Choosing the appropriate TVS (Transient Voltage Suppressor) protects the product from latch-up.
With the development and improvement of USB interfaces and protocols, many smart products are adopting USB Type-C as their connection interface. This allows for the support of diverse video, audio, and data transmission at higher transfer speeds. At the same time, signal transmission has become more susceptible to interference from external power surges. Therefore, the use of TVS diodes for surge protection should be more stringent. However, if users pursue only TVS devices with low clamp voltages without considering other parameters such as operating voltage, there is a risk of affecting real-time communication on the Type-C interface or, in extreme cases, causing latch-up due to EOS (electrical overload), which could damage the circuit. To achieve proper and effective transient voltage surge protection in the interfaces of electronic products with complex signal and power lines, adding TVS diodes to the interface will be the most effective protection solution.
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For VBUS Part No Application AZ3105-01FOnly for 5V VBUS AZ4507-01FOnly for 5V VBUS AZ4510-01FFor VBUS <= 10V AZ4512-01FFor VBUS <= 12V AZ4520-01FFor VBUS <= 20V AZ4307-01FFor VBUS <= 7V AZ4712-01FFor VBUS <= 12V AZ4718-01FFor VBUS <= 18V AZ4724-01FFor VBUS <= 20V For TX/RX Part No Channel # AZ1043-04F4 lines AZ1043-08F8 lines AZ176S-04F4 lines AZ5B8S-01F1 lines For D+ D- CC SBU AZ1045-04F4 lines AZ1045-08F8 lines AZ5515-02F2 lines AZC199-04S4 lines
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By using the specifications of USB 3.2 Gen2x2 and a Type-C connector, it can achieve a maximum signal transfer speed of 20Gbps and support fast charging with up to 20V/5A (100W) power through PD (Power Delivery) technology. Since Type-C increases not only data transfer speeds but also power transfer capabilities, it becomes particularly important to add TVS protection to the interface to ensure that data transmission in actual applications is not hindered by power surges and to guarantee the stability of power transmission.
Company information
MCM Japan aims to be a partner that fights alongside our customers in the intense competition from product development to sales amid the restructuring and diversification of needs that the electronics industry is experiencing for the first time. Not only will we introduce cutting-edge products, but we will also devote ourselves to educating and training our suppliers and establishing a technical support system for our customers to meet their needs. This has been the spirit of our company since its founding and is also the origin of our company name.
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