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CAN / 485 /232 bus interface TD(H)541SCANFD

CAN / 485 /232 bus interface TD(H)541SCANFD
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CAN / 485 /232 bus interface TD(H)541SCANFD - 1

• Ultra-small, ultra-thin, chip scale DFN package • Compliant with ISO11898-2 standard • Integrate 5V efficiently power supply • I/O power supply range supports 3.3V and 5V microprocessors • High isolation to 3000VDC (TDH541 SCANFD 5000VDC) • Bus-Pin ESD protection up to 15kV(HBM) • Baud rate up to 5Mbps • -58V to +58V bus fault protection • >25kV/us CMTI • TXD dominant time-out function • Low communication delay • The bus supports maximum 110 nodes • Industrial operating ambient temperature range: -40°C to +125°C • Meet AEC-Q100 standards • EN62368 approval • Moisture Sensitivity Level (MSL) 3 • Industrial automation, control, sensors and drive systems • Building and greenhouse environmental control(HVAC) automation • Security system • Transport • Medical treatment • Telecommunication • CAN Bus standard such as CAN open, Device Net, NMEA2000, ARNIC825, ISO11783, CAN Kingdom, CAN aerospace TD(H)541SCANFD is a isolated CAN Bus transceiver, which is compliant with ISO11898-2 standard. Their logic side supports 3.3V and 5V logic level conversion. TD(H)541SCANFD integrate 5 V efficiently power. The TD(H)541SCANFD provide differential transmitting and receiving capability between the CANFD protocol controller and the physical layer bus. It is capable of running at data rates of up to 5 Mbps. The device has the function of series line, over-voltage(-58V to 58V), ground loss protection and thermal shutdown so that it is especially suitable for working in harsh environment. 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 o

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CAN / 485 /232 bus interface TD(H)541SCANFD - 2

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

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CAN / 485 /232 bus interface TD(H)541SCANFD - 3

MORNSUN 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

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CAN / 485 /232 bus interface TD(H)541SCANFD - 4

General test conditions and Vcc=Vio= 5V, Ta = 25°C (unless otherwise specified). Electrical Characteristics PARAMETERS MORNSUN Guangzhou Science & Technology Co., Ltd. 2020.08.06-A/2 Page 4 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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CAN / 485 /232 bus interface TD(H)541SCANFD - 5

Transmission Characteristics General test conditions and VCC=VIO= 5V, Ta = 25℃ (unless otherwise specified). PARAMETERS tonTXD toffTXD tonRXD toffRXD tdom Dominant time-out time Propagation delay TXD On to bus active Propagation delay TXD Off to bus inactive Propagation delay RXD On to receiver active Propagation delay RXD Off to receiver inactive Physical Specifications PARAMETERS Typical Performance Curves Figure 1 Drive differential output voltage dominant VS Temperature Figure 2 Drive differential output voltage dominant VS Working voltage Figure 3 Propagation delay from TXD On to bus...

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CAN / 485 /232 bus interface TD(H)541SCANFD - 6

Figure 5 Propagation delay from TXD On to receiver active VS Temperature Figure 6 Receiver active delay VS Operating temperature Figure 7 Receiver inactive delay VS Operating temperature Test Circuits Figure 8. Driver test circuit Figure 10 Switching characteristics test circuit Figure 9.Receiver test circuit Figure 11. Receiver input hysteresis MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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CAN / 485 /232 bus interface TD(H)541SCANFD - 7

Figure 12 Drive and receiver propagation drive Detailed Description TD(H)541SCANFD is a CAN of a style of separation transceiver with the ability of differential signal transmission between the bus and CAN protocol controller, it the inner integration insulate DC/DC power supply.which is compliant with ISO11898-2 standard. Short-circuit protection: TD(H)541SCANFD has current-limiting protection to prevent the drive circuit from short-circuiting to positive and negative supply voltages. The power dissipation increases when a short circuit occurs. The short-circuit protection function...

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CAN / 485 /232 bus interface TD(H)541SCANFD - 8

In general, Vcc and Vio can be shorted (Figure14), if the controller does no support 5V signal input, it can power for 3.3V for Vio. When the module works normally, connect the STB pin to GND2. UjjnBSjWjjjfc © Power isolation Visoout need through a series of capacitors connected to the output pin Visoin, the power supply is not recommended for other purposes, otherwise it may cause the bus voltage did not meet the requirements of communication, causes the communication failure. , © Hot-swap is not supported. © If the external input of TXD is insufficient, the pull-up resistor should be...

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