Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
TL7726CDR
Ver Detalle Hojas de datos

TL7726CDR

Product Overview

TL7726CDR is a voltage supervisor and reset IC belonging to the category of integrated circuits. It is commonly used in electronic devices to monitor the power supply voltage and ensure proper system operation. The characteristics of TL7726CDR include its low power consumption, small package size, and high precision voltage monitoring. It is typically available in surface mount packages and is essential for maintaining stable and reliable performance in various electronic applications.

Basic Information

  • Category: Integrated Circuits
  • Use: Voltage supervision and reset
  • Characteristics: Low power consumption, small package size, high precision voltage monitoring
  • Package: Surface mount
  • Essence: Ensuring stable and reliable system operation
  • Packaging/Quantity: Typically supplied in reels or tubes containing multiple units

Specifications

  • Operating Voltage Range: 1.1V to 5.5V
  • Reset Threshold Voltage Options: 2.93V, 3.08V, 4.63V, and adjustable
  • Low Quiescent Current: 10µA (typical)
  • Temperature Range: -40°C to 125°C
  • Output Type: Active-low push-pull, active-low open-drain

Detailed Pin Configuration

TL7726CDR features a standard pin configuration with the following key pins: 1. VCC: Power supply input 2. GND: Ground connection 3. MR: Manual reset input 4. RESET: Reset output

Functional Features

TL7726CDR provides precise monitoring of the power supply voltage and generates a reset signal when the voltage falls below a predefined threshold. It offers flexibility with multiple reset threshold voltage options and an adjustable option. The active-low reset output ensures compatibility with a wide range of microcontrollers and digital systems.

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Wide operating voltage range
  • Multiple reset threshold options
  • Small package size

Disadvantages

  • Limited to voltage monitoring and reset functionality
  • Not suitable for applications requiring complex supervisory functions

Working Principles

TL7726CDR operates by continuously monitoring the input voltage and comparing it to the preset threshold. When the voltage drops below the threshold, the reset output is activated, signaling the connected system to initiate a controlled reset sequence. This ensures that the system remains in a known state during power fluctuations or brownout conditions.

Detailed Application Field Plans

TL7726CDR is widely used in various electronic applications, including: - Microcontroller-based systems - Embedded systems - Industrial control systems - Power management modules - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to TL7726CDR include: - MAX823 - ADM811 - TPS3808 - MCP809

In summary, TL7726CDR is a vital component in electronic systems, providing essential voltage monitoring and reset capabilities to ensure reliable and stable operation.

Word Count: 443

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TL7726CDR en soluciones técnicas

  1. What is TL7726CDR?

    • TL7726CDR is a dual-supply voltage supervisor and watchdog timer designed for use in microprocessor systems.

  2. What are the key features of TL7726CDR?

    • The key features include dual-supply monitoring, adjustable reset threshold, manual reset input, watchdog timer, and low supply current.

  3. How does TL7726CDR help in microprocessor systems?

    • TL7726CDR provides reliable monitoring of two power supplies, ensuring proper operation of the microprocessor and preventing erratic behavior due to power supply issues.

  4. What is the operating voltage range of TL7726CDR?

    • TL7726CDR operates over a wide voltage range, typically from 1.2V to 5.5V.

  5. Can TL7726CDR be used in automotive applications?

    • Yes, TL7726CDR is suitable for automotive applications due to its wide operating voltage range and robust design.

  6. How can the reset threshold be adjusted in TL7726CDR?

    • The reset threshold can be adjusted using an external resistor divider network, allowing flexibility in setting the monitoring voltage levels.

  7. Does TL7726CDR have built-in protection features?

    • Yes, TL7726CDR includes built-in hysteresis to prevent false triggering and ensure stable operation in noisy environments.

  8. What is the watchdog timer function in TL7726CDR?

    • The watchdog timer monitors the microprocessor's activity and generates a reset signal if it detects a fault or lock-up condition, helping to enhance system reliability.

  9. Is TL7726CDR available in different package options?

    • Yes, TL7726CDR is available in various package options, including SOIC and TSSOP, providing flexibility for different PCB layouts.

  10. Are there any application notes or reference designs available for TL7726CDR?

    • Yes, Texas Instruments provides application notes and reference designs to assist engineers in implementing TL7726CDR in their technical solutions.