Overview
The TPS54620RGYR, produced by Texas Instruments, is a highly integrated 4.5-V to 17-V, 6-A synchronous SWIFT™ buck converter. This device is optimized for small design footprints and high efficiency, making it ideal for various power management applications. The TPS54620 is housed in a thermally enhanced 3.50 mm × 3.50 mm QFN package and features integrated high-side and low-side MOSFETs, which reduce component count and enhance overall system efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 17 | V |
| Output Current | 6 | A |
| Switching Frequency | 200 kHz to 1.6 MHz | |
| Voltage Reference | 0.8 V ±1% Overtemperature | |
| Shutdown Quiescent Current | 2 µA | |
| Operating Junction Temperature Range | –40°C to 150°C | |
| Package Type | VQFN (RGY) with 14 pins | |
| Package Size | 3.50 mm × 3.50 mm |
Key Features
- Integrated 26 mΩ and 19 mΩ MOSFETs
- Split Power Rail: 1.6 V to 17 V on PVIN
- Synchronizes to External Clock
- Monotonic Start-Up into Prebiased Outputs
- Adjustable Slow Start and Power Sequencing
- Power Good Output Monitor for Undervoltage and Overvoltage
- Adjustable Input Undervoltage Lockout
- Cycle-by-cycle current limiting on the high-side FET and low-side sourcing/sinking current limits
- Thermal shutdown for overtemperature protection
Applications
- High Density Distributed Power Systems
- High Performance Point of Load Regulation
- Broadband, Networking and Optical Communications Infrastructure
Q & A
- What is the input voltage range of the TPS54620RGYR?
The input voltage range is from 4.5 V to 17 V.
- What is the maximum output current of the TPS54620RGYR?
The maximum output current is 6 A.
- What is the switching frequency range of the TPS54620RGYR?
The switching frequency range is from 200 kHz to 1.6 MHz.
- Does the TPS54620RGYR support synchronization with an external clock?
- What is the shutdown quiescent current of the TPS54620RGYR?
The shutdown quiescent current is 2 µA.
- What is the operating junction temperature range of the TPS54620RGYR?
The operating junction temperature range is from –40°C to 150°C.
- How does the TPS54620RGYR manage power sequencing?
Power sequencing is possible by correctly configuring the enable and the open-drain power good pins.
- What protection features does the TPS54620RGYR have?
The device features cycle-by-cycle current limiting, low-side sourcing and sinking current limits, and thermal shutdown for overtemperature protection.
- Can the TPS54620RGYR be used in high-density distributed power systems?
- How can I design a custom power supply using the TPS54620RGYR?
You can create a custom design using the TPS54620 with the WEBENCH Power Designer.
