Overview
The TPS54240DGQ is a high-efficiency synchronous buck converter produced by Texas Instruments, designed for industrial, communication, and consumer electronic applications. This component integrates a high-side MOSFET and a constant-frequency current-mode controller, offering a robust solution for power management with an output current capability of up to 2.5A. Its wide input voltage range (3.5V to 42V) and adjustable output voltage (0.8V to 39V) make it versatile for various applications. The TPS54240DGQ is packaged in a 10-pin HVSSOP with PowerPAD™, ensuring efficient thermal performance and compact design.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.5 - 42 | V | |
| Output Voltage Range | 0.8 - 39 | V | Adjustable |
| Output Current | 2.5 | A | Max |
| Switching Frequency | 100k - 2.5M | Hz | Adjustable |
| Operating Temperature | -40 - +125 | °C | |
| Package | 10-pin HVSSOP | With PowerPAD™ | |
| Quiescent Current | 138 | µA | |
| Shutdown Current | 1.3 | µA | |
| Topology | Buck | ||
| Sync Rectifier | No |
Key Features
- Integrated high-side MOSFET for compact design and high efficiency.
- Wide input voltage range from 3.5V to 42V, suitable for diverse applications.
- Adjustable output voltage from 0.8V to 39V, providing flexibility in design.
- High efficiency at light loads with pulse-skipping Eco-Mode™.
- Low quiescent current of 138µA, enhancing energy efficiency.
- Thermal shutdown and frequency foldback for overload protection.
Applications
The TPS54240DGQ is widely used in industrial automation, communication base stations, wireless routers, industrial robots, servers, and network storage devices. Its high efficiency and compact design also make it suitable for power adapters, industrial control systems, LED lighting, and automotive electronics. The component's ability to handle a wide range of input voltages and provide stable output makes it ideal for applications requiring reliable power management solutions.
Q & A
What is the input voltage range of the TPS54240DGQ?
The input voltage range is from 3.5V to 42V.
What is the maximum output current of the TPS54240DGQ?
The maximum output current is 2.5A.
Can the output voltage be adjusted?
Yes, the output voltage is adjustable from 0.8V to 39V.
What is the operating temperature range of the TPS54240DGQ?
The operating temperature range is from -40°C to +125°C.
What package does the TPS54240DGQ come in?
It comes in a 10-pin HVSSOP package with PowerPAD™.
Does the TPS54240DGQ have thermal shutdown protection?
Yes, it includes thermal shutdown and frequency foldback for overload protection.
What is the quiescent current of the TPS54240DGQ?
The quiescent current is 138µA.
Is the TPS54240DGQ suitable for automotive applications?
Yes, its wide input voltage range and robust design make it suitable for automotive electronics.
What is the switching frequency range of the TPS54240DGQ?
The switching frequency ranges from 100kHz to 2.5MHz.
Does the TPS54240DGQ support synchronization with an external clock?
Yes, it can be synchronized with an external clock.
