Overview
The TPS54620RGYT from Texas Instruments is a highly integrated, synchronous step-down converter designed for high-efficiency power management in compact designs. This device is housed in a thermally enhanced 3.50 mm x 3.50 mm QFN package, making it ideal for space-constrained applications. It operates with an input voltage range of 4.5V to 17V and can deliver up to 6A of output current, with an adjustable output voltage ranging from 0.8V to 15V. The TPS54620RGYT features integrated high-side and low-side MOSFETs, which enhances efficiency and reduces the overall component count and footprint of the power supply design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Min | 4.5 | V |
| Input Voltage Max | 17 | V |
| No. of Outputs | 1 | |
| Output Current | 6 | A |
| Output Voltage Min | 0.8 | V |
| Output Voltage Max | 15 | V |
| Switching Frequency | 1.6 MHz | |
| Operating Temperature Min | -40 | °C |
| Operating Temperature Max | 150 | °C |
| Package Type | QFN | |
| No. of Pins | 14 | |
| Voltage Regulator Type | Synchronous Buck |
Key Features
- Integrated 26 mΩ and 19 mΩ MOSFETs for high efficiency and reduced component count.
- Adjustable output voltage from 0.8V to 15V with a 1% voltage reference accuracy.
- Switching frequency range of 200 kHz to 1.6 MHz, and the ability to synchronize to an external clock.
- Low 2-µA shutdown quiescent current and monotonic start-up into prebiased outputs.
- Adjustable slow start and power sequencing capabilities.
- Power good output monitor for undervoltage and overvoltage protection.
- Thermal shutdown and cycle-by-cycle current limiting for overload protection).
Applications
- High-density distributed power systems.
- High-performance point of load regulation).
- Broadband, networking, and optical communications infrastructure).
- Telecom applications, including reference designs for various voltage and current requirements).
Q & A
- What is the input voltage range of the TPS54620RGYT?
The input voltage range is from 4.5V to 17V.
- What is the maximum output current of the TPS54620RGYT?
The maximum output current is 6A.
- What is the switching frequency range of the TPS54620RGYT?
The switching frequency range is from 200 kHz to 1.6 MHz.
- Does the TPS54620RGYT support power sequencing?
- What is the operating temperature range of the TPS54620RGYT?
The operating temperature range is from -40°C to 150°C.
- Is the TPS54620RGYT RoHS compliant?
The part has not been flagged as RoHS Compliant, but it is RoHS Phthalates Compliant.
- How can I adjust the output voltage of the TPS54620RGYT?
The output voltage can be adjusted using a resistor divider from the output (VOUT) to the VSENSE pin.
- What are the integrated MOSFET values in the TPS54620RGYT?
The device integrates 26 mΩ and 19 mΩ MOSFETs.
- Can the TPS54620RGYT synchronize to an external clock?
- What is the shutdown quiescent current of the TPS54620RGYT?
The shutdown quiescent current is 2 µA.
