TPS3823-50DBVR

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TPS3823-50DBVR

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IC SUPERVISOR 1 CHANNEL SOT23-5

  • 製造商德州儀器

  • 製造商部分 #TPS3823-50DBVR

  • 包裹 SOT-23 (DBV)-5

  • 有存貨3987

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正品保證

規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 4.55V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 120ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

概述

Description

The TPS3823-50DBVR is a voltage supervisor or reset IC (integrated circuit) manufactured by Texas Instruments. It is designed to monitor the supply voltage of digital systems and issue a reset signal whenever the voltage drops below a specified threshold, ensuring the system operates correctly and preventing data corruption or unintended behavior during power-up, brownouts, or power failures.
Key features of the TPS3823-50DBVR include:
1. Precision Monitoring: It monitors a 5V supply voltage with high accuracy.
2. Reset Functionality: Provides a reset output signal when the monitored voltage falls below the threshold, with an active-low reset output.
3. Fixed Threshold: The reset threshold is pre-set for convenience.
4. Time Delay: A built-in delay feature ensures that the reset signal is maintained for a specified time to allow the system to stabilize.
5. Low Power Consumption: Designed for minimal power use, making it suitable for battery-powered applications.
6. Compact Package: Available in a small, SOT-23 package, suitable for space-constrained applications.
Overall, the TPS3823-50DBVR is ideal for ensuring reliable operation of microcontrollers, DSPs, and other electronic systems by safeguarding against improper voltage levels.

Equivalent

The TPS3823-50DBVR is a voltage supervisor with a 5.0V threshold. Equivalent products include:
1. Microchip MCP130T-450I/TT - Similar voltage supervisor with a 4.5V threshold.
2. STMicroelectronics STM809S - Provides a 4.63V threshold reset.
3. Analog Devices ADM809TARTZ - Offers a 4.63V threshold.
4. ON Semiconductor CAT809STBI-GT3 - Features a 4.63V threshold.
These alternatives may have slight variations in specifications, so review the datasheets for compatibility.

Features

The TPS3823-50DBVR is a voltage supervisor IC designed to monitor system voltages and ensure proper reset during power-up and power-down conditions. Key features include:
1. Voltage Monitoring: It monitors a 5.0V power supply, ensuring the system is operating within safe voltage levels.
2. Precision Threshold: The device has a precise voltage threshold detection with a typical accuracy of ±2%.
3. Reset Functionality: Provides an active low reset output to ensure the system microcontroller starts in a known state.
4. Delay Time: Incorporates a fixed reset delay time of 200 ms (typical), allowing the power supply to stabilize before the system begins operation.
5. Low Quiescent Current: Consumes minimal power with a low quiescent current, enhancing system efficiency.
6. Small Package: Available in a compact SOT-23-5 package, making it suitable for space-constrained applications.
7. Temperature Range: Operates over a wide temperature range from -40°C to +85°C, suitable for various environmental conditions.
These features make the TPS3823-50DBVR ideal for ensuring reliable operation in microcontroller-based systems.

Pinout

The TPS3823-50DBVR is a voltage supervisor or reset IC manufactured by Texas Instruments. It typically comes in a 5-pin SOT-23 package. The primary function of the TPS3823-50DBVR is to monitor the supply voltage and issue a reset signal to the microcontroller or processor when the voltage falls below a specified threshold, in this case, 5.0 V. The reset signal ensures that the processor operates correctly by preventing it from executing potentially faulty operations due to insufficient voltage levels. The pins are generally assigned as follows: VDD (supply voltage), GND (ground), RESET (reset output), MR (manual reset input), and NC (no connection or sometimes alternative functionality depending on the configuration). The exact pin assignment should be verified from the datasheet for specific applications.

Manufacturer

The TPS3823-50DBVR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest and most well-known companies in the electronics industry, serving a wide range of sectors including automotive, industrial, personal electronics, and communications. TI is renowned for its development, innovation, and production of analog technologies, embedded processing, and digital signal processing (DSP) solutions.

Application

The TPS3823-50DBVR is a voltage supervisor or reset IC used primarily in applications requiring system reliability and safety. Key application areas include:
1. Embedded Systems: Ensures microcontrollers reset correctly after power disruptions.
2. Industrial Electronics: Monitors supply voltage to prevent malfunctions in critical systems.
3. Consumer Electronics: Provides protection in devices like set-top boxes and home automation products.
4. Automotive Systems: Ensures stable operation in vehicular control systems by monitoring voltage levels.
5. Communication Equipment: Maintains stability in networking devices by managing power-up sequences.
6. Medical Devices: Helps in maintaining robust operations by managing power supply fluctuations.
These applications benefit from the IC’s precision voltage monitoring and reset capabilities.

Package

The TPS3823-50DBVR is a voltage supervisor from Texas Instruments, packaged in a SOT-23-5 (Small Outline Transistor) configuration. This compact package is designed for space-constrained applications, offering reliable reset functionality in electronic circuits.

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