TPS3839G33DBZR

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TPS3839G33DBZR

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IC SUPERVISOR 1 CHANNEL SOT23-3

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사양

속성 가치
Part Status Active
Base Product Number TPS3839
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Voltage - Threshold 3.08V
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 120ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Packaging Cut Tape (CT), Tape & Reel (TR)
Number of Voltages Monitored 1

개요

Description

The TPS3839G33DBZR is a voltage supervisor or reset IC designed by Texas Instruments. It is part of the TPS3839 series, which provides precise monitoring of supply voltages in various electronic applications. The device ensures that a system remains in a reset state until the supply voltage reaches the appropriate level, preventing the microprocessor from operating under insufficient power conditions.
Key features of the TPS3839G33DBZR include a fixed threshold voltage of 3.3V, a low supply current, and a push-pull, active-low reset output. It is designed for ultra-low power consumption, making it suitable for battery-powered and energy-efficient applications. The device is packaged in a small SOT-23-3 form factor, which facilitates easy integration into compact designs.
Applications for the TPS3839G33DBZR include embedded systems, portable devices, and various consumer electronics where precise voltage monitoring is critical for ensuring reliable operation. Its robust performance and small footprint make it a popular choice for designers seeking efficient voltage supervision solutions.

Equivalent

The TPS3839G33DBZR is a microprocessor supervisory circuit from Texas Instruments. Equivalent products from other manufacturers include the ADM6315 series from Analog Devices, the MAX803 series from Maxim Integrated, and the MCP130/131 series from Microchip Technology. These components typically offer similar functionality in terms of voltage monitoring and reset generation for microprocessors. Always verify the specific features and pin configurations to ensure compatibility with your application.

Features

The TPS3839G33DBZR is a voltage supervisor IC designed for monitoring supply voltages in electronic systems. Key features include:
1. Supply Voltage Monitoring: It supervises a 3.3V power rail, ensuring system stability.
2. Precision Threshold: Offers a precise threshold voltage with a typical accuracy of ±2%.
3. Manual Reset Input: Allows system resets through an external signal.
4. Push-Pull Output: Features a reset output with a push-pull configuration.
5. Low Supply Current: Consumes minimal power, typically around 220 nA.
6. Fast Propagation Delay: Provides a quick response, with a delay of about 20 µs.
7. Temperature Range: Operates effectively from -40°C to +85°C.
8. Small Package: Available in a compact SOT-23 package, which is space-efficient for designs with size constraints.
This IC is ideal for applications requiring reliable power supply monitoring, such as in consumer electronics, industrial controls, and portable devices.

Pinout

The TPS3839G33DBZR is a voltage supervisor IC manufactured by Texas Instruments. It typically comes in a SOT-23 package with a 3-pin configuration. The main function of this IC is to monitor the supply voltage and assert a reset signal when the voltage drops below a predefined threshold, ensuring that the system operates within safe voltage levels. The TPS3839G33DBZR is specifically designed to monitor a 3.3V supply voltage and will generate a reset signal when the voltage falls below approximately 3.3V. The key functions of the pins are generally as follows: one pin is connected to the ground, another to the supply voltage, and the third pin outputs the reset signal. These features make it essential for applications requiring reliable power-on reset and brownout protection.

Manufacturer

The TPS3839G33DBZR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a variety of electronic components, including integrated circuits and analog technologies. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest semiconductor companies in the world. The company is known for its innovation in the electronics industry, providing products and solutions that are used in a wide range of applications, from consumer electronics to industrial equipment. TI focuses on creating technologies that improve the performance and efficiency of electronic devices, and its products are used in sectors such as automotive, communications, computing, consumer electronics, and industrial applications.

Application

The TPS3839G33DBZR is a voltage supervisor integrated circuit commonly used to monitor and ensure the stability of power supplies in electronic systems. Its primary application areas include microprocessor and microcontroller systems, where it provides reset signals during power-up, power-down, and brownout conditions. It is suitable for use in battery-powered devices, embedded systems, automotive electronics, and industrial control systems, ensuring reliable operation by preventing unexpected resets or malfunctions due to voltage irregularities. Its compact size and low power consumption make it ideal for portable and space-constrained applications.

Package

The TPS3839G33DBZR is a voltage supervisor IC from Texas Instruments, typically offered in a SOT-23-3 package type. This compact package is suitable for space-constrained applications, providing precise voltage monitoring and reset functions.

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