DS1814BR-5+T&R

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A Device Supervisor, or DS, is a type of integrated circuit (IC) used to ensure that electronic devices operate within a given power range. The DS1814BR-5+T&R is a type of device supervisor that is designed for high power microprocessors, memory and other device-level protection applications. It is widely used for voltage and thermal monitoring, current sourcing and current limiting, and provides enhanced features for power management and system stability. This article will discuss the application fields and working principles of the DS1814BR-5+T&R.

The DS1814BR-5+T&R is an ideal device for a wide range of applications, such as in personal computers, datacenters, embedded systems, telecom equipment, and automotive applications. It has dual outputs and enhanced digital filtering, which enable its use in high power applications. It provides a wide range of protection against overcurrent, overtemperature, undervoltage, and overvoltage, and can also be used as a temperature sensor. Moreover, the DS1814BR-5+T&R is well suited for applications where the supply voltage varies over time, such as a battery-powered system.

The working principle of the DS1814BR-5+T&R can be encapsulated in three steps. First, it senses the voltage, temperature and current of the device being monitored. Second, it quickly and accurately compares the sensed values to specified limits. Third, when the limits are exceeded, the DS1814BR-5+T&R takes an appropriate actions. The actions can be non-latching, latching or resetting.

The DS1814BR-5+T&R is a versatile device and can be configured to operate in one of three modes. First, the watchdogs mode combines over/under voltage and temperature protection with programmable current and voltage limits. Second, for applications requiring both over-voltage and over-temperature protection, the dual-out driver mode features two active output drivers. Third, for applications requiring only one output driver, the single-out driver mode is the most efficient and cost-effective choice. All three modes are configurable with an I²C interface.

The DS1814BR-5+T&R also provides additional features for enhanced system stability and protection. It features a programmable timer for each of its two outputs, allowing for additional protection to be implemented if a fault condition exists for longer than the specified time duration. Additionally, it supports an adjustable debounce time, allowing a user to set a time period before the supervisor takes any corrective action. This feature is useful in preventing false triggers caused by transient spikes.

In summary, the DS1814BR-5+T&R combines tempered high performance and protection, with a wide range of flexible features, making it an ideal choice for device-level protection in a variety of applications. Its versatile three mode design ensures that it is capable of performing the most challenging tasks in the most demanding environments. The comprehensive protection and additional features ensure that it provides a reliable solution for system stability and safety.

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