TPS3813L30DBVRG4
Overview
Category: Integrated Circuits (ICs)
Use: Voltage Supervisors
Characteristics: - Low Power Supervisor with Programmable Delay - Precision Voltage Monitor - Watchdog Timer - Manual Reset Input - Power-On Reset Output - Active-Low Push-Pull RESET Output - Open-Drain RESET Output - Supply Voltage Range: 1.8V to 6.5V - Operating Temperature Range: -40°C to +125°C - Package Type: SOT-23 (DBV) - Package Quantity: 3000 units per reel
Specifications
The TPS3813L30DBVRG4 is a low-power voltage supervisor IC designed for monitoring the power supply voltage in various applications. It provides a precise voltage monitor, a watchdog timer, and a manual reset input. The device operates over a wide supply voltage range of 1.8V to 6.5V and can withstand temperatures ranging from -40°C to +125°C.
Pin Configuration
The TPS3813L30DBVRG4 has the following pin configuration:
```
| | --| VDD | --| GND | --| MR | --| RESET | --| RESET_N | |___________| ```
Functional Features
- Voltage Monitoring: The TPS3813L30DBVRG4 accurately monitors the power supply voltage and provides a reset signal when the voltage falls below a programmable threshold.
- Watchdog Timer: The integrated watchdog timer ensures that the system resets if it fails to receive a periodic signal within a specified time interval.
- Manual Reset Input: The manual reset input allows an external signal to force a system reset.
- Power-On Reset Output: The power-on reset output provides a signal indicating that the power supply has stabilized and reached the desired voltage level.
- RESET Output: The TPS3813L30DBVRG4 offers both an active-low push-pull RESET output and an open-drain RESET output for flexibility in system design.
Advantages and Disadvantages
Advantages: - Low power consumption - Wide operating temperature range - Accurate voltage monitoring - Multiple reset output options
Disadvantages: - Limited package options
Working Principles
The TPS3813L30DBVRG4 operates by comparing the power supply voltage with a programmable threshold. When the voltage falls below this threshold, the device asserts the reset signal, indicating a power failure or an out-of-range condition. The watchdog timer ensures that the system resets if it fails to receive a periodic signal within a specified time interval, preventing system lock-ups.
Application Field Plans
The TPS3813L30DBVRG4 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include: - Power management systems - Industrial automation - Automotive electronics - Consumer electronics - Medical devices
Alternative Models
Here are some alternative models that offer similar functionality to the TPS3813L30DBVRG4: - TPS3813K33DBVRG4 - TPS3813I50DBVRG4 - TPS3813J25DBVRG4 - TPS3813H30DBVRG4
These alternative models can be considered based on specific requirements and availability.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS3813L30DBVRG4 dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of TPS3813L30DBVRG4 in technical solutions:
Q: What is the TPS3813L30DBVRG4? A: The TPS3813L30DBVRG4 is a voltage supervisor and reset IC manufactured by Texas Instruments.
Q: What is the purpose of the TPS3813L30DBVRG4? A: The TPS3813L30DBVRG4 is designed to monitor the voltage level of a system and generate a reset signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of the TPS3813L30DBVRG4? A: The TPS3813L30DBVRG4 operates within a voltage range of 0.7V to 10V.
Q: How does the TPS3813L30DBVRG4 detect undervoltage conditions? A: The TPS3813L30DBVRG4 uses an internal voltage reference and comparator to detect when the monitored voltage falls below a programmable threshold.
Q: Can the threshold voltage be adjusted on the TPS3813L30DBVRG4? A: Yes, the threshold voltage can be adjusted using external resistors connected to the VIT+ and VIT- pins.
Q: What is the typical reset time delay of the TPS3813L30DBVRG4? A: The typical reset time delay is 200ms.
Q: Does the TPS3813L30DBVRG4 have an open-drain or push-pull output? A: The TPS3813L30DBVRG4 has an open-drain output.
Q: What is the maximum supply current of the TPS3813L30DBVRG4? A: The maximum supply current is 5µA.
Q: Can the TPS3813L30DBVRG4 be used in battery-powered applications? A: Yes, the low supply current makes it suitable for battery-powered applications.
Q: Is the TPS3813L30DBVRG4 available in a small package? A: Yes, the TPS3813L30DBVRG4 is available in a SOT-23-5 package, which is compact and space-saving.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.