TPS3838K33DRVRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-WDFN Exposed Pad
Supplier Device Package:	6-WSON (2x2)
Base Part Number:	TPS3838K33

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Supervisors, also known as system voltage monitor devices, are used in power designs to protect circuit components from damage caused by voltage drops, overvoltage and inrush current. The TPS3838K33DRVRG4 is a low power supervisory device developed by Texas Instruments to provide reliable supply voltage supervision and ensure that the circuit runs at its optimum potential. This device also features a unique power-on reset (POR) function to accurately start the system.

Application Field – Power Sequencing and Voltage Supervisor Circuits

The TPS3838K33DRVRG4 is an advanced supervisor device designed for precision voltage monitoring and control applications. It is primarily used in power control and sequencing circuits that require an accurate and reliable voltage source, such as automotive systems, telecom systems and power supplies. This device is capable of detecting various conditions that trigger a system reset or an interrupt request. It can also be used to monitor battery voltage and as a general purpose voltage supervisor, as it is designed for today\'s higher voltage levels.

Working Principle – Monitor and Generate Reset and Ready Signals

The TPS3838K33DRVRG4 comprises two primary components: a voltage supervisor and a reset generator. The voltage supervisor monitors the system voltage level and generates a reset signal when the input voltage falls below or exceeds the trip point threshold. This reset signal is then used to initiate a power-on reset operation in the system. The reset generator is capable of generating reset signals as well as ready signals, in response to an input voltage reaching specific levels. The device is equipped with five input pins that are configured to detect different voltages and other signals and can generate up to four reset outputs.

Architecture and Features

The TPS3838K33DRVRG4 is designed using a single supply voltage architecture and is configured using the on-chip sequencer logic. This device can be programmed with user-defined parameters that enable precise control over input voltage thresholds, reset duration and output level. The TPS3838K38DRVRG4 also features a programmable supply voltages ranging from 0.4 to 1.8V. It has an input voltage range from 1.2 to 3.6V and a maximum operating temperature range of -40 to 85°C, making it suitable for use in a variety of applications. In addition, the device consumes ultra-low operating current of only 80 microamp, making it ideal for portable applications.

Benefits of Using TPS3838K33DRVRG4

The TPS3838K33DRVRG4 offers several advantages to its customers. It provides precise overvoltage and undervoltage protection to ensure the circuit operates at its optimum potential. Moreover, its ultra-low operating current results in increased system efficiency and improved battery life. Furthermore, it features a unique power-on reset (POR) function that accurately starts the circuit and prevents it from stalling. The device is also supported by various development tools, such as the TPS3838K33DRVRG4 ToolBox and Application Note, enabling engineers to quickly implement its features into their power designs.In conclusion, the TPS3838K33DRVRG4 is a valuable device for protecting circuit components from damage caused by voltage drops and overvoltage. It is designed with an advanced architecture to generate reset and ready signals and programmable supply voltages for precise control over input voltage thresholds. It offers several benefits, such as ultra-low current consumption, precise protection and support for development tools, which make it ideal for use in power control and sequencing circuits.

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