DS1832U+

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PMIC Supervisors are the pivotal elements found in a wide variety of consumer electronic designs. In particular, the DS1832U+ is an STMicroelectronics converter designed for battery-powered systems, providing a combination of voltage regulation, system-level control, and monitoring functions intended to help to streamline designs with low standby power. It is also suitable in other applications, from automotive systems to portable medical equipment. This article will discuss the application fields of the DS1832U+ and how it works.

Application Fields

The STMicroelectronics converter is designed for low power systems and contains power supervisory, power-on reset, power-on detect, and voltage measurement functions. The adjustable reset timer and watchdog timer can be used to monitor the health of the system and provide security features. The converter features a programmable supply range, allowing systems designers to more easily create complex power architectures with multiple power rails, by allowing the use of a single IC to cover different applications.

The DS1832U+ can be used in many applications, such as portable medical devices, automotive systems, printer, displays, HVAC systems and many others. The converter’s low-current performance allows it to supplement each of these system’s existing power management architectures.

Working Principle

The DS1832U+ works by converting the battery voltage (or other power rail) into a regulated output voltage. It is designed for safety, providing power-on reset, power-on detect, and voltage measurement functions. In addition, the programmable reset timer and watchdog timer can be used to monitor the health of the system. It also contains a ‘brown-out’ indication output, allowing designers to reset the system if the input voltage drops below a certain level.

The converter features low quiescent current consumption, providing system designers with an automatically adjusting power supply and maintaining power consumption at a minimum. In addition, the converter protects the system against over-current and over-voltage faults, protecting the system in the event of an input surge.

The converter is suitable for use with many different types of batteries including Li-Ion or Nickel-Cadmium, and its voltage scaling and fault detection functions provide additional protection for batteries and other power rails. It has a wide operating temperature range from -40 to +125°C and is packaged in a 10-pin TSOT23 package.

Conclusion

The DS1832U+ is a sought-after device suitable for many applications, due to its combination of power supervisory, power-on reset, power-on detect, and voltage measurement functions. It also boasts of low quiescent current consumption, providing system designers with an automatically adjusting power supply and maintaining power consumption at a minimum. In addition, the converter features a wide operating temperature range, making it suitable for use in virtually any environment.

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