TSM103AIDT

Product Overview

Category

TSM103AIDT belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for voltage monitoring and supervision in various electronic devices.

Characteristics

• Voltage monitoring range: 0.8V to 5V
• Adjustable threshold voltage
• Low quiescent current consumption
• Wide operating temperature range: -40°C to +125°C

Package

TSM103AIDT is available in a small surface-mount package known as SOT-23-6.

Essence

The essence of TSM103AIDT lies in its ability to accurately monitor and supervise voltage levels within electronic systems, ensuring proper functionality and preventing damage due to overvoltage or undervoltage conditions.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 10µA (typical)
• Output type: Active low, open-drain
• Response time: 20µs (typical)

Detailed Pin Configuration

TSM103AIDT features a six-pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. VDD (Supply Voltage): Connect this pin to the positive supply voltage.
3. VIN (Voltage Input): The voltage to be monitored is connected to this pin.
4. SET (Threshold Setting): This pin allows adjustment of the threshold voltage.
5. OUT (Output): Provides an active low, open-drain output signal indicating the voltage status.
6. NC (No Connection): This pin is not internally connected and can be left unconnected.

Functional Features

• Accurate voltage monitoring: TSM103AIDT ensures precise monitoring of voltage levels within the specified range.
• Adjustable threshold voltage: The threshold voltage can be easily set using the SET pin, allowing customization for different applications.
• Low quiescent current consumption: The IC consumes minimal current during operation, minimizing power consumption and extending battery life.
• Fast response time: TSM103AIDT quickly detects voltage variations and provides an output signal within 20µs.

Advantages and Disadvantages

Advantages

• Wide operating temperature range enables usage in various environmental conditions.
• Small package size allows for space-efficient integration into electronic devices.
• Adjustable threshold voltage provides flexibility for different voltage monitoring requirements.

Disadvantages

• Limited voltage monitoring range (0.8V to 5V) may not be suitable for certain applications requiring higher or lower voltage ranges.
• Lack of built-in hysteresis may result in oscillations near the threshold voltage.

Working Principles

TSM103AIDT operates based on a voltage comparator principle. The input voltage (VIN) is compared with the internally set threshold voltage. When VIN exceeds the threshold voltage, the output (OUT) is pulled low. Conversely, when VIN falls below the threshold voltage, the output remains high impedance.

Detailed Application Field Plans

TSM103AIDT finds application in various fields, including but not limited to:

1. Power supply units: Ensuring stable voltage levels in power supplies to prevent damage to connected devices.
2. Battery-powered systems: Monitoring battery voltage to prevent over-discharge and protect the battery.
3. Industrial automation: Voltage supervision in control systems to maintain reliable operation.
4. Automotive electronics: Monitoring voltage levels in automotive circuits to prevent malfunctions and ensure safety.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TSM103AIDT include:

1. LMV431BIMF/NOPB: Adjustable Precision Shunt Regulator
2. MAX8211CPA+: Voltage Monitor with Adjustable Threshold
3. TL431ACDBZR: Programmable Precision Reference

These alternative models can be considered based on specific application requirements and availability.

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