Overview
The TPS3820-50QPDBVRQ1, manufactured by Texas Instruments, is a voltage monitor with a watchdog timer designed for automotive applications. This component is housed in a SOT-23 package and is tailored to provide reliable circuit initialization and timing supervision in DSP and processor-based systems. Its market positioning targets automotive electronics, industrial equipment, and portable devices, offering robust performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Package | SOT-23 | - | 5-pin |
| Threshold Voltage | 4.55 | V | - |
| Reset Timeout | 15 | ms | Minimum |
| Operating Temperature | -40 to 85 | °C | - |
| Supply Voltage | Up to 5.5 | V | - |
| Output Type | Push-Pull | - | - |
| Watchdog Timer | Yes | - | - |
Key Features
- Integrated watchdog timer for enhanced system reliability.
- Low-power consumption with a typical supply current of 15µA.
- Manual reset input for system control.
- Robust performance in automotive environments with a wide operating temperature range.
Applications
The TPS3820-50QPDBVRQ1 is widely used in automotive systems, industrial automation, and portable devices. Its ability to monitor voltage and provide reset signals ensures stable operation in critical applications such as engine control units, power management systems, and battery-powered devices.
Q & A
What is the purpose of the watchdog timer in TPS3820-50QPDBVRQ1?
The watchdog timer ensures system reliability by resetting the microcontroller if it fails to operate correctly within a set time frame.
What is the threshold voltage of TPS3820-50QPDBVRQ1?
The threshold voltage is 4.55V.
What is the operating temperature range of this component?
It operates from -40°C to 85°C.
Does TPS3820-50QPDBVRQ1 support manual reset?
Yes, it includes a manual reset input for system control.
What is the typical supply current of TPS3820-50QPDBVRQ1?
The typical supply current is 15µA.
What type of package does TPS3820-50QPDBVRQ1 use?
It uses a 5-pin SOT-23 package.
Can TPS3820-50QPDBVRQ1 be used in automotive applications?
Yes, it is designed for automotive applications, including engine control units and power management systems.
What is the reset timeout period of TPS3820-50QPDBVRQ1?
The reset timeout period is a minimum of 15ms.
Is TPS3820-50QPDBVRQ1 suitable for battery-powered devices?
Yes, its low-power consumption makes it ideal for battery-powered devices.
What is the maximum supply voltage for TPS3820-50QPDBVRQ1?
The maximum supply voltage is 5.5V.
