MV57164 Optoelectronics

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MV57164 is a multi-segment LED display driver circuit working in the field of LED indicators. It was developed by Fairchild semiconductor and built in an ultra-small package for space saving on the circuit board.

The device is suitable for driving many types of LED displays and fits perfectly in a range of applications ranging from custom display to small number of overall digits up to 16. This extensively used circuit is easy to implement and available with multiple segments and low power figures.

Working Principle

MV57164 is a well-defined circuit which enables efficient interfacing to the USB and display outputs. This is a multiple-segment output type circuit which takes eight parallel data inputs and works on the concept of current flow to multiple segments such as single point coordinates and digit combinations.

The datasheet of this device defines the process of setting current to match each segment. The segments are included in different groups and each of them can be set to achieve higher current with the help of two PWM (pulse width modulation) pins. The integrated current limit feature allows setting higher current that is higher than the available channel current.

In addition to this, the circuit has two enable signals – one for each group of LED segments. These signals allow for ON/OFF control for each group, so that the LED segments in a particular group can be switched on/off even when the device is in low power mode.

Application Field

MV57164 is ideal for use in a range of LED indicators, arrays, lightbars, bargraphs, and custom displays. It is suitable for LED indicators with individual LED segments and LED bargraphs with 8 levels of LED intensity. This circuit can be used in various demanding applications such as battery powered portable devices, automotive, industrial, communication and consumer electronics.

The advanced features of MV57164 and its ability to provide multiple segments control make it a perfect solution for compact displays. This versatile and cost-effective display circuit is integrated into a number of applications such as automobile instrument panels, lighting indication and power indication. It is also used in keyboards and other consumer electronic products.

The power consumption of MV57164 is also very low compared to other similar circuits available in the market. This low power consumption allows for extended battery runtime and an increase in overall system efficiency. Typically, the circuit consumes 2 mW when operating on 5V power supply but at 1.6V it consumes only 1.5 mW.

Conclusion

MV57164 is a low power and advanced LED display driver circuit designed to work in a range of applications such as Automotive, Industrial, communication and consumer electronics. With its multiple segments and current limit features, this circuit offers cost-efficient and reliable display solutions. Furthermore, its low power consumption makes it a perfect choice for power-sensitive applications.

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