TPS3307-25DR

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TPS3307-25DR

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IC SUPERVISOR 3 CHANNEL 8SOIC

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仕様

属性
PartStatus Active
DigiKeyProgrammable Not Verified
Type Multi-Voltage Supervisor
NumberofVoltagesMonitored 3
Voltage-Threshold 2.25V, 2.93V, Adj
Output Push-Pull, Totem Pole
Reset Active High/Active Low
ResetTimeout 140ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber TPS3307

概要

Description

The TPS3307-25DR is a supervisory circuit produced by Texas Instruments. It is designed to monitor and ensure the proper operation of microprocessors and digital systems by tracking supply voltages. The device is part of the TPS3307 series and specifically targets systems with a 2.5V voltage requirement.
Key features of the TPS3307-25DR include:
1. Voltage Monitoring: It monitors three supply voltages simultaneously.
2. Reset Output: Provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions.
3. Adjustable Delay: The reset delay time is adjustable via an external capacitor.
4. Low Supply Current: It operates with minimal power consumption, enhancing efficiency in battery-powered applications.
5. Package: Available in a small-outline package for space-constrained designs.
This device is widely used in embedded systems, ensuring reliable system startup and operation by preventing malfunction during voltage fluctuations, making it ideal for applications requiring robust power supervision.

Equivalent

The TPS3307-25DR is a supervisory circuit used for monitoring power supplies. Equivalent products from other manufacturers might include the MAX706 series from Maxim Integrated, the ADM705 from Analog Devices, and the STM706 from STMicroelectronics. These alternatives generally offer similar functionalities, such as voltage monitoring and reset generation, but be sure to check specific electrical characteristics and pin compatibility to ensure they meet your requirements.

Features

The TPS3307-25DR is a precision voltage supervisor integrated circuit designed to monitor system voltages and ensure proper system reset during power-up and power-down conditions. Key features include:
1. Voltage Monitoring: Monitors three different voltage rails, typically 3.3V, 2.5V, and an adjustable voltage.
2. Reset Functionality: Provides a reset signal when any monitored voltage drops below the threshold.
3. Adjustable Threshold: One channel has an adjustable threshold for flexibility across different applications.
4. Time Delay: Includes a programmable delay time for the reset signal to ensure system stability.
5. Low Quiescent Current: Designed for low power consumption, making it suitable for battery-operated devices.
6. Precision: Offers high accuracy in voltage monitoring, crucial for sensitive applications.
7. Temperature Range: Operates over a wide temperature range, typically from -40°C to 85°C.
8. Package: Available in an 8-pin SOIC package, facilitating integration into a variety of systems.
These features make the TPS3307-25DR suitable for applications requiring reliable voltage supervision and reset protection.

Pinout

The TPS3307-25DR is a supervisory circuit designed to monitor and ensure the proper operation of microprocessor systems. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary functions of the TPS3307-25DR include:
1. Supply Voltage Supervision: It monitors three supply voltages, specifically targeting 3.3V, 5V, and one adjustable voltage, to ensure they remain within specified thresholds.
2. Reset Output: The device provides a reset output to ensure the microcontroller or digital system initializes correctly upon power-up or during voltage dips.
3. Manual Reset Input: It features an input pin for manual reset, allowing external control to trigger a system reset.
4. Watchdog Timer: An internal watchdog timer is included to detect system malfunctions and initiate a reset if the system fails to communicate within a predefined time interval.
5. Power-On Reset Delay: It offers a delay feature to ensure stable system power-on reset timing.
This combination of features ensures robust supervision of power supply and system reliability in embedded applications.

Manufacturer

The TPS3307-25DR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic devices. The company is a leader in the electronics industry, providing products and solutions that are integral to the functionality of consumer electronics, automotive systems, industrial machinery, and more. With a strong focus on research and development, Texas Instruments continues to innovate in areas such as analog and embedded processing technologies.

Application

The TPS3307-25DR is a voltage supervisor integrated circuit primarily used in applications requiring precise monitoring of supply voltages. Key areas include:
1. Embedded Systems: Ensures microcontrollers and processors operate within safe voltage levels, preventing malfunction.
2. Industrial Equipment: Maintains reliable operation by monitoring power supply in automation and control systems.
3. Consumer Electronics: Used in devices like cameras and gaming consoles for power management.
4. Telecommunications: Ensures stable operation of network devices by supervising power supply.
5. Automotive Electronics: Monitors supply voltages in ECUs and infotainment systems for reliability.
Its main role is to enhance system stability and prevent damage due to over/under voltage conditions.

Package

The TPS3307-25DR is a voltage supervisor IC from Texas Instruments, housed in an SOIC-8 (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount technology, providing reliable power monitoring and ensuring system stability by supervising the voltage levels of microcontrollers and other circuits.

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