Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 0.84V |
| 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 |
Tổng quan
Description
The TPS3808G09DBVR is a precision voltage supervisor manufactured by Texas Instruments. It is designed to monitor system voltages and ensure that they stay within specified limits, thus protecting microcontrollers and other critical components from operating under undervoltage conditions. The device is part of the TPS3808 series, known for high accuracy and low power consumption.
Key features of the TPS3808G09DBVR include:
- Adjustable or fixed threshold voltage options, with high accuracy to ensure precise voltage monitoring.
- A programmable delay time using an external capacitor, allowing for customization as needed in specific applications.
- Low quiescent current, making it suitable for battery-powered devices.
- Push-pull (active high) reset output.
- Small SOT-23 package, which is ideal for space-constrained applications.
Typical applications for the TPS3808G09DBVR include power supply monitoring, embedded systems, and portable electronics. Its small size, precision, and low power requirements make it a versatile component in ensuring reliable system performance.
Key features of the TPS3808G09DBVR include:
- Adjustable or fixed threshold voltage options, with high accuracy to ensure precise voltage monitoring.
- A programmable delay time using an external capacitor, allowing for customization as needed in specific applications.
- Low quiescent current, making it suitable for battery-powered devices.
- Push-pull (active high) reset output.
- Small SOT-23 package, which is ideal for space-constrained applications.
Typical applications for the TPS3808G09DBVR include power supply monitoring, embedded systems, and portable electronics. Its small size, precision, and low power requirements make it a versatile component in ensuring reliable system performance.
Equivalent
The TPS3808G09DBVR is a voltage supervisor IC by Texas Instruments. Equivalent products from other manufacturers include the MAX6715 from Maxim Integrated, the MIC2777 from Microchip Technology, and the ADM809 from Analog Devices. These ICs serve similar functions in monitoring voltage levels and ensuring system reliability by providing reset signals when voltage thresholds are breached. Always check specific performance characteristics to ensure compatibility with your application.
Features
The TPS3808G09DBVR is a precision voltage supervisor with the following key features:
1. Operating Voltage: Supports a wide supply voltage range from 1.7 V to 6.5 V.
2. Low Quiescent Current: Consumes very low current, typically around 2.4 µA, making it suitable for battery-operated applications.
3. Adjustable Reset Delay: Offers programmable delay time using an external capacitor, enhancing flexibility for various applications.
4. Accuracy: Provides high accuracy with a typical threshold accuracy of ±1.5% over temperature.
5. Active-Low Reset Output: Features an open-drain, active-low reset output.
6. Manual Reset: Includes an option for a manual reset input for user intervention.
7. Temperature Range: Operates over a broad temperature range from -40°C to +125°C, catering to industrial environments.
8. Package: Comes in a small SOT-23 package, optimizing board space.
These features make the TPS3808G09DBVR ideal for applications requiring reliable monitoring of supply voltages and precise control over system resets.
1. Operating Voltage: Supports a wide supply voltage range from 1.7 V to 6.5 V.
2. Low Quiescent Current: Consumes very low current, typically around 2.4 µA, making it suitable for battery-operated applications.
3. Adjustable Reset Delay: Offers programmable delay time using an external capacitor, enhancing flexibility for various applications.
4. Accuracy: Provides high accuracy with a typical threshold accuracy of ±1.5% over temperature.
5. Active-Low Reset Output: Features an open-drain, active-low reset output.
6. Manual Reset: Includes an option for a manual reset input for user intervention.
7. Temperature Range: Operates over a broad temperature range from -40°C to +125°C, catering to industrial environments.
8. Package: Comes in a small SOT-23 package, optimizing board space.
These features make the TPS3808G09DBVR ideal for applications requiring reliable monitoring of supply voltages and precise control over system resets.
Pinout
The TPS3808G09DBVR is a voltage supervisor IC from Texas Instruments, designed to monitor and ensure proper operation of microprocessors and digital systems. It comes in a SOT-23-6 package, which means it has 6 pins. Here is a brief overview of the pin functions:
1. VDD: Power supply pin. Connect to the monitored voltage.
2. GND: Ground pin.
3. MR: Manual Reset input. Pulling this pin low initiates a reset.
4. OUT: Reset output. It generates a reset signal when the monitored voltage falls below the threshold.
5. CT: Capacitor Timeout pin. Connect a capacitor to this pin to adjust the reset delay time.
6. NC: No Connection. This pin is typically not used.
These pins collectively allow the TPS3808G09DBVR to provide precise voltage monitoring with customizable delay settings, ensuring system reliability and stability.
1. VDD: Power supply pin. Connect to the monitored voltage.
2. GND: Ground pin.
3. MR: Manual Reset input. Pulling this pin low initiates a reset.
4. OUT: Reset output. It generates a reset signal when the monitored voltage falls below the threshold.
5. CT: Capacitor Timeout pin. Connect a capacitor to this pin to adjust the reset delay time.
6. NC: No Connection. This pin is typically not used.
These pins collectively allow the TPS3808G09DBVR to provide precise voltage monitoring with customizable delay settings, ensuring system reliability and stability.
Manufacturer
The TPS3808G09DBVR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. With a focus on innovation, TI develops components used in various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company's broad portfolio of products includes integrated circuits, microcontrollers, processors, and sensors, among others. They are known for their emphasis on efficiency, performance, and reliability, catering to a diverse array of technological applications.
Application
The TPS3808G09DBVR is a voltage supervisor IC primarily used in applications requiring precise voltage monitoring and reset functions. Key application areas include:
1. Embedded Systems: Ensures reliable operation by monitoring microcontroller voltages and triggering resets during anomalies.
2. Consumer Electronics: Offers protection in devices like smartphones and tablets by safeguarding against brownouts.
3. Industrial Equipment: Provides robust monitoring in harsh environments to prevent equipment damage.
4. Telecommunications: Ensures network equipment stability by maintaining power integrity.
5. Automotive Systems: Monitors critical voltage levels in automotive electronic control units (ECUs).
6. Computer Systems: Protects CPUs and other components from power supply issues.
These applications benefit from its low power consumption and adjustable reset thresholds.
1. Embedded Systems: Ensures reliable operation by monitoring microcontroller voltages and triggering resets during anomalies.
2. Consumer Electronics: Offers protection in devices like smartphones and tablets by safeguarding against brownouts.
3. Industrial Equipment: Provides robust monitoring in harsh environments to prevent equipment damage.
4. Telecommunications: Ensures network equipment stability by maintaining power integrity.
5. Automotive Systems: Monitors critical voltage levels in automotive electronic control units (ECUs).
6. Computer Systems: Protects CPUs and other components from power supply issues.
These applications benefit from its low power consumption and adjustable reset thresholds.
Package
The TPS3808G09DBVR is packaged in a SOT-23-6 form. This is a small, surface-mount package commonly used for electronic components.