ISL88003IH29Z-T

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PMIC - Supervisors - ISL88003IH29Z-T Application Field and Working Principle

PMIC (Power Management IC) supervisors are a key product in the power management IC market. They are used in various applications, ranging from consumer electronics to telecom, aerospace, automotive and industrial electronics. The ISL88003IH29Z-T is a PMIC supervision IC from Integrated Device Technology regarded as one of the best PMIC supervisor products in the market.

Applications Of ISL88003IH29Z-T

ISL88003IH29Z-T is a high-speed, ultra-low power, microcontroller compatible voltage supervisor for battery-powered systems. It offers protection for simple cell-phones, MP3 players, Bluetooth headsets, DSC camera and other similar embedded products. It can also protect critical system functions such as reset/restart, start/stop, battery reversals and data integrity in embedded systems.

The device has two independent comparators, one detect Over Voltage level while the other detect Under Voltage level. The device has an internal regulator, which provides power to the rest of the circuitry when battery powered applications begins. These features make ISL88003IH29Z-T ideal for high temperature and low power applications.

The device uses external sensing and supports low voltage detection with both hysteresis levels, guaranteeing a reliable and accurate over-impedance and under voltage detection. It also has an integrated boost switch which allow the individual switching of +5V supply. The device also has power fail, CLK fail and battery fail detection. These features make ISL88003IH29Z-T ideal for applications like PLCs, remote terminal units, temperature controllers, and solar trackers.

Features of ISL88003IH29Z-T

ISL88003IH29Z-T has an operating voltage range from 0V to 16V, making it ideal for all types of battery powered devices. The device also have a programmable pre-charge time interval and is compatible with 3V and 5V microcontrollers and digital boards. It can also detect brown-in, brown-out, reset, power supply failures and low signal integrity. The device also features an internal regulator for powering the rest of the circuitry.

The device features high speed start-up times and low power operation enabling maximum power savings in low power battery operated applications. It also has a wide operating temperature range from -40C to 125C. These features make the device ideal for high temperature and power sensitive applications.

Working principle of ISL88003IH29Z-T

ISL88003IH29Z-T is a voltage supervisor circuit that monitors the input voltage and sets a reset event when the voltage falls below a certain level. Once the reset is activated, the device triggers a reset event, which then signals a process to initiate the necessary actions to reset the system.

The device works by setting hysteresis levels, which adjust the threshold voltages, thereby preventing false reset events. When power is provided to the device from the power source, an internal regulator is activated which allows the rest of the circuitry to be powered. The device monitors the voltage at the input and activates a reset process when the voltage drops below the set threshold levels.

The device has two independent comparators, which detect over voltage and under voltage levels respectively. The device also takes advantage of external sensing which supports low voltage detection with both hysteresis levels. All these features enable the device to detect any voltage fluctuations or in-rush current quickly and reliably. It also features an integrated boost switch which allows the individual switching of +5V supply.

Conclusion

The ISL88003IH29Z-T is an ideal PMIC supervisor for any application ranging from consumer electronics to telecom, aerospace, automotive and industrial electronics. The low power and wide operating temperature range make it perfect for high temperature and low power applications. The device has two independent comparators, which detect over voltage and under voltage levels respectively, and also has an integrated boost switch which enables the individual switching of +5V supply. It supports low voltage detection with both hysteresis levels, guaranteeing a reliable and accurate over-impedance and under voltage detection.

Overall, the ISL88003IH29Z-T is one of the most reliable and efficient PMIC supervisor products available in the market. It is perfect for devices like cellphones, MP3 players, Bluetooth headsets, DSC cameras, PLCs, remote terminal units, temperature controllers, and solar trackers. It is a low power and wide operating temperature range make it suitable for high temperature and low power applications, such as battery-powered devices.

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