사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 1.8V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| Reset Timeout | 170ms Minimum |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The TPS3851H18EDRBR is a highly specialized voltage supervisor and watchdog timer produced by Texas Instruments. It's designed to monitor system voltages and ensure proper operation in microcontroller and processor systems, especially in critical applications where reliability is essential. This device features a high-accuracy threshold detection of ±1%, making it suitable for precise monitoring tasks. Operating over a wide voltage range, it provides flexibility for various power supply configurations.
The TPS3851H18EDRBR includes an open-drain reset output, which signals when the monitored voltage falls below a specified threshold. This ensures the system can be safely reset or shutdown to prevent data corruption or other issues. The integrated watchdog timer function helps to monitor the system's activity, resetting the system if it becomes unresponsive within a set time frame. This feature is crucial for maintaining system stability in embedded applications.
Packaged in a small and efficient design, the TPS3851H18EDRBR is ideal for space-constrained applications in automotive, industrial, and consumer electronics sectors.
The TPS3851H18EDRBR includes an open-drain reset output, which signals when the monitored voltage falls below a specified threshold. This ensures the system can be safely reset or shutdown to prevent data corruption or other issues. The integrated watchdog timer function helps to monitor the system's activity, resetting the system if it becomes unresponsive within a set time frame. This feature is crucial for maintaining system stability in embedded applications.
Packaged in a small and efficient design, the TPS3851H18EDRBR is ideal for space-constrained applications in automotive, industrial, and consumer electronics sectors.
Equivalent
The TPS3851H18EDRBR is a voltage supervisor chip from Texas Instruments. Equivalent products from other manufacturers include the MAX16056 from Maxim Integrated, the ADM8316 from Analog Devices, and the MCP1316 from Microchip Technology. These alternatives offer similar voltage monitoring and reset functionality but may differ in specific features like voltage thresholds, package types, or additional functionalities. Always compare the datasheets to ensure compatibility with your application.
Features
The TPS3851H18EDRBR is a precision voltage supervisor with several key features:
1. Voltage Monitoring: It monitors a single voltage rail and ensures it stays within a specified threshold.
2. High Accuracy: Provides high accuracy in voltage monitoring, usually around ±1%.
3. Adjustable Delay: Users can set a customizable delay time for the reset signal through an external capacitor, offering flexibility in various applications.
4. Reset Functionality: It has an active-low reset output that triggers when the monitored voltage falls below the threshold, ensuring proper system operation.
5. Wide Supply Range: Operates over a broad supply voltage range, making it versatile for different systems.
6. Low Quiescent Current: Consumes minimal power, ideal for battery-powered or energy-sensitive applications.
7. Temperature Range: Supports a wide operating temperature range, enhancing reliability in harsh environments.
8. Package: Comes in a space-efficient, small footprint package, suitable for compact device designs.
These features make the TPS3851H18EDRBR an excellent choice for applications requiring precise voltage supervision and reliable system resets.
1. Voltage Monitoring: It monitors a single voltage rail and ensures it stays within a specified threshold.
2. High Accuracy: Provides high accuracy in voltage monitoring, usually around ±1%.
3. Adjustable Delay: Users can set a customizable delay time for the reset signal through an external capacitor, offering flexibility in various applications.
4. Reset Functionality: It has an active-low reset output that triggers when the monitored voltage falls below the threshold, ensuring proper system operation.
5. Wide Supply Range: Operates over a broad supply voltage range, making it versatile for different systems.
6. Low Quiescent Current: Consumes minimal power, ideal for battery-powered or energy-sensitive applications.
7. Temperature Range: Supports a wide operating temperature range, enhancing reliability in harsh environments.
8. Package: Comes in a space-efficient, small footprint package, suitable for compact device designs.
These features make the TPS3851H18EDRBR an excellent choice for applications requiring precise voltage supervision and reliable system resets.
Pinout
The TPS3851H18EDRBR is a voltage supervisor IC from Texas Instruments, designed to monitor system voltages and provide a reset signal when the monitored voltage falls below a specified threshold. It is part of the TPS3851 series, known for its high accuracy and low power consumption.
The TPS3851H18EDRBR is housed in a 6-pin package with the following pin functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. MR (Pin 3): Manual reset input. Active low input used to reset the IC.
4. RESET (Pin 4): Reset output. Active low output to indicate reset condition.
5. WDO (Pin 5): Watchdog output. Becomes active when watchdog conditions are violated.
6. WDI (Pin 6): Watchdog input. Monitors and checks for system activity to avoid reset.
The device is suitable for applications requiring a precise voltage monitoring solution and reliable system reset operation.
The TPS3851H18EDRBR is housed in a 6-pin package with the following pin functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. MR (Pin 3): Manual reset input. Active low input used to reset the IC.
4. RESET (Pin 4): Reset output. Active low output to indicate reset condition.
5. WDO (Pin 5): Watchdog output. Becomes active when watchdog conditions are violated.
6. WDI (Pin 6): Watchdog input. Monitors and checks for system activity to avoid reset.
The device is suitable for applications requiring a precise voltage monitoring solution and reliable system reset operation.
Manufacturer
The TPS3851H18EDRBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. They are particularly well-known for their development of analog integrated circuits and embedded processors. TI’s products are used in various applications, including industrial equipment, automotive systems, personal electronics, and communications infrastructure, among others. The company is recognized for its innovation and extensive portfolio of semiconductor technologies.
Application
The TPS3851H18EDRBR is a highly reliable voltage supervisor designed for monitoring system voltages in a variety of applications. Its key application areas include:
1. Industrial Automation: Ensures reliable system operation by monitoring critical voltages in PLCs and other industrial control systems.
2. Consumer Electronics: Provides protection in devices such as TVs, game consoles, and appliances.
3. Automotive Systems: Used for monitoring voltage levels in various automotive electronic modules.
4. Medical Equipment: Ensures stable performance in medical devices by supervising voltage levels.
5. Telecommunications: Maintains system integrity in networking equipment by monitoring power supplies.
Its wide temperature range and precision make it suitable for environments requiring robust voltage supervision.
1. Industrial Automation: Ensures reliable system operation by monitoring critical voltages in PLCs and other industrial control systems.
2. Consumer Electronics: Provides protection in devices such as TVs, game consoles, and appliances.
3. Automotive Systems: Used for monitoring voltage levels in various automotive electronic modules.
4. Medical Equipment: Ensures stable performance in medical devices by supervising voltage levels.
5. Telecommunications: Maintains system integrity in networking equipment by monitoring power supplies.
Its wide temperature range and precision make it suitable for environments requiring robust voltage supervision.
Package
The TPS3851H18EDRBR is packaged in a VSON (Very Thin Small Outline No-Lead) format with 6 pins. The specific size is referred to as DRB, which typically measures 3.00 mm x 3.00 mm. This package type is designed for compact spaces and efficient thermal performance.
