ISL88011IH531Z-TK

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ISL88011IH531Z-TK is a programmable low-side supervisor device from Intersil. It is specifically designed to provide a reset signal for monitoring system power-up and power-down events. The device integrates an internal voltage supervisor, system health monitor, and a fail-safe watchdog. It is designed to provide a safety solution for sensitive industrial and automotive systems due to its robust fault protection features.

On the application field, ISL88011IH531Z-TK is designed to protect sensitive industrial and automotive systems. It is ideal for portable and battery-powered equipment, such as two-way radios, medical devices, barcode scanners, and portable communication devices. It is also suitable for automotive applications, such as head units and telematics applications.

The ISL88011IH531Z-TK includes two types of reset control logic: manual and external. The manual reset logic allows the device to perform a reset when a high-level logic signal is applied to the MR pin. The external reset logic allows the device to perform a reset when the power switch off or the supply voltage falls below the reset threshold. The reset will only be released when the supply voltage rises above the reset threshold.

The working principle of ISL88011IH531Z-TK is based on its voltage supervisory control. The device monitors the VDD voltage of the system. When the system power-on or power-down events occur, the device will perform a reset. The device has an internal reset timeout logic, which will auto-release the reset after a specified time delay. The reset timeout can be programmed using an external capacitor connected to the C1 pin. The device also includes a system health monitor, which can be used to monitor the health of the system and trigger a reset. Additionally, the device includes a fail-safe watchdog, which can be used to ensure that the system is running properly and reset the system when a fault occurs.

In summary, ISL88011IH531Z-TK is a programmable low-side supervisor device designed to provide a reset signal for monitoring system power-up and power-down events. It is designed for protecting sensitive industrial and automotive systems. Its working principle is based on the voltage supervisory control, system health monitor and a failsafe watchdog. Therefore, ISL88011IH531Z-TK is classified as PMIC - Supervisors.

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