Overview
The TPS2042DRG4 is a power distribution switch manufactured by Texas Instruments. It is designed to provide precise control over power distribution in electronic systems, ensuring safe and efficient operation. This component is part of the TPS204x series, which is widely used in applications requiring controlled power switching. The TPS2042DRG4 is particularly suited for systems where power management and protection are critical, such as USB ports, portable devices, and embedded systems. Its compact SOIC-8 package and robust features make it a competitive choice for engineers seeking reliable power distribution solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V | |
| Continuous Output Current | 0.5 | A | |
| On-Resistance (RDS(ON)) | 0.095 | Ω | Typical at 5V |
| Quiescent Current | 0.15 | mA | |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | SOIC-8 | ||
| Overcurrent Protection | Yes | Adjustable | |
| Thermal Shutdown | Yes | ||
| Reverse Current Blocking | Yes | ||
| Status Flag Output | Yes | Open-drain |
Key Features
- Precise Power Control: Enables safe and efficient power distribution in electronic systems.
- Overcurrent Protection: Adjustable current limit ensures protection against short circuits and overloads.
- Thermal Shutdown: Prevents damage due to excessive heat.
- Reverse Current Blocking: Protects the system from reverse polarity connections.
- Status Flag Output: Provides real-time feedback on the switch's operational status.
Applications
The TPS2042DRG4 is widely used in various applications, including:
- USB Ports: Provides controlled power switching for USB devices, ensuring safe operation.
- Portable Devices: Ideal for managing power in smartphones, tablets, and other portable electronics.
- Embedded Systems: Ensures reliable power distribution in industrial and consumer embedded systems.
- Automotive Electronics: Suitable for power management in automotive applications, where reliability is critical.
Q & A
1. What is the input voltage range of the TPS2042DRG4?
The input voltage range is 2.7V to 5.5V.
2. What is the maximum continuous output current?
The maximum continuous output current is 0.5A.
3. Does the TPS2042DRG4 support overcurrent protection?
Yes, it features adjustable overcurrent protection.
4. What is the typical on-resistance (RDS(ON)) of the switch?
The typical on-resistance is 0.095Ω at 5V.
5. Is thermal shutdown included in this component?
Yes, the TPS2042DRG4 includes thermal shutdown protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. Does the TPS2042DRG4 support reverse current blocking?
Yes, it includes reverse current blocking to protect the system.
8. What package does the TPS2042DRG4 come in?
It is available in an SOIC-8 package.
9. Is there a status flag output?
Yes, it features an open-drain status flag output.
10. What is the quiescent current of the TPS2042DRG4?
The quiescent current is 0.15mA.
