Overview
The TPS3430WDRCR, manufactured by Texas Instruments, is a standalone window watchdog timer designed for a wide variety of applications. This component features programmable watchdog window and reset delay, making it highly versatile. The TPS3430 achieves a high timing accuracy of ±2.5% at 25°C and is available in a compact 3-mm × 3-mm, 10-pin VSON package. It is particularly useful in systems where monitoring and resetting are critical, such as in industrial control systems, automotive electronics, and other embedded systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VSON (DRC), 10 pins |
| Operating Temperature Range (°C) | -40 to 125 |
| Junction Operating Temperature Range (°C) | -40 to 125 |
| Input Voltage Range (VDD) | 1.6 V to 6.5 V |
| Supply Current (IDD) | 10 µA (typical) |
| Watchdog Timeout Accuracy | ±2.5% (typical at 25°C) |
| Watchdog Reset Delay | Factory-programmed or user-programmable via external capacitor |
| Output Type | Open-drain |
Key Features
- Factory-programmed precision watchdog timers with ±2.5% accuracy (typical at 25°C)
- User-programmable watchdog timeout and reset delay
- Watchdog disable feature via SET pins to avoid undesired timeouts during development or power-on
- Input voltage range: VDD = 1.6 V to 6.5 V
- Low supply current: IDD = 10 µA (typical)
- Open-drain output
- Compact 3-mm × 3-mm, 10-pin VSON package
Applications
The TPS3430WDRCR is suitable for a variety of applications, including:
- Industrial control systems
- Automotive electronics
- Embedded systems requiring watchdog functionality
- Medical devices
- Aerospace and defense systems
Q & A
- What is the primary function of the TPS3430WDRCR?
The TPS3430WDRCR is a standalone window watchdog timer with programmable watchdog window and reset delay.
- What is the accuracy of the watchdog timeout and reset delay?
The watchdog timeout and reset delay have an accuracy of ±2.5% (typical at 25°C).
- How can the watchdog reset delay be set?
The watchdog reset delay can be set by factory-programmed default delay settings or programmed by an external capacitor.
- Can the watchdog be disabled?
- What is the input voltage range of the TPS3430WDRCR?
The input voltage range is from 1.6 V to 6.5 V.
- What is the typical supply current of the TPS3430WDRCR?
The typical supply current is 10 µA.
- What type of output does the TPS3430WDRCR have?
The output is open-drain.
- In what package is the TPS3430WDRCR available?
The TPS3430WDRCR is available in a 3-mm × 3-mm, 10-pin VSON package.
- What is the operating temperature range of the TPS3430WDRCR?
The operating temperature range is from -40°C to 125°C.
- What are some common applications of the TPS3430WDRCR?
Common applications include industrial control systems, automotive electronics, embedded systems, medical devices, and aerospace and defense systems.
