TPS3705-30DR

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TPS3705-30DR

IC SUPERVISOR 1 CHANNEL 8SOIC

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規格

Part Status Active
DigiKey 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 140ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number TPS3705

概述

Description

The TPS3705-30DR is a voltage supervisor from Texas Instruments designed for monitoring power supply voltages in various applications. It features a precision voltage detection and reset output, making it ideal for ensuring system stability in microcontrollers, FPGAs, and other digital circuits.
Key specifications include a threshold voltage of 3.0V, low power consumption, and an active-high or active-low reset output, which can be configured for different system requirements. The device operates within a wide voltage range and has fast response times to voltage variations, which enhances system reliability.
The TPS3705-30DR also includes hysteresis to prevent false triggering due to noise, and its small package size (SOT-23) makes it suitable for space-constrained designs. Overall, it provides a robust solution for voltage monitoring and reset functionality, ensuring that systems operate within their specified voltage limits.

Features

The TPS3705-30DR is a voltage supervisor designed for power management applications. Key features include:
1. Adjustable Reset Voltage: It offers adjustable reset thresholds ranging from 1.5V to 3.5V, making it suitable for various applications.
2. Low Supply Current: The device operates with a low supply current, enhancing energy efficiency.
3. Active-Low and Active-High Reset Output: It provides both active-low and active-high reset output options.
4. Programmable Delay: The reset output delay can be programmed to ensure proper system startup.
5. Wide Operating Range: It supports a wide input voltage range, typically from 1.5V to 5.5V.
6. Temperature Range: It operates over a wide temperature range, ensuring reliability in diverse environments.
7. Compact Package: The device is available in a small package (SOT-23), facilitating space-constrained designs.
8. Debounce Feature: It includes debounce features to filter out noise and ensure stable operation.
Overall, the TPS3705-30DR is ideal for microcontroller and processor applications requiring reliable power monitoring.

Package

The TPS3705-30DR is packaged in a 5-pin SOT-23 (Small Outline Transistor) package. This compact surface-mount package is designed for space efficiency in electronic circuits.

Pinout

The TPS3705-30DR is a voltage supervisor from Texas Instruments, designed for monitoring power supply voltages. It features a 5-pin configuration. The pin functions are as follows:
1. VOUT (Pin 1): Output pin that goes low when the monitored voltage is below the threshold.
2. GND (Pin 2): Ground reference pin.
3. VDD (Pin 3): Supply voltage input pin, typically connected to the monitored voltage.
4. SENSE (Pin 4): Input pin for the voltage to be monitored.
5. NMI (Pin 5): Non-Maskable Interrupt output, used to indicate a fault condition.
The TPS3705-30DR is designed for applications requiring reliable voltage monitoring, ensuring system integrity by signaling when the voltage is below a predetermined threshold.

Manufacturer

The TPS3705-30DR is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of electronic components, including analog and digital semiconductors, embedded processors, and various integrated circuits. Founded in 1930, the company is a key player in the electronics industry, serving markets such as automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation and commitment to providing high-performance solutions for various applications.

Application

The TPS3705-30DR is a voltage supervisor used in various applications, including microcontroller monitoring, power management systems, and battery-operated devices. It provides precision voltage monitoring for supply rails, enabling safe operation by resetting the system in under-voltage or over-voltage conditions. Common areas of application include automotive electronics, industrial control systems, telecommunications, and consumer electronics. Its ability to improve system reliability makes it suitable for critical applications requiring accurate voltage supervision.

Equivalent

Equivalent products to the TPS3705-30DR include the TPS3705-30DBVR, TPS3705-40DR, and TPS3705-40DBVR, which share similar functionality but may differ in voltage thresholds. Other alternatives could be the LM36923 or MAX809, depending on specific application requirements. Always verify specifications such as threshold voltage and package type for compatibility.

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