TPS542A50 Series

4-V to 18-V input, voltage mode, 15-A synchronous SWIFT™ step-down converter with I2C interface

Catalog

4-V to 18-V input, voltage mode, 15-A synchronous SWIFT™ step-down converter with I2C interface

Part	Topology	Voltage - Output (Min/Fixed) [Min]	Voltage - Input (Min) [Min]	Frequency - Switching [Max]	Frequency - Switching [Min]	Mounting Type	Voltage - Input (Max) [Max]	Voltage - Output (Max) [Max]	Output Configuration	Supplier Device Package [y]	Supplier Device Package	Supplier Device Package [x]	Number of Outputs	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Current - Output	Function	Synchronous Rectifier
Texas Instruments TPS542A50RJMR	Buck	0.5 V	4 V	2.2 MHz	400 kHz	Surface Mount	18 V	5.5 V	Positive	4	33-VQFN-HR	4.5	1	Adjustable	150 °C	-40 °C	33-PowerVFQFN	15 A	Step-Down

Catalog

4-V to 18-V input, voltage mode, 15-A synchronous SWIFT™ step-down converter with I2C interface

Key Features

• Integrated 9.1-mΩ and 2.6-mΩ MOSFETs support up to 15-A output current0.5-V to 5.5-V output voltage rangeFixed-frequency voltage control mode with selectable internal compensationSeven selectable frequency settings from 400 kHz to 2.2 MHzSynchronizes to an external clockFully differential remote senseDevice configurable by analog pinstrap resistors or through I2C interfaceVOUTadjustment with controlled slew rate through I2C from –20% to +10% in 0.028% stepsSix selectable overcurrent limits, four soft-start slew rates, and two I2C addressesMonotonic start-up into pre-biased outputsEN pin allowing for adjustable input UVLOPower good indicator17-µA typical shutdown quiescent current drawSelectable FCCM or PFM for light load efficiency–40 to +150°C operating junction temperature4-mm × 4.5-mm VQFN packageCreate a custom design using the TPS542A50 with theWEBENCH Power DesignerIntegrated 9.1-mΩ and 2.6-mΩ MOSFETs support up to 15-A output current0.5-V to 5.5-V output voltage rangeFixed-frequency voltage control mode with selectable internal compensationSeven selectable frequency settings from 400 kHz to 2.2 MHzSynchronizes to an external clockFully differential remote senseDevice configurable by analog pinstrap resistors or through I2C interfaceVOUTadjustment with controlled slew rate through I2C from –20% to +10% in 0.028% stepsSix selectable overcurrent limits, four soft-start slew rates, and two I2C addressesMonotonic start-up into pre-biased outputsEN pin allowing for adjustable input UVLOPower good indicator17-µA typical shutdown quiescent current drawSelectable FCCM or PFM for light load efficiency–40 to +150°C operating junction temperature4-mm × 4.5-mm VQFN packageCreate a custom design using the TPS542A50 with theWEBENCH Power Designer

Description

The TPS542A50 is a high-efficiency synchronous buck converter with differential remote sense and I2C. This device features fixed-frequency, voltage-control mode with pinstrap selectable internal compensation for reduced system cost and complexity. The PWM can be synchronized to an external clock through the SYNC pin. Other key features include PFM for high light load efficiency, low shutdown quiescent current draw, adjustable UVLO through the EN pin and monotonic start up into pre-biased conditions. This device also features an I2C interface for device configuration and output voltage adjustment. The TPS542A50 is a lead-free device. It is fully RoHS compliant without exemption. The TPS542A50 is a high-efficiency synchronous buck converter with differential remote sense and I2C. This device features fixed-frequency, voltage-control mode with pinstrap selectable internal compensation for reduced system cost and complexity. The PWM can be synchronized to an external clock through the SYNC pin. Other key features include PFM for high light load efficiency, low shutdown quiescent current draw, adjustable UVLO through the EN pin and monotonic start up into pre-biased conditions. This device also features an I2C interface for device configuration and output voltage adjustment. The TPS542A50 is a lead-free device. It is fully RoHS compliant without exemption.