MC34164P-3RP

Product Overview

Category

MC34164P-3RP belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage supervisors are designed to ensure proper functioning of electronic devices by monitoring the power supply voltage.
• MC34164P-3RP provides a reset signal when the monitored voltage falls below a predetermined threshold.
• It operates with a wide range of input voltages, making it suitable for various applications.
• The device has low power consumption and high accuracy.

Package

MC34164P-3RP is available in a standard 8-pin PDIP (Plastic Dual In-line Package) package.

Essence

The essence of MC34164P-3RP lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring the reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying depending on the supplier. Common packaging options include 2500 units per reel or 50 units per tube.

Specifications

• Supply Voltage Range: 2.5V to 40V
• Reset Threshold Voltage: Adjustable from 1.6V to 5V
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active Low

Detailed Pin Configuration

MC34164P-3RP features the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VCC (Supply Voltage): Connected to the positive supply voltage.
3. RESET (Reset Output): Provides a reset signal when the monitored voltage falls below the threshold.
4. THRES (Threshold Input): Determines the voltage threshold at which the reset signal is triggered.
5. MR (Manual Reset Input): Allows for manual reset control.
6. VREF (Reference Voltage Output): Provides a stable reference voltage.
7. SENSE (Voltage Sense Input): Monitors the voltage level to be supervised.
8. NC (No Connection): This pin is not connected and should be left unconnected.

Functional Features

• MC34164P-3RP continuously monitors the input voltage and compares it with the threshold voltage set by the THRES pin.
• When the input voltage drops below the threshold, the RESET pin goes low, indicating a reset condition.
• The device remains in this state until the input voltage rises above the threshold or a manual reset is applied.
• MC34164P-3RP incorporates hysteresis to prevent false triggering due to voltage fluctuations or noise.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Adjustable threshold voltage provides flexibility.
• Hysteresis prevents false triggering.
• Compact and easy-to-use package.

Disadvantages

• Lack of built-in protection features against overvoltage or reverse polarity.
• Limited output options (only active low).

Working Principles

MC34164P-3RP operates based on a voltage comparator circuit. It compares the input voltage with the threshold voltage set by the user. When the input voltage falls below the threshold, the comparator output triggers the reset signal. The reset signal remains active until the input voltage rises above the threshold or a manual reset is applied.

Detailed Application Field Plans

MC34164P-3RP finds applications in various fields, including: 1. Power supply monitoring in industrial control systems. 2. Battery-powered devices to prevent undervoltage conditions. 3. Microcontroller-based systems requiring reliable reset functionality. 4. Automotive electronics for voltage supervision. 5. Home automation systems for power management.

Detailed and Complete Alternative Models

Some alternative models to MC34164P-3RP include: 1. MAX823: Voltage supervisor with adjustable threshold voltage and active-low reset output. 2. TL7705: Precision voltage supervisor with fixed threshold voltage and active-low reset output. 3. LTC2910: Dual-supply voltage supervisor with adjustable threshold voltage and active-low reset output. 4. TPS3839: Ultra-low-power voltage supervisor with fixed threshold voltage and active-low reset output. 5. ADM6315: Microprocessor supervisory circuit with adjustable threshold voltage and active-low reset output.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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