TL7705AIDR

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TL7705AIDR

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IC SUPERVISOR 1 CHANNEL 8SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 4.55V
Output Complementary
Reset Active High/Active Low
Reset Timeout 1µs Maximum Propagation Delay
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

The TL7705AIDR is a precision voltage supervisor IC designed by Texas Instruments. It is used primarily in monitoring and controlling power supply voltages in electronic systems to ensure they remain within specified limits. The device is part of the TL77xx series and is often utilized in microprocessor and microcontroller applications.
Key features of the TL7705AIDR include an accurate and stable 4.55V threshold voltage detection, ensuring that systems are kept under control during power-up, power-down, and brownout conditions. The IC provides a reset output that can be used to reset the system when the monitored voltage falls below this threshold.
Additional features include adjustable delay time for reset output through an external capacitor, a wide supply voltage range, and a low quiescent current, making it suitable for battery-powered applications. The device is available in a standard SOIC-8 package, providing a compact solution for voltage supervision tasks in various electronic designs.

Equivalent

The TL7705AIDR is a supply voltage supervisor. Equivalent products include:
1. MCP100/101 from Microchip – Basic voltage detector.
2. MAX809/810 from Maxim Integrated – Offers voltage monitoring.
3. STM1001 from STMicroelectronics – Provides reset supervision.
4. ADM805 from Analog Devices – Power supply supervisor.
5. LMC555 from Texas Instruments – Can be configured for similar applications.
Always verify the specifications to ensure compatibility with your application.

Features

The TL7705AIDR is a voltage supervisory circuit designed to monitor and manage power supply voltages. Key features include:
1. Precision Voltage Detection: It monitors a 5V supply with a precision threshold, ensuring reliable power-up and power-down sequences.
2. Adjustable Time Delay: The device offers a programmable delay time for power-on reset, allowing customization to different system requirements.
3. Wide Supply Voltage Range: It operates over a broad range of supply voltages, enhancing versatility in various applications.
4. Low Power Consumption: The device is optimized for low power operation, making it suitable for battery-powered systems.
5. Temperature Range: It functions efficiently across an industrial temperature range, ensuring reliability in harsh environments.
6. Reset Output: Provides a reset signal to the microcontroller when the supply voltage falls below the threshold, preventing erroneous operations.
7. Package Options: Available in a compact surface-mount package, suitable for space-constrained designs.
These features make the TL7705AIDR ideal for applications requiring precise voltage supervision and reliable system reset management.

Pinout

The TL7705AIDR is a Texas Instruments voltage monitoring integrated circuit commonly used for power supply supervision. It comes in an 8-pin configuration. Here is a brief description of its pin functions:
1. VCC (Pin 1): Power supply input for the IC.
2. GND (Pin 2): Ground reference for the device.
3. RESET (Pin 3): Output pin that goes low during a fault condition, typically used to reset microcontrollers or other logic circuits.
4. CT (Pin 4): Timing capacitor pin used to set the delay time for the reset operation.
5. NC (Pin 5): No connection, not used.
6. NC (Pin 6): No connection, not used.
7. NC (Pin 7): No connection, not used.
8. SENSE (Pin 8): Input pin for monitoring the voltage level.
This IC is utilized in applications where monitoring voltage levels to ensure they remain above a certain threshold is crucial, providing a reset signal when the voltage drops below a specified level.

Manufacturer

The TL7705AIDR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. TI is one of the largest semiconductor companies in the world and its products are widely used in electronics, including industrial, automotive, personal electronics, and communication equipment. The company is known for producing a wide array of components such as analog chips, digital signal processors, and embedded processors. TI is headquartered in Dallas, Texas, and has operations around the globe.

Application

The TL7705AIDR is a supply voltage supervisor integrated circuit used primarily in power management applications. It ensures proper microcontroller reset during power-up, power-down, and brownout conditions, thereby enhancing system reliability. Common application areas include:
1. Embedded Systems: Providing reset signals for microcontrollers and microprocessors.
2. Consumer Electronics: Ensuring stable operation of devices like televisions and gaming consoles.
3. Industrial Equipment: Safeguarding programmable logic controllers and other industrial automation systems.
4. Automotive Electronics: Used in automotive control units for reliable startup and operation.
5. Communication Devices: Maintaining stability in routers and modems.
Its role in these applications is crucial for preventing data corruption and ensuring system stability.

Package

The TL7705AIDR is a Texas Instruments voltage supervisor IC that comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

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