TC1270AMCVCTTR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power Consumption, Precision Monitoring, Small Package Size
• Package: SOT-23-5
• Essence: Monitors the voltage level of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1270AMCVCTTR has a total of 5 pins:

1. VDD: Supply Voltage Input
2. GND: Ground
3. RESET: Reset Output
4. MR: Manual Reset Input
5. VBAT: Battery Voltage Input

Functional Features

• Monitors the supply voltage and asserts the RESET pin low when the voltage drops below the selected threshold.
• Provides a manual reset option through the MR pin.
• Low quiescent current consumption makes it suitable for battery-powered applications.
• Small package size allows for space-efficient designs.

Advantages

• Precise monitoring of voltage levels ensures reliable system operation.
• Low power consumption extends battery life in portable devices.
• Small package size enables compact circuit designs.
• Multiple reset threshold options provide flexibility for different applications.

Disadvantages

• Limited number of reset threshold options may not meet the requirements of all systems.
• Lack of adjustable reset timeout period may not be suitable for applications with specific timing requirements.

Working Principles

The TC1270AMCVCTTR operates by continuously monitoring the supply voltage connected to the VBAT pin. When the voltage falls below the selected threshold, the RESET pin is asserted low, indicating a system reset condition. The manual reset option allows for external control over the reset signal. The IC's low power consumption ensures minimal impact on overall system energy efficiency.

Detailed Application Field Plans

The TC1270AMCVCTTR is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are critical. Some typical application fields include:

1. Microcontroller-based Systems: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Battery-powered Devices: Protects against undervoltage conditions that can lead to data corruption or system instability.
3. Industrial Control Systems: Provides a fail-safe mechanism by resetting the system when the supply voltage drops below a safe operating level.
4. Automotive Electronics: Monitors battery voltage to prevent damage to sensitive components and ensure proper functioning of vehicle systems.

Detailed and Complete Alternative Models

1. MAX809: Voltage Supervisor IC with Adjustable Reset Threshold and Timeout Period.
2. ADM708: Precision Voltage Monitor with Programmable Reset Threshold and Manual Reset Input.
3. MCP1316: Low-Power Voltage Supervisor with Multiple Reset Threshold Options and Power-On Reset Delay.

These alternative models offer similar functionality to the TC1270AMCVCTTR and can be considered as alternatives based on specific application requirements.

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