S-1009C30I-I4T1U

Series:	S-1009
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Flat Leads
Supplier Device Package:	SNT-4A

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Power management integrated circuits (PMICs) are a key element of system designs.The circuitry found within these components enables the ability to manage power on system boards and optimize systems performance. PMICs offer critical functions such as power sequencing, system housekeeping, voltage regulation and accurate control of power delivered to subsystems and peripherals. Supervisors are a critical subcategory of PMICs. These are responsible for controlling and monitoring a given system, including monitoring input and output voltages, providing reset signals, conducting power sequence control and providing watchdog timer signals. The S-1009C30I-I4T1U is a power management supervisor with advanced features.

Features

The S-1009C30I-I4T1U offers a wide range of features, including:

• Output Voltages: 0.8V - 5.5V
• Accurate voltage regulation accuracy over load, temperature, and line changes
• Input Detection: can detect input voltage from 1.2V to 5.5V
• Low quiescent current: typically 95µA (input voltage from 1V to 3.3V)
• Reset Output: active high signal
• 25MHz external clock input
• Power good: Internal delay of 2ms (typ)
• Watchdog timer: can be set with external resistor or capacitor

The S-1009C30I-I4T1U can provide a high efficiency and stable system with a very small footprint. It is ideal for space constrained applications or systems that operate on a limited power source.

Applications

The S-1009C30I-I4T1U is suitable for use in a variety of demanding system applications, including:

• Industrial Automation and Control Applications
• Consumer Electronics and Home Appliance Applications
• Medical Equipment Systems
• Automotive Applications
• Telecommunications Equipment
• Linux and Andriod based systems

Working Principle

The S-1009C30I-I4T1U can provide a very reliable, low power system with extremely accurate voltage control and low jitter. The main components of the power management system are the power source, power converters and the controller. The power source supplies voltage to the system, which is then converted to the required voltage levels by the power converters. The S-1009C30I-I4T1U is the controller of the system. It monitors the input voltage, keeps accurate control of the output voltage and also provides reset, power sequencing and watchdog timer signals as needed.When the voltage drops below a certain threshold, the controller signals to the power source that it needs to increase the voltage. It then adjusts the output voltage of the power source accordingly. The output voltage of the power source is then converted to the required levels by the power converters. The S-1009C30I-I4T1U controller monitors this process, ensuring that the accurate voltage levels are reached and maintained.The watchdog timer function of the controller provides a safety measure against system freezes. The watchdog timer monitors the system and when it detects a problem, it will reset the system and restart it. This feature can help reduce costly downtime in mission-critical applications.

Conclusion

The S-1009C30I-I4T1U is an advanced power management supervisor that offers various features and benefits to the system.It is suitable for use in a variety of demanding applications and can provide an efficient and stable system with a very small footprint.It is also able to monitor system voltages accurately, provide reset signals and watchdog timer signals to prevent system freezes. This makes it an ideal component for industrial, automotive and consumer electronics applications.

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