TLC2932IPWR

Basic Information Overview

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

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open Drain
• Threshold Voltage Options: Programmable through external resistors
• Power-On Reset Delay Time: Programmable through external capacitor
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The TLC2932IPWR has a total of 8 pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Active-Low Reset Output --| RESET IN |-- Pin 3: Active-Low Reset Input --| MR |-- Pin 4: Master Reset Input --| VDD |-- Pin 5: Positive Supply Voltage (VDD) --| GND |-- Pin 6: Ground (GND) --| NC |-- Pin 7: No Connection (NC) --| VDD |-- Pin 8: Positive Supply Voltage (VDD) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below a programmable threshold.
• Provides a precise power-on reset delay time, allowing for proper initialization of the system.
• Offers a master reset input for manual reset control.
• Active-low reset output drives an open-drain output, enabling easy interfacing with other devices.
• Low quiescent current consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Programmable threshold voltage and power-on reset delay time provide flexibility in system design.
• Low-power operation extends battery life in portable devices.
• Precision monitoring ensures reliable system performance.
• Small package size (TSSOP-8) allows for space-efficient PCB layout.

Disadvantages

• Limited number of pins may restrict the number of external components that can be connected directly.
• Lack of internal pull-up resistors requires additional external components for proper functionality.

Working Principles

The TLC2932IPWR operates by continuously monitoring the supply voltage. When the voltage falls below the programmable threshold, the active-low reset output is asserted, indicating a low-voltage condition. The power-on reset delay time, programmable through an external capacitor, ensures that the reset signal remains active for a specific duration to allow the system to stabilize during power-up. The master reset input provides manual control over the reset function.

Detailed Application Field Plans

The TLC2932IPWR is commonly used in various electronic systems where voltage supervision is critical. Some application fields include: 1. Microcontrollers and microprocessors: Ensures proper initialization and prevents erratic behavior during power-up or brownout conditions. 2. Communication devices: Monitors the supply voltage to prevent data corruption or loss during voltage fluctuations. 3. Industrial control systems: Provides reliable reset signals to ensure safe and controlled operation of machinery and equipment. 4. Automotive electronics: Protects sensitive components from voltage transients and ensures proper functioning of critical systems. 5. Battery-powered devices: Maximizes battery life by monitoring voltage levels and initiating power-saving measures when necessary.

Detailed and Complete Alternative Models

1. TLV803PDBVR: Similar voltage supervisor IC with fixed threshold voltage options and a smaller SOT-23 package.
2. MAX809SEUR+: Voltage supervisor IC with adjustable threshold voltage and push-pull output, available in a SOT-23 package.
3. ADM803SARZ: Precision voltage monitor IC with fixed threshold voltage options and an open-drain output, offered in a SOT-23 package.

(Note: The above alternative models are provided for reference purposes and may have different specifications and features. It is recommended to consult the respective datasheets for detailed information.)

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