仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 4.65V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| ResetTimeout | Adjustable/Selectable |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
概要
Description
The TPS3808G50DBVR is a voltage supervisor IC (Integrated Circuit) from Texas Instruments designed to monitor and manage the voltage levels in electronic systems. This device ensures that microcontrollers and other digital circuits operate within safe voltage ranges by providing accurate voltage detection and system reset functions. It is particularly useful in power-sensitive applications.
Key features of the TPS3808G50DBVR include an adjustable reset delay, precision voltage threshold detection at 5.0V, and a push-pull output configuration. The device operates with low power consumption, making it suitable for battery-powered applications. It provides a reset signal to connected devices when the monitored voltage drops below a certain threshold, thus protecting against undervoltage conditions. The device is housed in a small, SMD (Surface-Mount Device) package, which makes it ideal for space-constrained applications.
The TPS3808G50DBVR is commonly used in embedded systems, industrial equipment, and consumer electronics where reliable power management is critical. It helps enhance system stability and protects components from damage caused by incorrect voltage levels.
Key features of the TPS3808G50DBVR include an adjustable reset delay, precision voltage threshold detection at 5.0V, and a push-pull output configuration. The device operates with low power consumption, making it suitable for battery-powered applications. It provides a reset signal to connected devices when the monitored voltage drops below a certain threshold, thus protecting against undervoltage conditions. The device is housed in a small, SMD (Surface-Mount Device) package, which makes it ideal for space-constrained applications.
The TPS3808G50DBVR is commonly used in embedded systems, industrial equipment, and consumer electronics where reliable power management is critical. It helps enhance system stability and protects components from damage caused by incorrect voltage levels.
Equivalent
Equivalent products to the TPS3808G50DBVR, a voltage supervisor IC by Texas Instruments, include:
1. Maxim Integrated’s MAX706 series.
2. Microchip Technology’s MCP1316 series.
3. ON Semiconductor's NCP302 series.
4. STMicroelectronics' STM809 series.
These alternatives offer similar functionalities for monitoring voltage levels and ensuring microcontroller reliability. Ensure compatibility by checking specific features like threshold voltage and packaging.
1. Maxim Integrated’s MAX706 series.
2. Microchip Technology’s MCP1316 series.
3. ON Semiconductor's NCP302 series.
4. STMicroelectronics' STM809 series.
These alternatives offer similar functionalities for monitoring voltage levels and ensuring microcontroller reliability. Ensure compatibility by checking specific features like threshold voltage and packaging.
Features
The TPS3808G50DBVR is a precision voltage supervisor with the following key features:
1. Precision Monitoring: Features a 0.25% typical threshold accuracy for precise voltage monitoring.
2. Adjustable Threshold: Offers an adjustable threshold with an external resistor divider, catering to various voltage monitoring requirements.
3. Low Quiescent Current: Designed with a low quiescent current of typically 2.4 µA, making it energy-efficient for battery-powered applications.
4. Push-Pull Output: Includes a push-pull active-low reset output suitable for various system designs.
5. Programmable Reset Delay: Provides a programmable reset delay using an external capacitor, allowing for flexibility in system startup timing.
6. Wide Supply Voltage Range: Supports a wide supply voltage range from 1.6V to 6.5V, enhancing compatibility with different systems.
7. Small Package: Comes in a small SOT-23 package, which is ideal for space-constrained applications.
8. Temperature Range: Operates over a wide temperature range from -40°C to 125°C, ensuring reliability in diverse environments.
These features make the TPS3808G50DBVR suitable for applications requiring precise voltage monitoring and low power consumption.
1. Precision Monitoring: Features a 0.25% typical threshold accuracy for precise voltage monitoring.
2. Adjustable Threshold: Offers an adjustable threshold with an external resistor divider, catering to various voltage monitoring requirements.
3. Low Quiescent Current: Designed with a low quiescent current of typically 2.4 µA, making it energy-efficient for battery-powered applications.
4. Push-Pull Output: Includes a push-pull active-low reset output suitable for various system designs.
5. Programmable Reset Delay: Provides a programmable reset delay using an external capacitor, allowing for flexibility in system startup timing.
6. Wide Supply Voltage Range: Supports a wide supply voltage range from 1.6V to 6.5V, enhancing compatibility with different systems.
7. Small Package: Comes in a small SOT-23 package, which is ideal for space-constrained applications.
8. Temperature Range: Operates over a wide temperature range from -40°C to 125°C, ensuring reliability in diverse environments.
These features make the TPS3808G50DBVR suitable for applications requiring precise voltage monitoring and low power consumption.
Pinout
The TPS3808G50DBVR is a voltage supervisor IC manufactured by Texas Instruments. It comes in a 6-pin SOT-23 package. The main function of the TPS3808G50DBVR is to monitor system voltages and reset processors or microcontrollers when the monitored voltage falls below a specified threshold. Specifically, the "G50" in the part number indicates that the device monitors a 5.0V voltage rail.
Here is a brief overview of its pin configuration:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. MR (Manual Reset): Manual reset input.
4. OUT: Reset output, which goes low when the monitored voltage is below the threshold.
5. CT (Capacitor Timeout): Connect a capacitor here to set the delay time for reset.
6. SENSE: Voltage sense input, connected to the voltage rail being monitored.
The device ensures reliable system operation by providing a reset to the system, preventing operation in an undesirable voltage range.
Here is a brief overview of its pin configuration:
1. VDD: Power supply pin.
2. GND: Ground pin.
3. MR (Manual Reset): Manual reset input.
4. OUT: Reset output, which goes low when the monitored voltage is below the threshold.
5. CT (Capacitor Timeout): Connect a capacitor here to set the delay time for reset.
6. SENSE: Voltage sense input, connected to the voltage rail being monitored.
The device ensures reliable system operation by providing a reset to the system, preventing operation in an undesirable voltage range.
Manufacturer
The TPS3808G50DBVR is manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits. TI is one of the largest semiconductor companies in the world and its products are used in a wide array of electronic devices, including calculators, personal electronics, automotive systems, industrial machinery, and communications equipment. The company is well-known for its innovation in the field of analog chips and embedded processors. With a strong focus on research and development, Texas Instruments aims to deliver solutions that help to create a smarter, more connected world.
Application
The TPS3808G50DBVR is a voltage supervisor or reset IC commonly used in applications that require monitoring of power supply voltages to ensure the system operates within specified limits. Its application areas include:
1. Microcontroller and DSP Systems: Ensures reliable operation by resetting the processor during power-up, power-down, and brownout conditions.
2. Industrial Control Systems: Monitors critical system voltages to prevent malfunction.
3. Consumer Electronics: Provides power management and system reliability.
4. Telecommunications: Maintains stability in networking equipment.
5. Automotive Systems: Serves in safety-critical applications where voltage monitoring is crucial.
These applications benefit from the device's precise voltage threshold detection, low power consumption, and small footprint.
1. Microcontroller and DSP Systems: Ensures reliable operation by resetting the processor during power-up, power-down, and brownout conditions.
2. Industrial Control Systems: Monitors critical system voltages to prevent malfunction.
3. Consumer Electronics: Provides power management and system reliability.
4. Telecommunications: Maintains stability in networking equipment.
5. Automotive Systems: Serves in safety-critical applications where voltage monitoring is crucial.
These applications benefit from the device's precise voltage threshold detection, low power consumption, and small footprint.
Package
The TPS3808G50DBVR is a voltage supervisor IC from Texas Instruments, specifically in a DBV package type, also known as SOT-23-6. This compact package is a small outline transistor configuration with six leads, designed for space-efficient applications.
