ISL88042IRTJJZ-TK

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	4
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	40 ms Minimum
Voltage - Threshold:	2.78V, 2.86V, Adj, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-TDFN (2x3)
Base Part Number:	ISL88042

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Introduction to ISL88042IRTJJZ

ISL88042IRTJJZ is a highly integrated PMIC - supervisor with advanced features. It is designed to provide system reset and power management for various electronic systems. The device features low power consumption and low quiescent current which makes it ideal for battery-powered and low power consumption applications such as automotive, industrial, and consumer products. Its wide input voltage range (6 V to 18 V) makes it suitable for applications that require power from various sources, including automotive and AC power grids.

Features of ISL88042IRTJJZ

The main features of the ISL88042IRTJJZ include a reset output that is configurable for active low or active high polarities, selectable reset asserts (fixed or manually adjusted), a selectable reset filtering time, a selectable power down delay timeout period and an adjustable voltage-monitoring input. Additionally, the device also has a watchdog timer, over-temperature detection, over-voltage reset, and two programmable digital input pins.

Applications of ISL88042IRTJJZ

The ISL88042IRTJJZ is suitable for various applications such as automotive, industrial, and consumer electronics. It is designed for use in applications requiring monitoring of battery voltage, voltage across source selector status pins, power supply stability, system temperature, and output voltage stability.In automotive applications, it is used to ensure power supply stability in engine control systems, fuel management systems and other applications requiring power management. It is also suitable for battery management in standby power and portable applications such as cell phones, PDAs and battery operated tools.In industrial applications, the ISL88042IRTJJZ is suitable for monitoring and controlling of alarms, status indicators and other hardware or software systems requiring power management. It can also be used for monitoring critical operations and for providing reset signals for such operations.

Working Principle of ISL88042IRTJJZ

The ISL88042IRTJJZ operates using a comparator based input with an adjustable voltage threshold. When the voltage from the input pin (VIN) exceeds the programmed threshold, the reset output (RESET) is asserted. When the voltage drops back below the threshold, the reset output is de-asserted.The device also has an ON/OFF control pin that can be used to enable or disable the reset output. The selection between a fixed timeout or manual reset asserts can be made by setting the appropriate bit in the configuration register. Additionally, a delay time can be set to delay the assertion of the reset output to prevent a sudden drop in power.

Conclusion

The ISL88042IRTJJZ is a highly integrated PMIC - supervisor with advanced features. It is designed to provide system reset and power management for various electronic systems. The device features low power consumption and low quiescent current and is suitable for automotive, industrial and consumer electronics applications. It is easy to configure and has the capacity to monitor and control the power supply, temperature and voltage stability of the system.

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