DS1817-10

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The DS1817-10 PMIC - Supervisors is a versatile and highly integrated digital power management IC (PMIC) for industrial and IoT applications. With its advanced digital precept, this device offers a number of clever protections against faults and irregularities in current and voltage supplies, as well as a variety of other system conditions. It stands out for its compact size and feature-richness, allowing system designers to save time and valuable board space when building reliable and long-lasting products.

The DS1817-10 Supervisors is made up of two main components, a voltage supervisor and a current monitor. The voltage supervisor monitors two separate voltages and sends an output signal if one of them drops below a predetermined level, thus providing a valuable protection against incorrect power supply. The current monitor provides a linear regulation of the voltage output and a short-circuit protection. In addition, the device also includes a temperature sensor that allows it to adjust the operating temperature thresholds and provides a temperature-compensated protection.

In terms of features, the DS1817-10 Supervisors provides a wide range of features, from the basics such as setting thresholds, monitoring outputs and providing a watchdog timer, to more advanced ones such as the ability to switch power sources based on voltage or temperature. It is also able to detect various other types of faults, including over-voltage, over-current, and overtemperature conditions. It can also report faults to a host via voltage and current output pins, and trigger external actions such as resetting a system with a dedicated output pin.

The DS1817-10 Supervisors offers one-time programmable (OTP) memory, which is essentially a digital signature unique to each device. The OTP memory is used to store essential data such as serial numbers, product information and revision levels, which can be used to uniquely identify each device and establish a secure framework for authentication and authorization. This particular feature is one of the reasons why the DS1817-10 is so popular among industrial and IoT applications.

In terms of its application field, the DS1817-10 Supervisors is a versatile device that can be used in a wide variety of applications. It is a key component of fanless industrial computers, embedded and portable medical instruments, automotive systems, environmental control systems, and various home automation and IoT applications.

Additionally, the DS1817-10 Supervisors is also popular in power-over-Ethernet (PoE) applications. PoE is a technology that allows devices to receive both data and power over a single cable. The DS1817-10 can detect the presence of power and control the delivery of power to each device through two independent channels. It is also able to adjust the delivery of power to each device depending on the power available and the device’s power requirements.

In terms of its working principle, the DS1817-10 Supervisors is responsible for monitoring, regulating, and controlling the voltage and current supplied to a range of different devices. It is designed to keep the voltage and current supplied to the device within predetermined limits, and to take appropriate action in the case of faults or irregularities. For example, if the voltage or current exceed their limits, the device will quickly shut down the power, thus providing protection against malfunctions and damage. Furthermore, the device can also trigger external actions, such as resetting the system or sending notifications, in case of faults or irregularities.

To conclude, the DS1817-10 Supervisors is a highly integrated PMIC with an advanced digital precept, offering a wide range of features and protection against a variety of faults and irregularities. It is used in a variety of applications, from fanless industrial computers to PoE applications, and is a key component in many home automation and IoT devices. Its working principle is to monitor, regulate, and control the voltage and current supplied to a device, thereby ensuring the safety and reliability of the overall system.

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