TL7705ACD

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TL7705ACD

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IC SUPERVISOR 1 CHANNEL 8SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 4.55V
Output Complementary
Reset Active High/Active Low
ResetTimeout 1µs Maximum Propagation Delay
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The TL7705ACD is a voltage supervisor IC designed for monitoring the supply voltage in microprocessor systems. It ensures that the system operates correctly only when the power supply is within specified limits. This device is part of the TL77xx family and is specifically tailored for a 5V supply system. It monitors the supply voltage and generates a reset signal when the voltage drops below a predefined threshold, ensuring that the microprocessor starts in a known state after power-up or a voltage disturbance.
Key features of the TL7705ACD include a precise voltage detection threshold, low power consumption, and an open collector output for the reset signal, which can interface with different logic levels. The device also offers a wide temperature operating range, making it suitable for various applications, including consumer electronics, industrial equipment, and automotive systems. The TL7705ACD is housed in a small surface-mount package, making it easy to integrate into compact circuit designs. Overall, this IC is a reliable solution for maintaining microprocessor system stability and ensuring proper startup and operation.

Equivalent

The TL7705ACD is a voltage supervisor or reset IC. Equivalent products include:
1. MCP120/121 from Microchip Technology
2. MAX809/MAX810 from Maxim Integrated
3. ADM809/ADM810 from Analog Devices
4. LM809/LM810 from ON Semiconductor
5. TPS3808 from Texas Instruments
These ICs perform similar functions of monitoring supply voltages and generating a reset signal to ensure proper microcontroller operation. Always check the specific parameters and pin configurations for compatibility.

Features

The TL7705ACD is a voltage supervisor integrated circuit designed to monitor and control power supply levels in electronic devices. Key features include:
1. Supply Voltage Monitoring: Ensures the system operates within specified voltage levels, providing reset signals when deviations occur.
2. Fixed Threshold: Typically set at 4.55V, suitable for 5V logic systems.
3. Precision Voltage Detection: Offers high accuracy in detecting voltage levels, essential for reliable system performance.
4. Reset Output: Generates a reset signal when the supply voltage falls below the threshold, helping to prevent system errors during power-up, power-down, or brownout conditions.
5. Adjustable Delay: Allows for customization of the reset signal delay, enhancing system flexibility.
6. Wide Operating Temperature Range: Supports operation between -40°C and 85°C, ensuring reliability in various environments.
7. Low Supply Current: Operates efficiently with minimal power consumption, critical for battery-powered applications.
8. Compact Package: Available in a small form factor (such as SOIC), which is suitable for space-constrained applications.
These features make the TL7705ACD ideal for ensuring system stability and reliability in various electronic applications.

Pinout

The TL7705ACD is a voltage monitoring integrated circuit from Texas Instruments, typically used for supervising power supplies in microprocessor systems. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VCC (Pin 1): This is the supply voltage input.
2. GND (Pin 2): The ground reference pin.
3. SENSE (Pin 3): Input for voltage that needs to be monitored.
4. CT (Pin 4): This pin is connected to an external capacitor to set the timing for the reset delay.
5. RESET (Pin 5): Active-low reset output that indicates the status of the monitored voltage.
6. RESET (Pin 6): Active-high reset output, complement of Pin 5.
7. REF (Pin 7): Provides a reference voltage output.
8. NC (Pin 8): No connection, not internally connected.
The TL7705ACD is utilized in applications requiring voltage supervision, ensuring that a system does not operate below a certain voltage threshold.

Manufacturer

The TL7705ACD is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is one of the leading manufacturers of semiconductors and integrated circuits, with a focus on developing analog chips and embedded processors. TI's products are used in a wide range of applications, including automotive, industrial, consumer electronics, and communications equipment. The company is known for its innovation in the electronics industry and has a significant presence in both the design and manufacturing of semiconductor devices.

Application

The TL7705ACD is a voltage supervisor and reset IC commonly used in applications requiring precise voltage monitoring and system stability. It is primarily used in microprocessor and microcontroller systems to monitor the supply voltage and ensure reliable startup and operation. It provides a reset signal when the supply voltage drops below a specified threshold, protecting against undervoltage conditions. The TL7705ACD is also used in power supply sequencing, ensuring that multiple voltage rails start up and shut down in a controlled manner. Additionally, it is utilized in consumer electronics, industrial automation, and automotive systems where reliable power management is critical.

Package

The TL7705ACD is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This is an 8-pin surface-mount package designed for efficient handling and use in automated manufacturing processes.

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