SN75179BPSR

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The SN75179BPSR is a line drivers and receivers that sense voltage levels on a bus lines and can drive up to 30mA on the same lines. It is used in industrial and automotive applications to convert traditional logic signals into higher voltage and current levels, both unidirectional and bidirectional. Different versions are available to help designs achieve the greatest number of output states while minimizing the component count.

The SN75179BPSR belongs to the family of line driver and receiver ICs produced by Texas Instruments. The device can be easily configured for many voltage levels, driving current ranges and high speed rise and fall times. It features a logic input pin for selecting between two open-collector outputs, as well as a low-impedance disable pin for reducing power consumption. It also features a very low receiver input range of 0.8V.

Features

• Improved electrical characteristics over other available line driver and receiver ICs.
• High speed rise and fall times.
• Selectable between two open-collector outputs.
• Low-impedance disable pin, reduces power consumption by up to 65%.
• Very low receiver input range of 0.8 V.
• Minimum branch current sharing.
• Surge tolerant design.
• Wide operating temperature range, from -40 °C to +125 °C.
• Low power consumption.

Applications

• Industrial automation.
• Motor control.
• Robotics.
• Bus systems.
• RFID.
• Automotive applications.
• Medical instrumentation.
• Power supplies.

Working Principle

The SN75179BPSR is a logic controlled output line driver and receiver for controlling signals and voltages in industrial and automotive applications. It features two open-collector outputs, one for logic low and the other for logic high. A logic input pin allows the user to select the output state it needs, either selecting the output to be high or low. It also features a low-impedance disable pin to reduce power consumption when the device is not needed.

The logic pin will control the behaviour of the output with voltage levels. A low voltage at the logic pin, from 0V to0.8V, will cause the output to be in a low state, while a voltage higher than 0.8V will cause the output to be in a high state. When the disable pin is low, it will turn off the output, regardless of the logic input.

The SN75179BPSR is also very efficient at driving higher voltage and current levels, which makes it well suited for driving motors, pumps and other devices with low output impedance. It can also be used to drive digital signals without any extra amplification.

The device is surge tolerant, allowing it to be used in industrial and automotive applications without damage. It has a wide operating temperature range, from -40 °C to +125 °C, ensuring that it will be able to function reliably in the most extreme operating environments.

In conclusion, the SN75179BPSR is an excellent line driver and receiver IC for a wide variety of industrial and automotive applications. Its selectable output, low power consumption and wide operating temperature range make it the perfect choice for many designs.

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