Overview
The TPS62152RGTR from Texas Instruments is a high-efficiency, synchronous step-down converter designed for a wide range of applications. This device is part of the TPS6215x family, which utilizes the advanced DCS-Control™ topology. This topology combines the benefits of hysteretic, voltage-mode, and current-mode control, ensuring fast and stable operation with minimal external components. The TPS62152RGTR is available in a compact 3-mm × 3-mm VQFN-16 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3 V to 17 V | V |
| Output Current | Up to 1 A | A |
| Output Voltage Range | 0.9 V to 6 V (adjustable), Fixed 3.3 V for TPS62152 | V |
| Switching Frequency | Approximately 2.5 MHz or 1.25 MHz (selectable) | Hz |
| Quiescent Current | 17 µA (typ.) | A |
| Package Type | 3-mm × 3-mm VQFN-16 | - |
| Operating Junction Temperature | -40°C to 150°C | °C |
| Power Good Output | Open-drain, requires pullup resistor | - |
| Short-Circuit Protection | Yes | - |
| Overtemperature Protection | Yes | - |
Key Features
- DCS-Control™ topology for efficient and stable operation
- Pin-selectable output voltage (nominal or +5% above nominal)
- Programmable soft start and tracking
- Seamless power-save mode transition
- 100% duty-cycle mode for low input-to-output voltage differences
- Short-circuit protection and overtemperature protection
- Power-good output for monitoring output voltage status
- Compact 3-mm × 3-mm VQFN-16 package
Applications
- Standard 12-V rail supplies
- POL (Point of Load) supply from single or multiple Li-ion batteries
- Solid-state drives
- Embedded systems
- LDO (Linear Dropout) replacement
- Mobile PCs, tablets, modems, cameras
- Servers and microservers
- Data terminals and point of sales (ePOS) systems
Q & A
- What is the input voltage range of the TPS62152RGTR?
The input voltage range is from 3 V to 17 V.
- What is the maximum output current of the TPS62152RGTR?
The maximum output current is up to 1 A.
- What are the available output voltage options for the TPS62152RGTR?
The output voltage can be adjusted from 0.9 V to 6 V, or it can be fixed at 3.3 V for the TPS62152 model.
- What are the switching frequency options for the TPS62152RGTR?
The switching frequency can be selected between approximately 2.5 MHz and 1.25 MHz.
- Does the TPS62152RGTR have built-in protection features?
Yes, it includes short-circuit protection and overtemperature protection.
- What is the quiescent current of the TPS62152RGTR?
The quiescent current is typically 17 µA.
- What package type is the TPS62152RGTR available in?
The device is available in a 3-mm × 3-mm VQFN-16 package.
- Does the TPS62152RGTR have a power-good output feature?
Yes, it has an open-drain power-good output that requires a pullup resistor.
- What are some common applications for the TPS62152RGTR?
Common applications include standard 12-V rail supplies, POL supplies, solid-state drives, embedded systems, and mobile PCs among others.
- How does the soft-start feature work on the TPS62152RGTR?
The soft-start feature controls the output voltage slope during start-up using an external capacitor connected to the SS/TR pin, preventing excessive inrush current and ensuring a controlled output-voltage rise time.
