TPS53819A Series

3-V to 28-V, 40-A, synchronous D-CAP2 buck controller with PMBus

Catalog

3-V to 28-V, 40-A, synchronous D-CAP2 buck controller with PMBus

Part	Voltage - Input [Max]	Voltage - Input [Min]	Frequency - Switching	Utilized IC / Part	Voltage - Output	Contents	Current - Output	Main Purpose	Outputs and Type	Regulator Topology	Board Type	Outputs and Type	Supplied Contents	Number of Outputs	Clock Sync	Supplier Device Package	Function	Operating Temperature [Max]	Operating Temperature [Min]	Output Configuration	Mounting Type	Frequency - Switching	Output Phases	Topology	Output Type	Serial Interfaces	Synchronous Rectifier	Package / Case	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Control Features	Duty Cycle (Max) [Max]
Texas Instruments TPS53819AEVM-123	14 V	8 V	425 kHz	TPS53819A	1.2 V	Board(s)	25 A	DC/DC Step Down	1 Non-Isolated Output Non-Isolated	Buck	Fully Populated	1	Board(s)
Texas Instruments TPS53819ARGTR														1		16-VQFN (3x3)	Step-Down	85 °C	-40 °C	Positive	Surface Mount	Selectable	1	Buck	Transistor Driver	PMBus		16-VFQFN Exposed Pad	28 V	3 V	Enable Power Good	90 %

Catalog

3-V to 28-V, 40-A, synchronous D-CAP2 buck controller with PMBus

Key Features

• Conversion Input Voltage 3 V to 28 VVDD input voltage 4.5 V to 28 VOutput voltage 0.6 V to 5.5 VSupports all ceramic output capacitorsReference voltage: 600 mV ±0.5% tolerance±9% Voltage adjustment with PMBus™Built-in 5-V LDOD-CAP2™ mode with 100-ns load-step responseAuto-skip Eco-mode™ for light-load efficiencyAdaptive on-time control architecture with eight selectable frequencies using PMBusSupports voltage margining using PMBusProgrammable soft-start time using PMBusProgrammable power-on delay using PMBusProgrammable VDD UVLO level using PMBusFault report using PMBusPre-charged start-up capabilityBuilt-In output dischargePower-good output with programmable delayInternal overvoltage, undervoltage, and overcurrent limit protectionsThermal shutdown (non-latch)3 mm × 3 mm, 16-pin, QFN packageCreate a custom design using the TPS53819A with theWEBENCH®Power DesignerConversion Input Voltage 3 V to 28 VVDD input voltage 4.5 V to 28 VOutput voltage 0.6 V to 5.5 VSupports all ceramic output capacitorsReference voltage: 600 mV ±0.5% tolerance±9% Voltage adjustment with PMBus™Built-in 5-V LDOD-CAP2™ mode with 100-ns load-step responseAuto-skip Eco-mode™ for light-load efficiencyAdaptive on-time control architecture with eight selectable frequencies using PMBusSupports voltage margining using PMBusProgrammable soft-start time using PMBusProgrammable power-on delay using PMBusProgrammable VDD UVLO level using PMBusFault report using PMBusPre-charged start-up capabilityBuilt-In output dischargePower-good output with programmable delayInternal overvoltage, undervoltage, and overcurrent limit protectionsThermal shutdown (non-latch)3 mm × 3 mm, 16-pin, QFN packageCreate a custom design using the TPS53819A with theWEBENCH®Power Designer

Description

The TPS53819A device is a small-sized, single buck controller with adaptive on-time D-CAP2 mode control and PMBus. The device is suitable for low output voltage and high current, system power rail, or similar point-of-load (POL) power supply in digital consumer products. Small package with minimal pin-count saves space on the PCB, while the programmability and fault report via PMBus simplify the power supply design. The skip-mode at light-load condition combined with strong gate drivers and low-side FET on-resistance (RDS(on)) current sensing can support low-loss and high efficiency operation, over a broad load range. The conversion input voltage, which is the high-side FET drain voltage, ranges from 3 V to 28 V. The supply voltage (VDD) is from 4.5 V to 28 V. The output voltage ranges from 0.6 V to 5.5 V. The device is available in a 16-pin, QFN package and is specified from –40°C to +85°C. The TPS53819A device is a small-sized, single buck controller with adaptive on-time D-CAP2 mode control and PMBus. The device is suitable for low output voltage and high current, system power rail, or similar point-of-load (POL) power supply in digital consumer products. Small package with minimal pin-count saves space on the PCB, while the programmability and fault report via PMBus simplify the power supply design. The skip-mode at light-load condition combined with strong gate drivers and low-side FET on-resistance (RDS(on)) current sensing can support low-loss and high efficiency operation, over a broad load range. The conversion input voltage, which is the high-side FET drain voltage, ranges from 3 V to 28 V. The supply voltage (VDD) is from 4.5 V to 28 V. The output voltage ranges from 0.6 V to 5.5 V. The device is available in a 16-pin, QFN package and is specified from –40°C to +85°C.