的環(huán)境溫度下,其電氣特性和光學(xué)特性的變化較小,具有良好的溫度穩(wěn)定性,可滿足各種工業(yè)、汽車電子、家電等領(lǐng)域的應(yīng)用需求,在惡劣的溫度條件下仍能保證系統(tǒng)的正常運(yùn)行。
It can work stably in a wide temperature range of -40 ° C to + 105 ° C, under different ambient temperatures, the change of its electrical and optical characteristics is small, and it has good temperature stability, which can meet the application needs of various industries, automotive electronics, home appliances and other fields, and can still ensure the normal operation of the system under harsh temperature conditions.
封裝形式
常見的封裝形式為 SOP 封裝或 DIP 封裝,如 QX3150-CuH-M 中的 “M” 可能表示某種特定的封裝形式,這種封裝形式具有體積小、引腳間距小、便于安裝和焊接等優(yōu)點(diǎn),適用于高密度電路板的設(shè)計(jì)和應(yīng)用。
The common package form is SOP package or DIP package. For example, the "M" in QX3150-CuH-M may represent a specific package form, which has the advantages of small size, small pin spacing, easy installation and welding, and is suitable for the design and application of high-density circuit boards.
應(yīng)用領(lǐng)域
電機(jī)控制領(lǐng)域:在電機(jī)控制系統(tǒng)中,QX3150 可用于驅(qū)動(dòng) IGBT 或 MOSFET,實(shí)現(xiàn)電機(jī)的變頻調(diào)速、正反轉(zhuǎn)控制等功能,其高輸出電流和快速的開關(guān)速度能夠確保電機(jī)的高效運(yùn)行和精確控制。
光伏逆變器領(lǐng)域:在光伏逆變器中,QX3150 可用于驅(qū)動(dòng)功率開關(guān)器件,將直流電轉(zhuǎn)換為交流電并并入電網(wǎng),其高耐壓和良好的共模抑制性能能夠保證逆變器在復(fù)雜的電網(wǎng)環(huán)境下穩(wěn)定可靠地工作。
工業(yè)自動(dòng)化領(lǐng)域:在工業(yè)自動(dòng)化設(shè)備中,QX3150 可用于驅(qū)動(dòng)各種功率器件,如繼電器、接觸器、電磁閥等,實(shí)現(xiàn)對(duì)工業(yè)設(shè)備的控制和自動(dòng)化操作,其寬溫度范圍和高可靠性能夠滿足工業(yè)現(xiàn)場(chǎng)的惡劣環(huán)境要求。
汽車電子領(lǐng)域:群芯微擁有 AEC-Q101 車規(guī)認(rèn)證,其 QX3150 產(chǎn)品可用于汽車的電子控制系統(tǒng),如電動(dòng)汽車的電機(jī)驅(qū)動(dòng)系統(tǒng)、車載充電器、DC-DC 轉(zhuǎn)換器等,滿足汽車電子對(duì)可靠性、穩(wěn)定性和安全性的嚴(yán)格要求。
Motor control field: In the motor control system, QX3150 can be used to drive IGBT or MOSFET, to achieve the motor frequency control, positive and negative rotation control and other functions, its high output current and fast switching speed can ensure the efficient operation and accurate control of the motor.
Photovoltaic inverter field: In photovoltaic inverters, QX3150 can be used to drive power switching devices, convert direct current into alternating current and into the power grid, and its high voltage resistance and good common mode rejection performance can ensure that the inverter works stably and reliably in a complex power grid environment.
Industrial automation field: In industrial automation equipment, QX3150 can be used to drive various power devices, such as relays, contactors, solenoid valves, etc., to achieve the control and automatic operation of industrial equipment, its wide temperature range and high reliability can meet the harsh environmental requirements of industrial sites.
Automotive electronics: With AEC-Q101 certification, QX3150 products can be used in automotive electronic control systems, such as electric vehicle motor drive systems, on-board chargers, DC-DC converters, etc., to meet the strict requirements of automotive electronics for reliability, stability and safety.
審核編輯 黃宇
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光電耦合器
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