IR21592STR

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The IR21592STR is a device that controls the ballast lighting in a circuit. It is also known as a ballast 8-bit Controller. It is categorized as a PMIC (Power Management IC) - Lighting, Ballast Controllers. This device offers features that make it a useful component in applications that require ballast lighting control.

The ballast control function of the IR21592STR simplifies the process of driving lamps with linear lights or switching power supplies. It makes use of the same temperature-controlled switched MOSFET (Metal-oxide semiconductor field effect transistor) sensing and switching method as the IR21692STR device. It is capable of switching lamps as well as regulating lighting dimming, providing additional savings in energy costs.

The IR21592STR has an 8-bit microcontroller that enables easy programming and operation of the device. It has a variety of on-board peripherals, including an analog-to-digital converter, pulse-width-modulation (PWM) controller, and serial-I/O port. It also has an inbuilt thermal protection circuit to protect the device from overheating. It has an operating voltage range of 3-20V, and a supply current of 40mA.

The IR21592STR is capable of driving two or four switches to control ballast lighting, depending on the configuration. It features an adjustable over-temperature protection (OTP) circuit, allowing it to respond to over-temperature conditions. Additionally, it offers a minimum dim switch function that can be used to adjust the minimum brightness of a lighting system.

In terms of working principle, the IR21592STR utilizes a combination of open-loop feedback and temperature-controlled switching to regulate the lighting on a circuit. The device has two operating modes, normal and dimming, which are controlled with three signal inputs, an analog signal from the dim control, a 6-bit word from the set control and a Reset input. When the dim control input is activated the device enters the dimming mode and the switching is performed at a rate of up to 60Hz for smooth, reliable illumination. When the set control input is activated the device follows the commands provided by the 6-bit word and operates in normal mode.

The IR21592STR is generally used in applications that require ballast lighting control, such as industrial and commercial lighting systems, automotive lighting and display illumination. It is also suitable for a wide range of residential lighting applications, such as accent lighting, landscape lighting, garage lighting and porch lighting. Additionally, it can be used in signage and theatrical lighting systems, allowing control of the entire lighting system. The device is also suitable for use in system automation and metering applications.

The IR21592STR ballast 8-bit controller enables efficient control of ballast lighting in different applications. It is a versatile and reliable device that allows for easy programming and operation, and offers a variety of features that make it convenient to use.

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