TPS53014

ACTIVE

4.5-V to 28-V, 25-A synchronous D-CAP2 buck controller

Product details

Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 7 Features Enable, Light Load Efficiency, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 660 Duty cycle (max) (%) 83 Number of phases 1
Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 25 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 7 Features Enable, Light Load Efficiency, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 660 Duty cycle (max) (%) 83 Number of phases 1
VSSOP (DGS) 10 14.7 mm² 3 x 4.9
  • D-CAP2™ mode control
    • Fast transient response
    • No external parts required for loop compensation
    • Compatible with ceramic output capacitors
  • High initial reference accuracy (±1%)
  • Wide input voltage range: 4.5 V to 28 V
  • Output voltage range: 0.77 V to 7.0 V
  • Low-side RDS(on) loss-less current sensing
  • Adjustable soft start
  • Non-sinking pre-biased soft start
  • 500-kHz Switching frequency
  • Cycle-by-cycle overcurrent limiting control
  • Auto-Skip Eco-ModeTM for High Efficiency at Light load
  • OCL/OVP/UVP/UVLO/TSD Protections
  • Adaptive Gate Drivers with Integrated Boost PMOS Switch
  • Thermally Compensated OCP, 4000 ppm/°C
  • 10 pin VSSOP
  • D-CAP2™ mode control
    • Fast transient response
    • No external parts required for loop compensation
    • Compatible with ceramic output capacitors
  • High initial reference accuracy (±1%)
  • Wide input voltage range: 4.5 V to 28 V
  • Output voltage range: 0.77 V to 7.0 V
  • Low-side RDS(on) loss-less current sensing
  • Adjustable soft start
  • Non-sinking pre-biased soft start
  • 500-kHz Switching frequency
  • Cycle-by-cycle overcurrent limiting control
  • Auto-Skip Eco-ModeTM for High Efficiency at Light load
  • OCL/OVP/UVP/UVLO/TSD Protections
  • Adaptive Gate Drivers with Integrated Boost PMOS Switch
  • Thermally Compensated OCP, 4000 ppm/°C
  • 10 pin VSSOP

The TPS53014 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53014 enables system designers to complete the suite of various end equipment’s power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53014 uses the D-CAP2 mode control which provides a very fast transient response with no external compensation components. The Adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode™ operation at light load. Eco-mode allows the TPS53014 to maintain high efficiency during lighter load conditions. The TPS53014 is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7 V.

The TPS53014 is available in the 3-mm × 3-mm 10-pin VSSOP (DGS) package and is specified for an ambient temperature range of –40°C to +85°C.

The TPS53014 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53014 enables system designers to complete the suite of various end equipment’s power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53014 uses the D-CAP2 mode control which provides a very fast transient response with no external compensation components. The Adaptive on-time control supports seamless transition between PWM mode at higher load condition and Eco-mode™ operation at light load. Eco-mode allows the TPS53014 to maintain high efficiency during lighter load conditions. The TPS53014 is also able to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 28 V and output voltage from 0.77 V to 7 V.

The TPS53014 is available in the 3-mm × 3-mm 10-pin VSSOP (DGS) package and is specified for an ambient temperature range of –40°C to +85°C.

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Technical documentation

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* Data sheet TPS53014 4.5-V to 28-V Input, D-CAP2™ synchronous buck controller datasheet (Rev. A) PDF | HTML 21 Feb 2019
Analog Design Journal Control-Mode Quick Reference Guide (Rev. B) PDF | HTML 29 Aug 2023
User guide TPS53014 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 14 Dec 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS53014EVM-126 — TPS53014 Evaluation Module

The Texas Instruments TPS53014EVM-126 evaluation module (EVM) helps designers evaluate the performance of the TPS53014 synchronous step-down controller. The EVM is designed to use an 8V to 22V voltage rail to produce a regulated 1.05V output with up to 8A load current. The EVM demonstrates the (...)
User guide: PDF | HTML
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Simulation model

TPS53014 TINA-TI Reference Design

SLVM654.TSC (242 KB) - TINA-TI Reference Design
Simulation model

TPS53014 TINA-TI Transient Spice Model

SLVM655.ZIP (50 KB) - TINA-TI Spice Model
Simulation model

TPS53014 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM600A.ZIP (114 KB) - PSpice Model
Package Pins CAD symbols, footprints & 3D models
VSSOP (DGS) 10 Ultra Librarian

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