TC1271ASVRCTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-5
• Essence: Ensures reliable system operation by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period: Adjustable from 1ms to 600ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TC1271ASVRCTR has a total of 5 pins:

1. VDD: Power Supply Input
2. GND: Ground
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input
5. TH: Threshold Voltage Selection Input

Functional Features

• Monitors the power supply voltage and asserts the reset output when the voltage falls below the threshold.
• Provides an adjustable reset timeout period to accommodate different system requirements.
• Offers a manual reset input for immediate system reset.
• Allows selection of the threshold voltage through the TH pin.

Advantages

• Low quiescent current ensures minimal power consumption.
• Wide supply voltage range allows compatibility with various systems.
• Adjustable reset timeout period provides flexibility in system design.
• Small package size enables space-efficient integration into electronic devices.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Lack of additional features such as hysteresis or watchdog timer.

Working Principles

The TC1271ASVRCTR operates by continuously monitoring the power supply voltage. When the voltage drops below the selected threshold, the reset output is asserted, indicating a low-voltage condition. The reset remains active until the voltage rises above the threshold or a manual reset signal is received.

Detailed Application Field Plans

The TC1271ASVRCTR is commonly used in various electronic systems where reliable operation is critical. Some application fields include:

1. Battery-powered devices: Ensures proper functioning and prevents damage due to low battery voltage.
2. Microcontrollers and microprocessors: Protects against voltage fluctuations that can cause system instability or data corruption.
3. Industrial control systems: Monitors power supply integrity to prevent equipment malfunction or downtime.
4. Automotive electronics: Safeguards sensitive components from voltage variations, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with adjustable reset timeout period and multiple threshold voltage options.
2. MCP131: Low-power voltage monitor with additional features like hysteresis and watchdog timer.
3. TPS383: Precision voltage supervisor with ultra-low quiescent current and wide operating temperature range.

(Note: This list is not exhaustive and serves as an example of alternative models available in the market.)

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