Overview
The UCC2946DTRG4, manufactured by Texas Instruments, is a microprocessor supervisor IC with an integrated watchdog timer. This component is designed to monitor the voltage of microprocessors and ensure reliable system operation by providing reset signals in case of voltage irregularities. Marketed towards embedded systems and industrial applications, the UCC2946DTRG4 stands out for its precision, low power consumption, and robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.1 - 5.5 | V | |
| Supply Current | 10 | µA | |
| Threshold Voltage | Adjustable | V | |
| Output Type | Active Low, Push-Pull | ||
| Reset Timeout | 140 | ms | Minimum |
| Operating Temperature | -40 to +85 | °C | |
| Package | 8-SOIC |
Key Features
- Integrated watchdog timer for enhanced system reliability
- Adjustable threshold voltage for flexible application
- Low power consumption, ideal for battery-powered devices
- Push-pull output for robust signal integrity
- Wide operating temperature range for industrial applications
Applications
The UCC2946DTRG4 is widely used in embedded systems, industrial automation, and consumer electronics. Its primary function is to monitor the voltage of microprocessors, ensuring stable operation by initiating a reset in case of voltage drops or spikes. This makes it particularly valuable in systems where reliability is critical, such as automotive electronics, medical devices, and telecommunications equipment.
Q & A
What is the purpose of the watchdog timer in UCC2946DTRG4?
The watchdog timer ensures system reliability by resetting the microprocessor if it becomes unresponsive or fails to execute its program correctly.
Can the threshold voltage be adjusted?
Yes, the threshold voltage is adjustable, allowing flexibility in various application scenarios.
What is the operating temperature range?
The UCC2946DTRG4 operates within a temperature range of -40°C to +85°C.
Is this IC suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
What type of output does it provide?
It provides an active low, push-pull output.
What is the minimum reset timeout?
The minimum reset timeout is 140 ms.
What package does the UCC2946DTRG4 come in?
It is available in an 8-SOIC package.
Can it be used in automotive applications?
Yes, its robust performance and wide temperature range make it suitable for automotive electronics.
What is the supply voltage range?
The supply voltage ranges from 2.1 V to 5.5 V.
Does it support manual reset?
No, the UCC2946DTRG4 does not support manual reset functionality.
