Texas Instruments

TPS548D22 SWIFT™ Synchronous Step-Down Converter

Texas Instruments offers its TPS548D22, 40 A, SWIFT synchronous step-down converter with full differential sense

Image of Texas Instruments' TPS548D22 SWIFT™ Synchronous Step-Down ConverterTexas Instruments' TPS548D22 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. It offers competitive features such as very-low external component count, accurate load regulation and line regulation, auto-skip or FCCM mode operation, and internal soft-start control.

The TPS548D22 device is available in a 5 mm x 7 mm, 40-pin, LQFN-CLIP (RVF) package (RoHs-exempt).

Features
  • Conversion input voltage range (PVIN): 1.5 V to 16 V
  • Input bias voltage (VDD) range: 4.5 V to 22 V
  • Output voltage range: 0.6 V to 5.5 V
  • Integrated, 2.9 mΩ and 1.2 mΩ power MOSFETs with 40 A continuous output current
  • Voltage reference 0.6 V to 1.2 V in 50 mV steps using VSEL pin
  • ±0.5%, 0.9 VREF tolerance range: -40°C to 125°C junction temperature
  • True differential remote-sense amplifier
  • D-CAP3™ control loop, to support large bulk capacitors and/or small MLCCs without external compensation
  • Adaptive on-time control with four selectable frequency settings: 425 kHz, 650 kHz, 875 kHz, and 1.05 MHz
  • Temperature compensated and programmable current limit with RILIM and OC clamp
  • Choice of hiccup or latch-off OVP or UVP
  • VDD UVLO external adjustment by precision EN hysteresis
  • Prebias startup support
  • Eco-mode™ and FCCM selectable
  • Full suite of fault protection and PGOOD
  • 5 mm x 7 mm x 1.5 mm, 40-pin, stack clipped LQFN-CLIP package

TPS548D22 SWIFT Synchronous Step-Down Converter

ImageManufacturer Part NumberDescriptionTopologyOutput TypeAvailable QuantityPriceView Details
IC REG BUCK ADJ 40A 40LQFNTPS548D22RVFTIC REG BUCK ADJ 40A 40LQFNBuckAdjustable474 - Immediate$8.46View Details

Evaluation Board

ImageManufacturer Part NumberDescriptionOutputs and TypePower - OutputAvailable QuantityPriceView Details
EVAL BOARD FOR TPS548D22TPS548D22EVM-784EVAL BOARD FOR TPS548D221 Non-Isolated Output-0 - Immediate$43.98View Details
Published: 2016-07-18

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