群芯微 QX341 是一款性能出色的柵極驅(qū)動(dòng)光電耦合器
電氣特性
輸出電流：峰值輸出電流可達(dá) 3.0A，最小峰值輸出電流為 2.5A。如此高的輸出電流，使其能夠?yàn)楣β?IGBT 和 MOSFET 提供足夠的驅(qū)動(dòng)能力，可滿足各種中大功率驅(qū)動(dòng)需求，比如在工業(yè)變頻器、大功率電機(jī)控制等場(chǎng)景中，能確保功率器件快速、穩(wěn)定地導(dǎo)通和關(guān)斷。
Output current: The peak output current can reach 3.0A, the minimum peak output current is 2.5A. Such a high output current enables it to provide enough drive capacity for power IGBTs and MOSFETs to meet a variety of medium - and high-power drive needs, such as in industrial frequency converters, high-power motor control scenarios, to ensure that the power device is quickly and stably switched on and off.

供電電流：ICC 典型值為 3mA。較低的供電電流有助于降低整體功耗，在保證器件正常工作的同時(shí)，提高了能源利用效率，使系統(tǒng)更加節(jié)能。
The typical ICC value is 3mA. The lower supply current helps to reduce the overall power consumption, improve the energy utilization efficiency while ensuring the normal operation of the device, and make the system more energy saving.

電源電壓：工作電壓范圍為 15V 至 30V。寬電壓范圍設(shè)計(jì)，讓其能適應(yīng)多種不同的電源系統(tǒng)，在不同的應(yīng)用場(chǎng)景中無(wú)需復(fù)雜的電源轉(zhuǎn)換電路，即可穩(wěn)定工作，增強(qiáng)了產(chǎn)品的通用性和適應(yīng)性。
The operating voltage range is 15V to 30V. Wide voltage range design, so that it can adapt to a variety of different power systems, in different application scenarios without complex power conversion circuit, can work stably, enhance the versatility and adaptability of the product.

共模抑制比：在 VCM=1500V 時(shí)，最小共模抑制比（CMR）可達(dá) 35kV/μs。高共模抑制比意味著該光耦能有效抑制共模干擾信號(hào)，在復(fù)雜的電磁環(huán)境下，如工業(yè)現(xiàn)場(chǎng)的強(qiáng)電磁干擾環(huán)境中，仍能保證輸出信號(hào)的純凈和穩(wěn)定，確保系統(tǒng)的可靠性和穩(wěn)定性。
傳輸延遲：傳播延遲最大為 200ns，傳播延遲差為 100ns?？焖俚膫鬏斔俣饶軌?qū)崿F(xiàn)控制信號(hào)的快速傳輸和響應(yīng)，使功率器件能夠及時(shí)準(zhǔn)確地按照控制信號(hào)的要求進(jìn)行動(dòng)作，適用于對(duì)開(kāi)關(guān)速度要求較高的應(yīng)用場(chǎng)合，如高頻開(kāi)關(guān)電源、高速電機(jī)控制等。
At VCM=1500V, the minimum common-mode rejection ratio (CMR) can reach 35kV/μs. The high common-mode rejection ratio means that the optocoupler can effectively suppress common-mode interference signals, and can still ensure the purity and stability of the output signal in complex electromagnetic environments, such as strong electromagnetic interference environments in industrial sites, to ensure the reliability and stability of the system.
Transmission delay: The maximum propagation delay is 200ns, and the propagation delay difference is 100ns. The fast transmission speed can realize the fast transmission and response of the control signal, so that the power device can act in a timely and accurate manner according to the requirements of the control signal, which is suitable for applications with high switching speed requirements, such as high-frequency switching power supply and high-speed motor control.

光學(xué)特性
發(fā)光源：采用砷化鋁鎵（AlGaAs）的發(fā)光二極管。這種材料的發(fā)光二極管具有發(fā)光效率高、穩(wěn)定性好等特點(diǎn)，能夠產(chǎn)生強(qiáng)度穩(wěn)定、波長(zhǎng)合適的紅外光信號(hào)，為光耦合傳輸提供了良好的光源基礎(chǔ)。
Light emitting diodes using aluminum gallium arsenide (AlGaAs). The light-emitting diode of this material has the characteristics of high luminous efficiency and good stability, and can generate the infrared light signal with stable intensity and appropriate wavelength, which provides a good light source basis for optical coupling transmission.

電流傳輸比：雖無(wú)明確具體數(shù)值，但作為高速驅(qū)動(dòng)光耦，其電流傳輸比能滿足信號(hào)準(zhǔn)確傳輸和邏輯電平轉(zhuǎn)換要求，可確保在不同輸入信號(hào)強(qiáng)度下，都能輸出相應(yīng)比例的穩(wěn)定信號(hào)，保證光耦合傳輸過(guò)程中信號(hào)的準(zhǔn)確性和可靠性。
Although there is no specific value, as a high-speed drive optocoupler, its current transmission ratio can meet the requirements of accurate signal transmission and logic level conversion, which can ensure that under different input signal strengths, the corresponding proportion of stable signals can be output, ensuring the accuracy and reliability of signals in the process of optical coupling transmission.

隔離特性
隔離電壓：可達(dá) 5000Vrms。高隔離電壓能夠有效隔離高低壓電路，防止高壓部分的電氣噪聲和干擾信號(hào)傳播到低壓控制部分，保護(hù)低壓電路和設(shè)備的安全，同時(shí)也能避免操作人員觸電風(fēng)險(xiǎn)，確保系統(tǒng)的安全性和穩(wěn)定性。
Up to 5000Vrms. The high isolation voltage can effectively isolate the high and low voltage circuit, prevent the electrical noise and interference signal from the high voltage part to the low voltage control part, protect the safety of the low voltage circuit and equipment, but also avoid the risk of electric shock to the operator, and ensure the safety and stability of the system.

爬電距離和電氣間隙：爬電距離≥7mm，外部電氣間隙≥7mm。較大的爬電距離和電氣間隙，可防止在高電壓環(huán)境下出現(xiàn)沿絕緣表面的放電現(xiàn)象，提高了器件在高壓環(huán)境下的絕緣性能和可靠性。
Creepage distance ≥7mm, external electrical clearance ≥7mm. The larger creepage distance and electrical gap can prevent the discharge along the insulation surface in high voltage environment, and improve the insulation performance and reliability of the device in high voltage environment.

機(jī)械與環(huán)境特性
封裝形式：有 SOP-6 和 SOP-8 等封裝形式。SOP-6 封裝具有體積小、引腳布局緊湊的特點(diǎn)，適合在空間有限的電路板上使用；SOP-8 封裝則在引腳數(shù)量和功能擴(kuò)展性上有一定優(yōu)勢(shì)，可滿足不同的電路設(shè)計(jì)需求。
The packages are available in SOP-6 and SOP-8. The SOP-6 package has the characteristics of small size and compact pin layout, which is suitable for use on boards with limited space. The SOP-8 package has certain advantages in the number of pins and functional scalability to meet different circuit design needs.

工作溫度范圍：為 - 40℃至 105℃。寬泛的工作溫度范圍，使 QX341 能適應(yīng)各種惡劣的工作環(huán)境，無(wú)論是在寒冷的戶外環(huán)境還是高溫的工業(yè)生產(chǎn)現(xiàn)場(chǎng)，都能保持穩(wěn)定的性能，確保在不同溫度條件下系統(tǒng)的正常運(yùn)行。
From -40 ° C to 105 ° C. The wide operating temperature range enables the QX341 to adapt to a variety of harsh working environments, whether it is in a cold outdoor environment or a high temperature industrial production site, and can maintain stable performance to ensure the normal operation of the system under different temperature conditions.

其他特性：具備 UL 認(rèn)證，認(rèn)證編號(hào)為 UL-US-2202094-0，產(chǎn)品符合相關(guān)安全標(biāo)準(zhǔn)，可放心應(yīng)用于各種需要安全認(rèn)證的場(chǎng)合。此外，該器件還具有 UVLO 欠壓鎖定（保護(hù)滯后）功能，當(dāng)電源電壓低于一定閾值時(shí)，能自動(dòng)鎖定輸出，防止因欠壓導(dǎo)致器件工作異常，保護(hù)系統(tǒng)中的其他元件。
With UL certification, certification number UL-US-2202094-0, the product meets the relevant safety standards, and can be trusted to be used in a variety of occasions requiring safety certification. In addition, the device also has a UVLO undervoltage lock (protection lag) function, when the power supply voltage is below a certain threshold, it can automatically lock the output, prevent the device from working abnormally due to undervoltage, and protect other components in the system.

審核編輯 黃宇