TL7705CP

Name: TL7705CP
Rating: 4.5 (10 reviews)

TL7705CP is a power supply supervisor chip with watchdog timer, ideal for monitoring system voltages and reset functions.

3,921 Effective Inventory

TL7705CP

Effective Inventory3,921

TL7705CP is a power supply supervisor chip with watchdog timer, ideal for monitoring system voltages and reset functions.

Manufacturer Part # : TL7705CP
Package/Case: DIP-8
Brand: Texas Instruments
Product Categories : Power Management Circuits

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TL7705CP DataSheet

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Details

TL7705CP is a voltage supervisor IC manufactured by Texas Instruments. It is a precision voltage detector designed for use in microprocessor systems, providing reset capability and voltage monitoring.The TL7705CP has a wide operating voltage range of 2.7V to 18V, making it suitable for a variety of applications. It features a low supply current of 10μA, ensuring minimal power consumption in the monitored system.This voltage supervisor IC is equipped with a precision reference voltage of 2.5V, ensuring accurate monitoring of the system voltage. It offers a fixed threshold voltage of 4.65V, providing a reliable reset signal when the system voltage drops below this level.The TL7705CP also includes a manual reset input, allowing for external control of the reset function. This feature is useful for system testing and troubleshooting.In terms of packaging, the TL7705CP is available in an 8-pin PDIP package, making it easy to integrate into a circuit board.

Key Features

Low supply current of 1.5mA
Reset threshold voltage of 2.8V
Adjustable reset time delay
Wide operating temperature range of -40°C to 125°C
Power-On Reset generator

Application

Power supply sequencing in digital systems
Voltage monitoring and detection in microcontrollers
Reset circuitry in automotive and industrial applications
Battery-powered devices requiring low quiescent current
System power-on reset in consumer electronics
Portable electronics with power management
Remote monitoring and control systems
Industrial automation and control systems

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer

Texas Instruments

Product Category !

IC Chips

FAQs

What is TL7705CP?

The TL7705CP is a supply voltage supervisor and reset generator designed by Texas Instruments. It is commonly used in microcontroller and digital system applications to monitor the supply voltage and provide a reset signal to the system when the voltage falls below a specified threshold.

How Does TL7705CP Work?

The TL7705CP works by continuously monitoring the supply voltage and comparing it to a reference voltage. When the supply voltage drops below the threshold, the TL7705CP generates a reset signal to ensure proper system initialization and operation. It helps prevent the system from operating in an undefined state due to low supply voltage.

How Many Pins does TL7705CP have and What are the Functions of the Pinout Configuration?

The TL7705CP is housed in an 8-pin PDIP (Plastic Dual In-Line Package) package. The pinout configuration includes:

VCC: Supply voltage input pin.
RESET: Reset output pin.
GND: Ground pin.
MR: Manual reset input pin.
SENS: Sense input for voltage monitoring.
VCC: Additional supply voltage input pin for devices requiring a separate supply voltage for the reset output.

What are the Pros and Cons of TL7705CP?

Pros:

Supply Voltage Monitoring: Ensures proper system operation by monitoring the supply voltage and providing a reset signal when necessary.
Manual Reset Input: Allows for manual initiation of the reset signal for system testing or specific application requirements.
Wide Operating Voltage Range: Can operate over a wide range of supply voltages, providing flexibility in system design.

Cons:

Single Function Device: The TL7705CP primarily serves the purpose of supply voltage monitoring and reset generation, offering limited additional functionality.
External Components: May require additional external components for specific system requirements, such as pull-up resistors or capacitors.

Are There Any Equivalents/Alternatives to TL7705CP for Recommendation?

The MAX809 from Maxim Integrated and the ADM803 from Analog Devices are alternatives to the TL7705CP for supply voltage monitoring and reset generation.
Equivalents to the TL7705CP include the MC34164 from ON Semiconductor and the S-808xxC Series from Seiko Instruments.

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