TPS3801K33DCKR

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TPS3801K33DCKR

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IC SUPERVISOR 1 CHANNEL SC70-5

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.93V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 120ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 5-TSSOP, SC-70-5, SOT-353

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Description

The TPS3801K33DCKR is a voltage supervisor device from Texas Instruments, designed to monitor system voltages in electronic circuits. It is part of the TPS3801 family and is specifically tailored for applications requiring low supply current and high precision. The device is commonly used in battery-powered systems due to its low power consumption.
Key features of the TPS3801K33DCKR include a supply voltage range from 2 V to 6 V, a reset threshold voltage of 3.3 V, and an active-low open-drain reset output. The reset delay time is set by an external capacitor, allowing flexibility in application-specific settings. The device is packaged in a small SOT-23-5 package, making it suitable for space-constrained designs.
Applications for this voltage supervisor include microcontroller and DSP systems, portable devices, and other applications requiring reliable voltage monitoring and reset functions. Its precision and reliability help ensure that systems can recover gracefully from voltage anomalies, protecting sensitive components and maintaining system stability.

Equivalent

The TPS3801K33DCKR is a voltage supervisor IC, and equivalent products would typically offer similar voltage threshold, reset delay, and package type. Some potential equivalents include:
1. Maxim Integrated's MAX803 series.
2. ON Semiconductor's NCP300 series.
3. Microchip's MCP100 series.
4. Analog Devices' ADM809 series.
When selecting an equivalent, ensure that the electrical characteristics and package are suitable for your application.

Features

The TPS3801K33DCKR is a voltage supervisor IC designed for monitoring 3.3V power supplies. Key features include:
1. Supply Voltage Range: The device operates with a supply voltage range from 1.8V to 6V, making it versatile for various systems.
2. Threshold Voltage: It monitors the 3.3V supply and provides a precise reset signal when the voltage falls below a pre-set threshold.
3. Reset Functionality: The IC asserts a reset signal if the monitored voltage drops below the threshold, ensuring the connected system remains stable by preventing operation under insufficient voltage conditions.
4. Reset Delay Time: Comes with a fixed reset delay time to allow the system to stabilize before the reset signal is released.
5. Low Supply Current: The device is designed for low power consumption, enhancing its suitability for battery-powered applications.
6. Push-Pull Output: Features a push-pull output for the reset signal, providing strong drive capability.
7. Small Package: Available in a small SOT-23 package, facilitating compact PCB designs.
These features make the TPS3801K33DCKR suitable for applications requiring reliable voltage monitoring with low power consumption.

Pinout

The TPS3801K33DCKR is a voltage supervisor IC manufactured by Texas Instruments. It comes in a 5-pin SC-70 package. The primary function of the TPS3801K33DCKR is to monitor the voltage level of a power supply and assert a reset signal when the voltage falls below a specified threshold. This ensures that microcontrollers or other digital systems start up in a known state after power-up or brownout conditions. The device is particularly useful in applications where precise voltage monitoring is crucial for stability and reliability.

Manufacturer

The TPS3801K33DCKR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is widely recognized for its contributions to the electronics industry, providing solutions for analog and embedded processing. TI serves several sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and is known for its focus on innovation, quality, and corporate responsibility.

Application

The TPS3801K33DCKR is a voltage supervisor IC used primarily in monitoring and reset applications. Its key application areas include:
1. Microprocessor and Microcontroller Systems: Ensures reliable operation by monitoring supply voltage and providing a reset signal during power-up, power-down, or brownout conditions.
2. Embedded Systems: Offers protection against voltage drops, enhancing system stability and data integrity.
3. Consumer Electronics: Used in devices like smartphones, tablets, and wearables to prevent malfunction due to voltage irregularities.
4. Industrial Equipment: Ensures machinery operates within voltage specifications, preventing damage or data loss.
5. Automotive Systems: Provides voltage monitoring for ECU and other automotive electronics, ensuring safety and performance.

Package

The TPS3801K33DCKR is packaged in a SOT-23-5 (Small Outline Transistor) form factor. This package type is small and suitable for surface-mount technology, commonly used in compact electronic devices.

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