S-1004NA33I-I6T1U

Series:	S-1004
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	3.3V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Flat Leads
Supplier Device Package:	SNT-6A

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Introduction to S-1004NA33I-I6T1U PMIC - Supervisors

Power management integrated circuits, commonly known as PMICs, are responsible for managing and controlling the power provided to an electronics device. PMICs are not static items that are used for only one task. On the contrary, the range and variety of possible functions and capabilities of a PMIC are vast. One type of PMIC is known as a supervisor, and the device in question, S-1004NA33I-I6T1U, is classified as such. This article will provide an overview of the application field and working principle of S-1004NA33I-I6T1U PMIC supervisors. It will discuss the power supervisory features and functions that are incorporated into this device, as well as explain its capabilities and limitations, so that readers can better understand how it can be used in any given application.

Overview of S-1004NA33I-I6T1U PMIC Supervisors

The S-1004NA33I-I6T1U PMIC supervisor is a programmable, integrated power supervisor which provides power monitoring, reset and brown-out detection functions. The device is publicly available and is suitable for use in industrial, instrumentation, automotive and consumer electronic applications. It operates from a nominal input voltage of 3.3V to 24V and provides an output voltage of 3.3V.The device includes Programmable Over-Voltage (OV), Programmable Under-Voltage (UV), Programmable Watchdog Timers, Programmable Voltage Output, Programmable Internal Reset (IR) and Programmable Brown-out Detect (BOD), all of which are controlled and monitored using an SPI or I2C interface.In addition to its power supervisor functions, the S-1004NA33I-I6T1U also features programmable logic and synchronization functions. These include: Programmable Logic Output (PL0), External Voltage Detect (EVD), External Enable (EN) and Gate Pull-Enable (GPE).

Working Principle of S-1004NA33I-I6T1U PMIC Supervisors

At its core, the S-1004NA33I-I6T1U PMIC supervisor is a programmable device that can monitor and control the power in 1V increments from an input voltage of 3.3V to 24V with an output voltage of 3.3V. It does so by utilizing several supervisory features and functions, each of which is discussed in turn in the sections below. Programmable Over-Voltage (OV) and Under-Voltage (UV) Detection:The OV and the UV functions of the S-1004NA33I-I6T1U allow for precise voltage control and detection. The OV feature enables the device to detect if the input voltage is greater than the programmed target voltage and take corrective action. The UV feature, on the other hand, allows the device to detect if the input voltage falls below the programmed target voltage, which is useful for applications that must prevent low-voltage conditions. Programmable Watchdog Timers:Watchdog timers are important features of PMIC supervisors as they allow the devices to monitor and control power cycles. With the S-1004NA33I-I6T1U, the watchdog timer can be set to continuously monitor the system and trigger an event if a predetermined time has elapsed without any activity. The timer can also reset the system in case of a malfunction and can notify users when system maintenance is needed. Programmable Voltage Output:The voltage output of the S-1004NA33I-I6T1U can be programmed and adjusted by setting the device\'s offsets from the input voltage. This allows for the precise control of the output voltage and makes the device suitable for use in power-critical applications that require accurate regulation.Programmable Internal Reset (IR) and Programmable Brown-out Detect (BOD): The IR and BOD functions of the S-1004NA33I-I6T1U allow it to detect low-voltage conditions and initiate corrective actions. The IR function can be used to detect whether input power has been removed or violated while the BOD function is used to detect when the voltage at its monitoring pin crosses the programmable threshold. Both of these functions help to protect systems from unexpected power failure or voltage violations. Programmable Logic and Synchronization Functions:The S-1004NA33I-I6T1U also includes programmable logic and synchronization functions. The PLO function allows for the device to generate up to four logic signals which can be used to control external components or trigger events such as resetting a processor or triggering an alarm. The EVD function allows the device to detect an externally applied voltage and take suitable action while the EN and GPE functions allow the device to enable or disable a gate respectively.

Conclusion

In conclusion, the S-1004NA33I-I6T1U PMIC supervisor is a programmable device designed for a wide range of applications, including industrial, instrumentation, automotive and consumer electronics. With a range of features and functions, the device is capable of managing and controlling the power provided to an electronics device, offering functions such as OV and UV protection, watchdog timers, voltage output control, IR and BOD functions, as well as programmable logic and synchronization functions. As such, it is well suited for use in power-critical scenarios where precise voltage control and reliable power monitoring are essential.

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