Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | TPS549A20EVM-737 | TPS549 Series |
|---|---|---|
| Board Type | Fully Populated | Fully Populated |
| Current - Output | 15 A | 9 - 40 A |
| Frequency - Switching | 1 MHz | 1 - 700 kHz |
| Frequency - Switching | - | Selectable, Adjustable |
| Function | - | Step-Down |
| Main Purpose | DC/DC, Step Down | DC/DC, Step Down |
| Mounting Type | - | Surface Mount |
| Number of Outputs | - | 1 |
| Operating Temperature | - | 125 ¯C |
| Operating Temperature | - | -40 °C |
| Output Configuration | - | Positive |
| Output Type | - | Adjustable |
| Outputs and Type | Non-Isolated | Non-Isolated |
| Outputs and Type | 1 | 1 |
| Package / Case | - | 40-PowerLFQFN, 28-VFQFN Exposed Pad |
| Supplied Contents | Board(s) | Board(s) |
| Supplier Device Package | - | 40-LQFN-CLIP (7x5), 28-VQFN-CLIP |
| Supplier Device Package | - | 4.5 |
| Supplier Device Package | - | 3.5 |
| Synchronous Rectifier | - | True |
| Topology | - | Buck |
| Utilized IC / Part | TPS549A20 | TPS549D22, TPS549A20, TPS549B22, TPS54972 |
| Voltage - Input (Max) | - | 18 - 22 V |
| Voltage - Input (Min) | - | 1.5 - 4.5 V |
| Voltage - Input [Max] | 18 V | 4 - 18 V |
| Voltage - Input [Min] | 5 V | 3 - 5 V |
| Voltage - Output | 1.2 V | 1 - 1.2 V |
| Voltage - Output | - | 1.75 V |
| Voltage - Output | - | 0.42 V |
| Voltage - Output (Max) | - | 5.5 V |
| Voltage - Output (Min/Fixed) | - | 0.6 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
TPS549 Series
1.5-V to 20-V, 15-A synchronous SWIFT™ buck converter with PMBus
| Part | Topology | Supplier Device Package | Function | Synchronous Rectifier | Voltage - Input (Min) [Min] | Frequency - Switching | Voltage - Output (Min/Fixed) | Voltage - Input (Max) [Max] | Voltage - Output (Max) [Max] | Current - Output | Package / Case | Operating Temperature [Max] | Operating Temperature [Min] | Output Type | Output Configuration | Number of Outputs | Mounting Type | Utilized IC / Part | Frequency - Switching | Voltage - Output | Voltage - Input [Min] | Voltage - Input [Max] | Main Purpose | Outputs and Type | Outputs and Type | Board Type | Supplied Contents | Supplier Device Package [x] | Supplier Device Package [y] | Voltage - Output [Max] | Voltage - Output [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS549D22RVFTThe TPS549D22 device is a compact single buck converter with adaptive on-time, D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense, TI integrated FETs with a high-side on-resistance of 2.9 mΩ and a low-side on-resistance of 1.2 mΩ. The device also features accurate 0.5%, 0.9-V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549D22 device is available in 7-mm × 5-mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).
The TPS549D22 device is a compact single buck converter with adaptive on-time, D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense, TI integrated FETs with a high-side on-resistance of 2.9 mΩ and a low-side on-resistance of 1.2 mΩ. The device also features accurate 0.5%, 0.9-V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549D22 device is available in 7-mm × 5-mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt). | Buck | 40-LQFN-CLIP (7x5) | Step-Down | 4.5 V | Selectable | 0.6 V | 22 V | 5.5 V | 40 A | 40-PowerLFQFN | 125 ¯C | -40 °C | Adjustable | Positive | 1 | Surface Mount | |||||||||||||||
Texas Instruments TPS549D22EVM-784TPS549D22 D-CAP3™ DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board | 40 A | TPS549D22 | 650 kHz | 1 V | 5 V | 16 V | DC/DC, Step Down | Non-Isolated | 1 | Fully Populated | Board(s) | ||||||||||||||||||||
Texas Instruments TPS549D22RVFRThe TPS549D22 device is a compact single buck converter with adaptive on-time, D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense, TI integrated FETs with a high-side on-resistance of 2.9 mΩ and a low-side on-resistance of 1.2 mΩ. The device also features accurate 0.5%, 0.9-V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549D22 device is available in 7-mm × 5-mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).
The TPS549D22 device is a compact single buck converter with adaptive on-time, D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense, TI integrated FETs with a high-side on-resistance of 2.9 mΩ and a low-side on-resistance of 1.2 mΩ. The device also features accurate 0.5%, 0.9-V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549D22 device is available in 7-mm × 5-mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt). | Buck | 40-LQFN-CLIP (7x5) | Step-Down | 4.5 V | Selectable | 0.6 V | 22 V | 5.5 V | 40 A | 40-PowerLFQFN | 125 ¯C | -40 °C | Adjustable | Positive | 1 | Surface Mount | |||||||||||||||
Texas Instruments TPS549B22RVFRThe TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).
The TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt). | Buck | 40-LQFN-CLIP (7x5) | Step-Down | 1.5 V | Adjustable | 0.6 V | 18 V | 5.5 V | 25 A | 40-PowerLFQFN | 125 ¯C | -40 °C | Adjustable | Positive | 1 | Surface Mount | |||||||||||||||
Texas Instruments TPS549A20RVETThe TPS549A20 is a small-sized, synchronous buck converter with anadaptive on-time D-CAP3 control mode. The device offers ease-of-use and low bill-of-material countfor space-conscious power systems.
This device features high-performance integrated MOSFETs, accurate 0.6-V reference, andan integrated boost switch. Competitive features include very-low external-component count, fastload-transient response, auto-skip mode operation, internal soft-start control, and no requirementfor compensation. The device also features fault report viaPMBus to simplify the power supply design
A forced continuous conduction mode helps meet tight voltage regulation accuracyrequirements for performance DSPs and FPGAs. The TPS549A20 is available in a28-pin VQFN-CLIP package and is specified from –40°C to 125°C ambient temperature.
The TPS549A20 is a small-sized, synchronous buck converter with anadaptive on-time D-CAP3 control mode. The device offers ease-of-use and low bill-of-material countfor space-conscious power systems.
This device features high-performance integrated MOSFETs, accurate 0.6-V reference, andan integrated boost switch. Competitive features include very-low external-component count, fastload-transient response, auto-skip mode operation, internal soft-start control, and no requirementfor compensation. The device also features fault report viaPMBus to simplify the power supply design
A forced continuous conduction mode helps meet tight voltage regulation accuracyrequirements for performance DSPs and FPGAs. The TPS549A20 is available in a28-pin VQFN-CLIP package and is specified from –40°C to 125°C ambient temperature. | Buck | 28-VQFN-CLIP | Step-Down | 1.5 V | Selectable | 0.6 V | 20 V | 5.5 V | 15 A | 28-VFQFN Exposed Pad | 125 °C | -40 °C | Adjustable | Positive | 1 | Surface Mount | 4.5 | 3.5 | |||||||||||||
Texas Instruments TPS549A20EVM-737TPS549A20 D-CAP3™, SWIFT™ DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board | 15 A | TPS549A20 | 1 MHz | 1.2 V | 5 V | 18 V | DC/DC, Step Down | Non-Isolated | 1 | Fully Populated | Board(s) | ||||||||||||||||||||
Texas Instruments TPS549A20RVERThe TPS549A20 is a small-sized, synchronous buck converter with anadaptive on-time D-CAP3 control mode. The device offers ease-of-use and low bill-of-material countfor space-conscious power systems.
This device features high-performance integrated MOSFETs, accurate 0.6-V reference, andan integrated boost switch. Competitive features include very-low external-component count, fastload-transient response, auto-skip mode operation, internal soft-start control, and no requirementfor compensation. The device also features fault report viaPMBus to simplify the power supply design
A forced continuous conduction mode helps meet tight voltage regulation accuracyrequirements for performance DSPs and FPGAs. The TPS549A20 is available in a28-pin VQFN-CLIP package and is specified from –40°C to 125°C ambient temperature.
The TPS549A20 is a small-sized, synchronous buck converter with anadaptive on-time D-CAP3 control mode. The device offers ease-of-use and low bill-of-material countfor space-conscious power systems.
This device features high-performance integrated MOSFETs, accurate 0.6-V reference, andan integrated boost switch. Competitive features include very-low external-component count, fastload-transient response, auto-skip mode operation, internal soft-start control, and no requirementfor compensation. The device also features fault report viaPMBus to simplify the power supply design
A forced continuous conduction mode helps meet tight voltage regulation accuracyrequirements for performance DSPs and FPGAs. The TPS549A20 is available in a28-pin VQFN-CLIP package and is specified from –40°C to 125°C ambient temperature. | Buck | 28-VQFN-CLIP | Step-Down | 1.5 V | Selectable | 0.6 V | 20 V | 5.5 V | 15 A | 28-VFQFN Exposed Pad | 125 °C | -40 °C | Adjustable | Positive | 1 | Surface Mount | 4.5 | 3.5 | |||||||||||||
Texas Instruments TPS549B22RVFTThe TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).
The TPS549B22 device is a compact single buck converter with adaptive on-time, D-CAP3 control mode. The device is designed for high accuracy, high efficiency, fast transient response, ease-of-use, low external component count and space-conscious power systems.
This device features full differential sense and TI integrated FETs with a high-side on-resistance of 4.1mΩ and a low-side on-resistance of 1.9mΩ. The device also features an accurate 0.5%, 0.9V reference with an ambient temperature range between –40°C and +125°C. Competitive features include: very low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.
The TPS549B22 device is available in 7mm × 5mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt). | Buck | 40-LQFN-CLIP (7x5) | Step-Down | 1.5 V | Adjustable | 0.6 V | 18 V | 5.5 V | 25 A | 40-PowerLFQFN | 125 ¯C | -40 °C | Adjustable | Positive | 1 | Surface Mount | |||||||||||||||
Texas Instruments TPS549B22EVM-847TPS549B22 D-CAP3™ DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board | 25 A | TPS549B22 | 650 kHz | 1 V | 5 V | 14 V | DC/DC, Step Down | Non-Isolated | 1 | Fully Populated | Board(s) | ||||||||||||||||||||
Texas Instruments TPS54972EVM-222TPS54972 SWIFT™ DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board | 9 A | TPS54972 | 700 kHz | 3 V | 4 V | DC/DC, Step Down | Non-Isolated | 1 | Fully Populated | Board(s) | 1.75 V | 0.42 V |
Description
General part information
TPS549 Series
The TPS549A20 is a small-sized, synchronous buck converter with anadaptive on-time D-CAP3 control mode. The device offers ease-of-use and low bill-of-material countfor space-conscious power systems.
This device features high-performance integrated MOSFETs, accurate 0.6-V reference, andan integrated boost switch. Competitive features include very-low external-component count, fastload-transient response, auto-skip mode operation, internal soft-start control, and no requirementfor compensation. The device also features fault report viaPMBus to simplify the power supply design
A forced continuous conduction mode helps meet tight voltage regulation accuracyrequirements for performance DSPs and FPGAs. The TPS549A20 is available in a28-pin VQFN-CLIP package and is specified from –40°C to 125°C ambient temperature.