Catalog excerpts
• Ultra-small, ultra-thin, chip scale DFN package * Compliant with TIA/EIA-485A standard • I/O power supply range supports 3.3V and 5V microprocessors • High isolation to 3750Vrms • Bus-Pin ESD protection up to 15kV(HBM) • Baud rate up to 1 Mbps • > 25kV/|js CMTI • Low communication delay • 1/8 unit load—up to 256 nodes on a bus • Bus fail-safe • Bus driver short circuit protection • Industrial operating ambient temperature range: -40°C to +105°C • Meet AEC-Q100 Standards • EN62368 approval • Moisture Sensitivity Level (MSL) 3 • Industrial Automation • Building Automation • Smart Electricity Meter • Remote Signal Interaction, Transmission TD041S485H is a half-duplex enhanced transceiver designed for RS-485 data bus networks, which is fully compliant with TIA/EIA-485A standard and is suitable for data transmission of up to 1 Mbps. Their logic side supports 3.3V and 5V logic level conversion. Receivers have an exceptionally high input impedance, which places only 1/8 of the standard load on a shared bus and up to 256 transceivers . TD041S485H reliability design of A, B pin is emphasized, including driver output over current protection and enhanced ESD design. The ESD protection level of A,B pin can be up to 15KV (Human Body Model). MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 1 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final
Open the catalog to page 1Internal Block Diagram Table 1. Driver Function Table MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 2 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 2MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 3 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 3Recommended Operating Conditions RL Differential output load resistance Signaling rate Electrical Characteristics General test conditions and VDD1=VDD2= 5V, Ta = 25℃ (unless otherwise specified). DRIVER RL = ∞, Figure 9 RL = 27 Ω (RS-485), Figure 9 Differential Driver Output Δ |VOD| for Complementary Output States Common-Mode Output Voltage Δ |VOC| for Complementary Output States Output Short-Circuit Current Input High Voltage Positive Differential Input Threshold Voltage Negative Differential Input Threshold Voltage Hysteresis Voltage (VIT+ – VIT–) Differential Input Resistance(A,B) RXD...
Open the catalog to page 4Physical Specifications PARAMETERS Typical Performance Curves ____ TEMPERATURE(°C) Figure3. Unloaded Supply Current us. Temperature MORNSUN Guangzhou Science & Technology Co.. Ltd. 2020.08.06-A/2 Page 5 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 5Figure7. Driver Progation Delay ys. TEMPERATURE(°C) Figure 8. Receiver Progation Delay vs. Temperature Figure 12. Receiver Propagation Delay Test Circuit and Waveforms MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 6 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 6Detailed Description TD041S485H is an advanced RS-485 transceivers. They each contain one driver and one receiver. These devices feature a fail-safe circuitry that guarantees a high receiver output voltage when the receiver inputs are either open, shorted or when they are connected to a terminated transmission line with all drivers disabled. TD041S485H operates with a two power supply. Their logic side supports 3.3V and 5V logic level conversion. The whole machine can monitor the overall working state of the module and limit the output high current to prevent the bus from overload or short...
Open the catalog to page 7THIRD ANGLE PROJECTION • Not: Unit :mm[inch] Pin diameter tolerances : ± 0.10[ ± 0.004] MORNSUN Guangzhou Science & Technology Co.. Ltd.2020.08.06-A/2 Page 8 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of fina
Open the catalog to page 8Quadrant assignments for PIN 1 orientation in tape ■$- -f-F ~^r -i$- tjF -Sprocket holes Note: The product will be available after July 30th. MORNSUN Guangzhou Science & Technology Co., Ltd. Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Huangpu District, Guangzhou, P. R. China Tel: 86-20-38601850 Fax:86-20-38601272 E-mail: info@mornsun.cn www.mornsun-power.com MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 9 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
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