Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Multi-Voltage Supervisor |
| Number of Voltages Monitored | 3 |
| Voltage - Threshold | 1.68V, 2.93V, 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 TPS3307-18DR is a supervisory circuit designed by Texas Instruments for monitoring and controlling microprocessor and microcontroller operations. It ensures system reliability by providing reset control and power management functionalities. The device is particularly suited for applications that require precise monitoring of supply voltages in dual-voltage systems.
Key features of the TPS3307-18DR include the ability to monitor three independent voltages. The primary reset threshold voltage is 1.8V, with additional monitoring for 3.3V and adjustable voltage levels. It includes a reset function that is triggered if any of the monitored voltages fall below their respective thresholds, thereby preventing data corruption or system malfunctions.
The device is housed in a small SOIC-8 package, making it suitable for space-constrained applications. It operates over a temperature range of -40°C to 85°C, making it versatile for various environmental conditions. Low power consumption of the TPS3307-18DR also makes it an effective choice for battery-operated systems. Overall, it provides robust protection for digital systems by ensuring stable operation through reliable voltage supervision.
Key features of the TPS3307-18DR include the ability to monitor three independent voltages. The primary reset threshold voltage is 1.8V, with additional monitoring for 3.3V and adjustable voltage levels. It includes a reset function that is triggered if any of the monitored voltages fall below their respective thresholds, thereby preventing data corruption or system malfunctions.
The device is housed in a small SOIC-8 package, making it suitable for space-constrained applications. It operates over a temperature range of -40°C to 85°C, making it versatile for various environmental conditions. Low power consumption of the TPS3307-18DR also makes it an effective choice for battery-operated systems. Overall, it provides robust protection for digital systems by ensuring stable operation through reliable voltage supervision.
Equivalent
The TPS3307-18DR is a voltage supervisor or reset IC used for monitoring microprocessor and digital systems. Equivalent products may include:
1. MAX706 series from Maxim Integrated.
2. ADM690 series from Analog Devices.
3. MCP1316 series from Microchip Technology.
4. LTC690 series from Analog Devices/Linear Technology.
These alternatives have similar functions but may vary slightly in specifications such as voltage thresholds, timing, or packaging, so it's important to verify compatibility with specific design requirements.
1. MAX706 series from Maxim Integrated.
2. ADM690 series from Analog Devices.
3. MCP1316 series from Microchip Technology.
4. LTC690 series from Analog Devices/Linear Technology.
These alternatives have similar functions but may vary slightly in specifications such as voltage thresholds, timing, or packaging, so it's important to verify compatibility with specific design requirements.
Features
The TPS3307-18DR is a precision voltage supervisor designed to monitor three independent supply voltages. Key features include:
1. Voltage Monitoring: It supports dual low-threshold voltage monitoring, with threshold voltages set for 1.8V, 3.3V, and an adjustable third channel.
2. Manual Reset: An active-low manual reset input (MR) allows for external reset control, offering additional flexibility.
3. Reset Delay Timer: Incorporates an integrated 200-ms reset delay timer that ensures stable system initialization.
4. Active-Low Reset Output: Provides a reset output (active-low) for power-on reset and voltage drop recovery.
5. Low Supply Current: Operates with a low supply current of typically 9 µA, which is advantageous for battery-powered applications.
6. Watchdog Functionality: Includes a watchdog timer with a selectable timeout period to monitor system operation.
7. Temperature Range: It functions over an extended temperature range from −40°C to +125°C, making it suitable for harsh environments.
8. Package: Available in an 8-pin SOIC package, facilitating easy integration into various circuit designs.
These features make the TPS3307-18DR suitable for safeguarding sensitive electronic systems against voltage irregularities and ensuring reliable operation.
1. Voltage Monitoring: It supports dual low-threshold voltage monitoring, with threshold voltages set for 1.8V, 3.3V, and an adjustable third channel.
2. Manual Reset: An active-low manual reset input (MR) allows for external reset control, offering additional flexibility.
3. Reset Delay Timer: Incorporates an integrated 200-ms reset delay timer that ensures stable system initialization.
4. Active-Low Reset Output: Provides a reset output (active-low) for power-on reset and voltage drop recovery.
5. Low Supply Current: Operates with a low supply current of typically 9 µA, which is advantageous for battery-powered applications.
6. Watchdog Functionality: Includes a watchdog timer with a selectable timeout period to monitor system operation.
7. Temperature Range: It functions over an extended temperature range from −40°C to +125°C, making it suitable for harsh environments.
8. Package: Available in an 8-pin SOIC package, facilitating easy integration into various circuit designs.
These features make the TPS3307-18DR suitable for safeguarding sensitive electronic systems against voltage irregularities and ensuring reliable operation.
Pinout
The TPS3307-18DR is a triple-voltage supervisor IC manufactured by Texas Instruments. It is designed to monitor three system supply voltages and assert a reset signal when any of these voltages fall below a pre-defined threshold, ensuring reliable operation of microcontrollers and other digital systems.
The TPS3307-18DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The key functions include:
1. Voltage Monitoring: It monitors three voltage rails, typically 3.3V, 5V, and an adjustable voltage down to 1.8V.
2. Reset Function: It provides a reset output that is asserted when any of the monitored voltages drop below their specified thresholds. The reset remains asserted for a fixed time after all voltages are above the threshold, allowing the system to stabilize.
3. Manual Reset Input: It features a manual reset input for external reset control.
4. Active-Low Outputs: The reset output is active-low.
These features make it suitable for applications requiring high reliability and precise voltage monitoring, such as microprocessor and DSP systems.
The TPS3307-18DR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The key functions include:
1. Voltage Monitoring: It monitors three voltage rails, typically 3.3V, 5V, and an adjustable voltage down to 1.8V.
2. Reset Function: It provides a reset output that is asserted when any of the monitored voltages drop below their specified thresholds. The reset remains asserted for a fixed time after all voltages are above the threshold, allowing the system to stabilize.
3. Manual Reset Input: It features a manual reset input for external reset control.
4. Active-Low Outputs: The reset output is active-low.
These features make it suitable for applications requiring high reliability and precise voltage monitoring, such as microprocessor and DSP systems.
Manufacturer
The TPS3307-18DR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is one of the world's largest semiconductor companies and is well-known for designing and manufacturing a variety of electronic components, including integrated circuits, microcontrollers, and sensors. TI's products are widely used in various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on creating innovative solutions that help engineers design more efficient and reliable products. TI is highly regarded for its contributions to analog technologies, embedded processing, and digital signal processing.
Application
The TPS3307-18DR is a voltage supervisor designed for monitoring and resetting microprocessors and digital systems. Its primary application areas include embedded systems, industrial automation, telecommunications infrastructure, and consumer electronics. It ensures system reliability by overseeing power supply levels and providing reset signals during under-voltage conditions. This device is also suitable for battery-operated devices, helping to manage power consumption and extend battery life by enabling controlled shutdowns and restarts. Additionally, it can be used in automotive electronics to ensure stable operation of control units.
Package
The TPS3307-18DR is a supervisory circuit in a SOIC-8 package. It monitors and supervises three supply voltages and generates a reset signal for microprocessors.
