威世VOL3120替代群芯微驱动光电耦合器QX341美林美深

群芯微 QX341 是一款性能出色的栅极驱动光电耦合器
电气特性
输出电流：峰值输出电流可达 3.0A，最小峰值输出电流为 2.5A。如此高的输出电流，使其能够为功率 IGBT 和 MOSFET 提供足够的驱动能力，可满足各种中大功率驱动需求，比如在工业变频器、大功率电机控制等场景中，能确保功率器件快速、稳定地导通和关断。
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.

供电电流：ICC 典型值为 3mA。较低的供电电流有助于降低整体功耗，在保证器件正常工作的同时，提高了能源利用效率，使系统更加节能。
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.

电源电压：工作电压范围为 15V 至 30V。宽电压范围设计，让其能适应多种不同的电源系统，在不同的应用场景中无需复杂的电源转换电路，即可稳定工作，增强了产品的通用性和适应性。
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 时，最小共模抑制比（CMR）可达 35kV/μs。高共模抑制比意味着该光耦能有效抑制共模干扰信号，在复杂的电磁环境下，如工业现场的强电磁干扰环境中，仍能保证输出信号的纯净和稳定，确保系统的可靠性和稳定性。
传输延迟：传播延迟最大为 200ns，传播延迟差为 100ns。快速的传输速度能够实现控制信号的快速传输和响应，使功率器件能够及时准确地按照控制信号的要求进行动作，适用于对开关速度要求较高的应用场合，如高频开关电源、高速电机控制等。
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.

光学特性
发光源：采用砷化铝镓（AlGaAs）的发光二极管。这种材料的发光二极管具有发光效率高、稳定性好等特点，能够产生强度稳定、波长合适的红外光信号，为光耦合传输提供了良好的光源基础。
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.

电流传输比：虽无明确具体数值，但作为高速驱动光耦，其电流传输比能满足信号准确传输和逻辑电平转换要求，可确保在不同输入信号强度下，都能输出相应比例的稳定信号，保证光耦合传输过程中信号的准确性和可靠性。
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.

隔离特性
隔离电压：可达 5000Vrms。高隔离电压能够有效隔离高低压电路，防止高压部分的电气噪声和干扰信号传播到低压控制部分，保护低压电路和设备的安全，同时也能避免操作人员触电风险，确保系统的安全性和稳定性。
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.

爬电距离和电气间隙：爬电距离≥7mm，外部电气间隙≥7mm。较大的爬电距离和电气间隙，可防止在高电压环境下出现沿绝缘表面的放电现象，提高了器件在高压环境下的绝缘性能和可靠性。
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.

机械与环境特性
封装形式：有 SOP-6 和 SOP-8 等封装形式。SOP-6 封装具有体积小、引脚布局紧凑的特点，适合在空间有限的电路板上使用；SOP-8 封装则在引脚数量和功能扩展性上有一定优势，可满足不同的电路设计需求。
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.

工作温度范围：为 - 40℃至 105℃。宽泛的工作温度范围，使 QX341 能适应各种恶劣的工作环境，无论是在寒冷的户外环境还是高温的工业生产现场，都能保持稳定的性能，确保在不同温度条件下系统的正常运行。
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：具备 UL 认证，认证编号为 UL-US-2202094-0，产品符合相关安全标准，可放心应用于各种需要安全认证的场合。此外，该器件还具有 UVLO 欠压锁定（保护滞后）功能，当电源电压低于一定阈值时，能自动锁定输出，防止因欠压导致器件工作异常，保护系统中的其他元件。
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.

审核编辑 黄宇