Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | Multi-Voltage Supervisor |
| Number of Voltages Monitored | 3 |
| Voltage - Threshold | 2.93V, 4.55V, Adj |
| Output | Push-Pull, Totem Pole |
| Reset | Active High/Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
The TPS3307-33DR is a precision voltage supervisor integrated circuit (IC) designed to monitor three separate supply voltages and ensure system reliability in microcontroller and digital systems. Manufactured by Texas Instruments, this device is part of the TPS3307 family and primarily targets applications requiring accurate voltage detection and system reset capabilities.
Key features include:
1. Voltage Monitoring: The IC monitors three voltage rails and provides reset outputs if any supply voltage falls below a pre-set threshold.
2. Reset Functionality: It offers a reliable reset signal to the system, ensuring proper initialization or shutdown of microcontrollers or other digital circuits.
3. Temperature Range: Operational from -40°C to +85°C, making it suitable for industrial environments.
4. Low Quiescent Current: Helps in low-power applications to conserve battery life.
5. Small Package: Comes in a compact SOIC-8 package, allowing easy integration into space-constrained designs.
Overall, the TPS3307-33DR is ideal for embedded systems, industrial applications, and other scenarios where precise voltage monitoring and system reliability are critical.
Key features include:
1. Voltage Monitoring: The IC monitors three voltage rails and provides reset outputs if any supply voltage falls below a pre-set threshold.
2. Reset Functionality: It offers a reliable reset signal to the system, ensuring proper initialization or shutdown of microcontrollers or other digital circuits.
3. Temperature Range: Operational from -40°C to +85°C, making it suitable for industrial environments.
4. Low Quiescent Current: Helps in low-power applications to conserve battery life.
5. Small Package: Comes in a compact SOIC-8 package, allowing easy integration into space-constrained designs.
Overall, the TPS3307-33DR is ideal for embedded systems, industrial applications, and other scenarios where precise voltage monitoring and system reliability are critical.
Equivalent
The TPS3307-33DR is a voltage supervisor IC from Texas Instruments. Equivalent products that perform similar functions include:
1. MAX706T from Maxim Integrated.
2. MCP1316T-33LE/OT from Microchip Technology.
3. ADM13305 from Analog Devices.
4. STM708 from STMicroelectronics.
These components provide voltage monitoring and reset functionalities, similar to the TPS3307-33DR. Ensure compatibility by checking specific voltage thresholds and additional features required for your application.
1. MAX706T from Maxim Integrated.
2. MCP1316T-33LE/OT from Microchip Technology.
3. ADM13305 from Analog Devices.
4. STM708 from STMicroelectronics.
These components provide voltage monitoring and reset functionalities, similar to the TPS3307-33DR. Ensure compatibility by checking specific voltage thresholds and additional features required for your application.
Features
The TPS3307-33DR is a voltage supervisor IC designed to monitor system voltages and ensure reliable operation. Key features include:
1. Triple Voltage Monitoring: It supervises three independent supply voltages, typically including a 3.3V supply.
2. Reset Functionality: Provides an active-low reset output that remains low when any monitored voltage is below threshold, ensuring orderly system start-up and shutdown.
3. Adjustable Delay: Incorporates a programmable reset delay time, allowing customization to meet specific application needs.
4. Watchdog Timer: Includes a watchdog function to monitor microcontroller operation and initiate a reset if necessary.
5. Watchdog Disable: Offers the flexibility to disable the watchdog function when not needed.
6. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
7. Wide Operating Temperature Range: Capable of functioning across a wide temperature range, enhancing reliability in various environments.
8. Small Package: Available in a space-saving SOIC-8 package, ideal for compact designs.
These features make the TPS3307-33DR suitable for applications requiring precise and reliable voltage monitoring and system reset functions.
1. Triple Voltage Monitoring: It supervises three independent supply voltages, typically including a 3.3V supply.
2. Reset Functionality: Provides an active-low reset output that remains low when any monitored voltage is below threshold, ensuring orderly system start-up and shutdown.
3. Adjustable Delay: Incorporates a programmable reset delay time, allowing customization to meet specific application needs.
4. Watchdog Timer: Includes a watchdog function to monitor microcontroller operation and initiate a reset if necessary.
5. Watchdog Disable: Offers the flexibility to disable the watchdog function when not needed.
6. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
7. Wide Operating Temperature Range: Capable of functioning across a wide temperature range, enhancing reliability in various environments.
8. Small Package: Available in a space-saving SOIC-8 package, ideal for compact designs.
These features make the TPS3307-33DR suitable for applications requiring precise and reliable voltage monitoring and system reset functions.
Pinout
The TPS3307-33DR is a supervisory circuit manufactured by Texas Instruments, typically used for monitoring the supply voltage in microprocessor and digital systems to ensure proper system operation. It is part of the TPS3307 family, which provides voltage supervisory functions.
Pin Count:
The TPS3307-33DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Functions:
1. Supply Voltage Monitoring: It monitors three different supply voltages and ensures they remain within predetermined thresholds. If any monitored voltage drops below its threshold, the device triggers a reset to protect the system.
2. Reset Output: This feature provides a reset signal to the microprocessor during an undervoltage condition, ensuring the system stays in a safe state until normal voltage levels are restored.
3. Manual Reset Input: Allows for an external reset to be initiated by an external signal.
4. Watchdog Timer: Monitors microprocessor activity and can initiate a reset if the processor fails to toggle the watchdog input within a specified time period.
These features make the TPS3307-33DR suitable for applications that require high reliability and protection against voltage faults.
Pin Count:
The TPS3307-33DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Functions:
1. Supply Voltage Monitoring: It monitors three different supply voltages and ensures they remain within predetermined thresholds. If any monitored voltage drops below its threshold, the device triggers a reset to protect the system.
2. Reset Output: This feature provides a reset signal to the microprocessor during an undervoltage condition, ensuring the system stays in a safe state until normal voltage levels are restored.
3. Manual Reset Input: Allows for an external reset to be initiated by an external signal.
4. Watchdog Timer: Monitors microprocessor activity and can initiate a reset if the processor fails to toggle the watchdog input within a specified time period.
These features make the TPS3307-33DR suitable for applications that require high reliability and protection against voltage faults.
Manufacturer
The TPS3307-33DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is one of the largest semiconductor companies in the world and is known for a broad range of products, including analog electronics, embedded processors, and digital light processing technologies. The company serves industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.
Application
The TPS3307-33DR is a voltage supervisor designed for monitoring supply voltages in microcontroller and DSP systems. Its primary application areas include:
1. Embedded Systems: Ensures reliable operation by supervising the power supply to microcontrollers and preventing system malfunctions during power disturbances.
2. Industrial Electronics: Used in automation systems to monitor and maintain stable power levels.
3. Consumer Electronics: Provides protection for devices like smartphones and tablets against voltage irregularities.
4. Networking Equipment: Ensures stable performance by supervising power inputs in routers and switches.
5. Automotive Systems: Monitors power in electronic control units (ECUs) to enhance system reliability.
Overall, the TPS3307-33DR is utilized wherever robust power monitoring and system reset capabilities are essential.
1. Embedded Systems: Ensures reliable operation by supervising the power supply to microcontrollers and preventing system malfunctions during power disturbances.
2. Industrial Electronics: Used in automation systems to monitor and maintain stable power levels.
3. Consumer Electronics: Provides protection for devices like smartphones and tablets against voltage irregularities.
4. Networking Equipment: Ensures stable performance by supervising power inputs in routers and switches.
5. Automotive Systems: Monitors power in electronic control units (ECUs) to enhance system reliability.
Overall, the TPS3307-33DR is utilized wherever robust power monitoring and system reset capabilities are essential.
Package
The TPS3307-33DR is a voltage supervisor IC from Texas Instruments, which comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
