DS1816R-5/T&R

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Power management integrated circuits (PMICs) are available in many different forms, catering for individual needs and applications. However, some of these PMICs have been predesigned and optimized to become supervisors or an extended family of products, such as the PMIC supervisors – the DS1816R-5/T&R.

The DS1816R-5/T&R is a five-terminal regulator that supports supply, ground and feedback input as well as enable and output voltages, providing power supply design reliability for a host of different user applications, including LED lighting applications.

One of the main features of the DS1816R-5/T&R is the wide input voltage range of 1.6 to 32V, which is ideal for automotive and aerospace applications. It also has an adjustable output current that can be adjusted down to 0.1A, making it suitable for a wide range of voltages and load dynamics.

The DS1816R-5/T&R offers great flexibility thanks to its on-chip voltage sensing circuit which can be used to create an output voltage (OV) with a setpoint accuracy of 5%. In addition, the DS1816R-5/T&R incorporates a high-current charger designed for use in low-power applications, such as the USB charger in smartphones, battery chargers and consumer electronics.

When it comes to working principles, the DS1816R-5/T&R utilizes a unique two-stage complement circuit. The first stage provides an output voltage in the range of 1.6-14V that is adjustable with a sensitive turn of a voltage adjust pin that boosts the output current. The second stage is an externally adjustable level shifter and amplifier that extends the output range to 32V. The amount of voltage gain is adjustable by charging up an external capacitor, and the voltage level can be adjusted with the voltage adjust pin.

The DS1816R-5/T&R also features a built-in thermal regulation circuit, which monitors and controls the junction temperature and automatically adjusts the output voltage in order to keep the temperature within a safe range. The thermal regulation circuit improves the reliability and performance of the device in high temperature applications.

In terms of applications, the DS1816R-5/T&R is ideal for a variety of applications that require extremely accurate output voltage and current control. These include LED lighting, electronic load simulators, and test/measurement equipment. Also, it can be used in other applications where an accurate regulated voltage is required, such as TV sets, PCs, notebooks, PDA and cell phones.

To sum up, the DS1816R-5/T&R is a PMIC supervisor that provides reliability in power supply designs, especially in automotive and aerospace applications. With a wide input voltage range of 1.6 to 32V, adjustable output current and onboard thermal regulation, it is suitable for a variety of applications that require precise voltage and current control.

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