TPS54550 Series
4.5-V to 20-V, 6-A synchronous buck converter with low-side gate driver
Manufacturer: Texas Instruments
Catalog(3 parts)
| Part | Voltage - Output▲▼ | Current - Output▲▼ | Outputs and Type | Outputs and Type▲▼ | Frequency - Switching▲▼ | Supplied Contents | Voltage - Input▲▼ | Voltage - Input▲▼ | Main Purpose | Utilized IC / Part | Board Type | Voltage - Output (Max)▲▼ | Synchronous Rectifier▲▼ | Voltage - Output (Min/Fixed)▲▼ | Output Type | Supplier Device Package | Voltage - Input (Min)▲▼ | Output Configuration | Package / Case▲▼ | Package / Case | Package / Case▲▼ | Voltage - Input (Max)▲▼ | Operating Temperature▲▼ | Operating Temperature▲▼ | Function | Topology | Number of Outputs▲▼ | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS54550EVM-158TPS54550 SWIFT™ DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board | 3.299999952316284 V | 5 A | Non-Isolated | 1 ul | 700000 Hz | Board(s) | 6 V | 17 V | DC/DC, Step Down | TPS54550 | Fully Populated | |||||||||||||||||
Texas Instruments TPS54550PWPG4Buck Switching Regulator IC Positive Adjustable 0.891V 1 Output 6A 16-PowerTSSOP (0.173", 4.40mm Width) | 6 A | 17.200000762939453 V | 0.890999972820282 V | Adjustable | 16-HTSSOP | 4.5 V | Positive | 0.004399999976158142 m | 16-PowerTSSOP | 0.004394200164824724 m | 20 V | 125 °C | -40 °C | Step-Down | Buck | 1 ul | Surface Mount | |||||||||||
Texas Instruments TPS54550PWPBuck Switching Regulator IC Positive Adjustable 0.891V 1 Output 6A 16-PowerTSSOP (0.173", 4.40mm Width) | 6 A | 17.200000762939453 V | 0.890999972820282 V | Adjustable | 16-HTSSOP | 4.5 V | Positive | 0.004399999976158142 m | 16-PowerTSSOP | 0.004394200164824724 m | 20 V | 125 °C | -40 °C | Step-Down | Buck | 1 ul | Surface Mount |
Key Features
• 40 mMOSFET Switch for High Efficiency at 6-A (7.5 Peak) Output CurrentUses External Lowside MOSFETOutput Voltage Adjustable Down to 0.891 V With 1% AccuracySynchronizes to External Clock180° Out of Phase SynchronizationWide PWM Frequency— Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHzAdjustable Slow StartAdjustable Undervoltage LockoutLoad Protected by Peak Current Limit and Thermal Shutdown16-Pin TSSOP PowerPAD™ PackageSWIFT Documentation Application Notes, and Design Software:www.ti.com/swiftAPPLICATIONSIndustrial and Commercial Low Power SystemsLCD Monitors and TVsComputer PeripheralsPoint of Load Regulation for High Performance DSPs, FPGAs, ASICs and MicroprocessorsSWIFT, PowerPAD are trademarks of Texas Instruments.40 mMOSFET Switch for High Efficiency at 6-A (7.5 Peak) Output CurrentUses External Lowside MOSFETOutput Voltage Adjustable Down to 0.891 V With 1% AccuracySynchronizes to External Clock180° Out of Phase SynchronizationWide PWM Frequency— Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHzAdjustable Slow StartAdjustable Undervoltage LockoutLoad Protected by Peak Current Limit and Thermal Shutdown16-Pin TSSOP PowerPAD™ PackageSWIFT Documentation Application Notes, and Design Software:www.ti.com/swiftAPPLICATIONSIndustrial and Commercial Low Power SystemsLCD Monitors and TVsComputer PeripheralsPoint of Load Regulation for High Performance DSPs, FPGAs, ASICs and MicroprocessorsSWIFT, PowerPAD are trademarks of Texas Instruments.
Description
AI
The TPS54550 is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54550 has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 4.5 V; a slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.
The TPS54550 device is available in a thermally enhanced 16-pin TSSOP (PWP) PowerPAD™ package. TI provides evaluation modules and the SWIFT™ Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
The TPS54550 is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54550 has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 4.5 V; a slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.
The TPS54550 device is available in a thermally enhanced 16-pin TSSOP (PWP) PowerPAD™ package. TI provides evaluation modules and the SWIFT™ Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.