TLC2933AIPWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Programmable
• Package: TSSOP-8
• Essence: Monitors and controls voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 1.8V, 2.5V, 3.3V, 5V
• Adjustable Hysteresis
• Open-Drain Output
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLC2933AIPWR has a total of 8 pins arranged as follows: 1. GND (Ground) 2. VCC (Supply Voltage) 3. RESET (Reset Output) 4. TH (Threshold Input) 5. HYST (Hysteresis Control) 6. NC (No Connection) 7. NC (No Connection) 8. OUT (Output)

Functional Features

• Voltage Monitoring: The TLC2933AIPWR monitors the input voltage and provides a reset signal when it falls below or rises above the programmed threshold.
• Programmable Threshold: The threshold voltage can be set using an external resistor divider network connected to the TH pin.
• Adjustable Hysteresis: The hysteresis voltage can be adjusted using an external resistor connected to the HYST pin.
• Open-Drain Output: The output pin is an open-drain configuration, allowing easy interfacing with other devices.

Advantages and Disadvantages

Advantages: - Low-power consumption - High precision voltage monitoring - Wide supply voltage range - Adjustable hysteresis for flexibility

Disadvantages: - Limited number of threshold voltage options - No internal pull-up resistor on the output pin

Working Principles

The TLC2933AIPWR works by comparing the input voltage with the programmed threshold voltage. When the input voltage falls below the threshold, the reset output is activated, indicating a power failure or fault condition. The hysteresis feature ensures that the reset signal remains active until the input voltage rises above the threshold plus the hysteresis voltage.

Detailed Application Field Plans

The TLC2933AIPWR is commonly used in various applications where voltage monitoring and control are critical. Some specific application fields include: 1. Power Supply Units (PSUs): Ensuring stable voltage levels in PSUs to protect sensitive electronic components. 2. Battery-Powered Devices: Monitoring battery voltage to prevent over-discharge and damage to the battery. 3. Industrial Control Systems: Providing reliable voltage supervision in industrial automation systems. 4. Automotive Electronics: Monitoring voltage levels in automotive systems to prevent malfunctions and ensure safety.

Detailed and Complete Alternative Models

1. TLV803: Similar voltage supervisor IC with adjustable threshold and fixed hysteresis.
2. MAX809: Voltage supervisor IC with fixed threshold and hysteresis, available in different package options.
3. ADM6315: Precision voltage monitor with adjustable threshold and hysteresis, suitable for low-power applications.

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