TC54VN2902EMB713

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: 8-Lead Micro SMD
• Essence: Monitors voltage levels and provides a reset signal when necessary
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TC54VN2902EMB713 has the following pin configuration:

1. VDD: Supply Voltage Input
2. GND: Ground
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input
5. TH: Threshold Voltage Selection Input
6. NC: No Connection
7. NC: No Connection
8. VOUT: Voltage Monitor Output

Functional Features

• Monitors supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring helps prevent system malfunctions. - Low power consumption extends battery life in portable devices. - Small package size saves board space. - Multiple threshold voltage options cater to various voltage requirements.

Disadvantages: - Limited to voltage monitoring and reset functionality. - Not suitable for applications requiring complex supervisory functions.

Working Principles

The TC54VN2902EMB713 operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold voltage, the reset output is activated, indicating a power failure or low voltage condition. The manual reset input allows for immediate system reset when required.

Detailed Application Field Plans

The TC54VN2902EMB713 is commonly used in various applications where precise voltage monitoring and reset functionality are critical. Some typical application fields include:

1. Battery-Powered Devices: Ensures proper shutdown or system reset when battery voltage drops below a safe level.
2. Microcontrollers: Protects microcontrollers from unstable power conditions, preventing data corruption or erratic behavior.
3. Industrial Control Systems: Monitors power supply integrity in industrial equipment, triggering appropriate actions during voltage fluctuations.
4. Automotive Electronics: Safeguards automotive electronics by providing reliable reset signals during voltage transients or brownout conditions.

Detailed and Complete Alternative Models

1. MAX809: Voltage Supervisors with Manual Reset and Adjustable Threshold Voltage.
2. ADM6315: Microprocessor Supervisory Circuits with Watchdog Timer and Reset Output.
3. TPS3808: Precision Voltage Supervisors with Programmable Delay Time and Adjustable Threshold Voltage.
4. MCP130: Low-Power Voltage Detectors with Active-High and Active-Low Reset Outputs.

These alternative models offer similar voltage monitoring and reset functionalities, but may have additional features or different specifications that cater to specific application requirements.

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