FT232 isolation serial port module USB to TTL USB to transform the serial port magnetic isolation FT232RL photoelectric isolation

Driver download link: https://pan.baidu.com/s/1x9zwpr35d-rpvfrg7Caw

Magnetic isolation USB to TTL serial port

FT232RL with magnetic isolation USB to TTL serial interface (that is, UART/COM port) module, the main control uses FTDI USB chip FT232RL, adopts ADI digital isolation device Adum3201, Jin Shengyang power isolation module, with a 1000V DC isolation voltage and reliable 1Mbps as high as 1Mbps.Communication rate.The USB side and TTL output side are completely isolated, fully ensuring the security of the computer, and effectively reduced interference.

Characteristic

FT232RL main control, the industry's excellent reputation of USB chips, the choice of industrial application stable.
Adi magnetic isolation chip Adum3201, fast speed, good waveform, significantly lower power consumption than photoelectric isolation.
The large -length spacing isolates the power supply without external power supply, as long as the USB interface is inserted.
Increase the isolation gap, PCB slotting, better avoid climbing and improve safety performance.
Integrate protection of the diodes and improve protection capabilities.
The USB-A male interface, without a connection line, can be used directly into the USB port.
The communication level can be easily switched to 5V or 3.3V by jump cap.
The VCC output voltage can output 5V/3.3V, and the communication level and VCC voltage can be the same or different.
The TX is independent of the independent TX-D (open output) through the reverse diode, which is convenient to connect the burning STC single-chip microcomputer.
The board power supply, sending, and receiving three LED indicators.

Typical application

Isolation USB to TTL serial communication and debugging in high voltage dangerous situation
Upgrade routers, set -top box and other peripheral firmware
Burning (download) single -chip machine program
High -speed USB UART communication (limit to 2Mbps)
Encent in products, improve communication reliability

Delivery list:

FT232 with isolation serial port module, 1

Jump cap, 2

DuPont, 4

Common problem

Which environments need to be isolate the USB interface?

The USB interface is already an electronic engineer, one of the daily work and common interfaces of employees.With the increasing competition between the computer industry and the lower price of the product, forcing most merchants to simplify the protection part of the computer motherboard interface, which can be simplified, and it can save it.The USB interface is not only often contacted with the human body, external contact, but also many times it also power for external equipment.External strong electricity and strong interference cause a lot of pressure on the USB port.This has led to the USB interface of many computers strikes in advance and even the motherboard is damaged.

1. Electric equipment containing strong electricity

Equipment contains a strong electricity (such as high -voltage, inverter, motor drive, etc.) connecting the USB interface may burn out the USB interface.

It must be isolated to ensure the USB port, motherboard and personal safety of the computer, which can effectively avoid USB port damage and personal damage.

2. Strong interference electrical equipment

Such as motor drivers, inverters, etc. produce great interference, and the in -USB port may cause computer crash, blue screen, no response, etc.The USB interface can be separated through this device to avoid interference from the computer.

3. Noise sensitive equipment

The computer itself is also a noise source. Through isolation of the USB port, the computer's high -frequency interference can be avoided to the sensitive device to better obtain data, such as audio equipment, precision measurement equipment and medical equipment.

4. Ordinary electronic equipment

For ordinary electronic devices, through problems that can effectively avoid operational errors, short -circuit damaged computer USB ports, blue screens and other problems, which greatly improves the safety of operation.