TC1271AMVCTTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: SOT-23-5
• Essence: Monitors the voltage level of a power supply 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)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TC1271AMVCTTR has a total of 5 pins:

1. VDD: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. VBAT: Battery voltage monitor input

Functional Features

• Monitors the battery voltage and generates a reset signal when it drops below the specified threshold.
• Provides a manual reset option through the MR pin.
• Low quiescent current consumption for power-sensitive applications.
• Wide operating voltage range allows compatibility with various power supply configurations.

Advantages

• High accuracy in voltage monitoring ensures reliable operation.
• Low-power consumption extends battery life in portable devices.
• Small package size enables space-saving designs.
• Flexible reset threshold options cater to different system requirements.
• Manual reset capability adds flexibility in system control.

Disadvantages

• Limited number of reset threshold options may not cover all voltage monitoring scenarios.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The TC1271AMVCTTR operates by continuously monitoring the voltage level at the VBAT pin. When the voltage falls below the specified threshold, the RESET pin is asserted low, indicating a system reset condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin.

Detailed Application Field Plans

The TC1271AMVCTTR finds applications in various fields, including:

1. Battery-powered devices: Provides reliable voltage monitoring and reset functionality to prevent erratic behavior or data corruption when the battery voltage drops.
2. Microcontroller systems: Ensures proper system initialization by resetting the microcontroller when the power supply voltage is insufficient.
3. Industrial control systems: Monitors critical power supplies to maintain system integrity and prevent damage due to voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with similar features and package options.
2. ADM1232: Integrated watchdog timer and voltage monitor IC suitable for more complex system requirements.
3. MCP101: Low-power voltage supervisor IC with adjustable reset thresholds.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

Word count: 389 words