Based on the accumulation of bus isolation technology and process experience for nearly 20 years, ZHIYUAN Electronics has launched the SM series of highly integrated fully isolated RS-485 transceivers that integrate power isolation, RS-485 transceiver circuits and signal isolation circuits.
Compared with the traditional module solutions, SM series fully isolated RS-485 transceiver chip integrates a comprehensive RS-485 bus isolation circuit in an ultra-small and ultra-thin DFN package. It supports a Baud rate of up to 10Mbps, and the operating temperature covers -40℃~125℃. It can meet the requirements of RS-485 bus isolation in various complex and harsh industrial fields.
Selection Table
| Product Number | Datasheet | Package | Supply voltage | Baud rate (bps) | Isolation voltage (VDC) | Number of nodes | Ambient temperature | Sample |
|---|---|---|---|---|---|---|---|---|
SM4500 | download | DFN16 | 3.15V~5.25V | 10M | 3500 | 256 | -40~125 | Request samples |
| SM4500H | download | DFN16 | 3.15V-5.25V | 10M | 5000 | 256 | -40～125 | Request samples |
| SM4510 | download | DFN20 | 3.15V~5.25V | 10M | 3500 | 256 | -40~125 | Request samples |
| SM4510H | download | DFN20 | 3.15V~5.25V | 10M | 5000 | 256 | -40~125 | Request samples |
SiP upgraded, a more convenient isolated bus solution
SM series isolated RS-485 transceiver chip is packaged in DFN, which supports automatic patch production. Moreover, the “three-in-one” design of the product can realize the complete RS-485 bus isolation of a single chip, and the dimension is only 12.45*9.85*3.00mm. Compared with the traditional chip solutions, it has a convenient application mode, which can effectively improve the production efficiency of users and the stability of products.
Performance enhanced, stronger adaptability to working conditions
SM series isolated RS-485 transceiver chip is made by mature SiP technology. It has passed the EMC test, combining with the product’s ultra-wide temperature adaptation range of -40℃~125℃. It has stronger adaptability to working conditions, meeting the requirements of most industrial field applications.
Power innovation, a better power supply solution
SM series fully isolated RS-485 transceiver chip realizes technical innovation based on ZLG independent power IC design. Compared with conventional products, it has built-in short circuit protection, over-temperature protection and other protection circuits, and supports a wide-voltage input of 3.3V~5V. Combining with the excellent transceiver level compatibility characteristics of the product, it is compatible with 3.3 V and 5 V systems, meeting the requirements of most RS-485 bus isolation design.
Technological innovation of ZHIYUAN helps open up a new pattern of bus isolation
After nearly 20 years of technology accumulation, Zhiyuan Electronics has realized technical innovation and provided stable and efficient board-level power supply solutions for electric power, industrial control, rail transit, coal mine, intelligent buildings, instruments, petrochemical industry and other industrial fields.
