TPS3839L30DBZR

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TPS3839L30DBZR

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IC SUPERVISOR 1 CHANNEL SOT23-3

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規格

屬性 價值
Part Status Active
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.63V
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 120ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Base Product Number TPS3839

概述

Description

The TPS3839L30DBZR is a voltage supervisor integrated circuit (IC) from Texas Instruments designed to monitor power supply voltages and ensure system reliability. It features an adjustable reset threshold voltage, making it suitable for various applications, including microcontrollers and processors. The device operates with a supply voltage range of 1.5V to 5.5V and offers a reset output that remains active until the monitored voltage exceeds the set threshold.
Key features include low quiescent current, fast response time, and an active-low reset output. The TPS3839L30DBZR is packaged in a compact SOT-23 footprint, facilitating easy integration into space-constrained designs. Additionally, it provides a variety of reset timeout periods, enhancing flexibility in system design. Overall, this voltage supervisor is essential for preventing system malfunctions due to voltage fluctuations, thus ensuring robust operation in various electronic applications.

Equivalent

Equivalent products to the TPS3839L30DBZR chip include the TPS3839K30DBZR, TPS3839L25DBZR, and TPS3832K30DBZR. Other alternatives may include the MAX810, MAX809, and MIC2027, which are also voltage supervisors with similar functionalities. Always check the specifications for compatibility in terms of voltage thresholds, reset timing, and package type.

Features

The TPS3839L30DBZR is a voltage supervisor designed for power supply monitoring. Key features include:
1. Fixed Voltage Reference: Monitors voltage levels with a precision of ±2% at 3.0V.
2. Low Quiescent Current: Consumes only 1.0 µA, enhancing battery life in portable applications.
3. Adjustable Reset Delay: Offers programmable delay times to prevent false resets.
4. Active Low Reset Output: Provides an open-drain output that pulls low when the monitored voltage drops below the threshold.
5. Wide Operating Voltage Range: Functions within a supply range of 1.0V to 5.5V, suitable for various applications.
6. Temperature Range: Operates across a temperature range of -40°C to +125°C, ensuring reliability in harsh environments.
7. Compact Package: Available in a small SOT-23 package, facilitating space-saving designs.
These features make the TPS3839L30DBZR ideal for use in microcontroller applications, battery-powered devices, and power supply systems requiring reliable voltage supervision.

Pinout

The TPS3839L30DBZR is a voltage supervisor from Texas Instruments featuring a 6-pin package (DBZ) with the following pin functions:
1. VDD: Supply voltage input.
2. GND: Ground reference.
3. RESET: Active-low reset output.
4. SENSE: Voltage sense input for monitoring the supply voltage.
5. SET: Voltage threshold setting input (for specific variants).
6. N/C: No connection (not used).
The device is designed to monitor power supply levels and provide a reset signal when the voltage drops below a specified threshold, ensuring reliable system operation during power fluctuations.

Manufacturer

The TPS3839L30DBZR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits used in electronics systems. TI specializes in analog, embedded processing, and digital signal processing technologies, serving a wide range of industries, including automotive, industrial, communications, and consumer electronics. The TPS3839 series, specifically, is a family of voltage supervisors designed for power management applications, ensuring proper voltage levels for system stability and reliability. Texas Instruments is recognized for its innovation and extensive product portfolio, making it a key player in the global semiconductor market.

Application

The TPS3839L30DBZR is a voltage supervisor designed for various applications, including:
1. Power Management: Ensuring system stability by monitoring supply voltages in power management circuits.
2. Microcontroller Reset: Providing reset signals to microcontrollers and processors during power-up and brownout conditions.
3. Automotive Systems: Used in automotive electronics for reliable voltage monitoring and reset functions.
4. Consumer Electronics: Found in devices such as smartphones, tablets, and wearables to maintain proper operation during voltage fluctuations.
5. Industrial Equipment: Enhances reliability in industrial controls and automation systems by preventing unexpected resets.
Its versatile features make it suitable for any application requiring precise voltage monitoring and reset capabilities.

Package

The TPS3839L30DBZR is packaged in a SOT-23-5 (Small Outline Transistor) package. This compact, surface-mount package features five pins and is designed for space-constrained applications in electronic circuits.

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