Product details

Vin (Min) (V) 4.5 Vin (Max) (V) 28 Vout (Min) (V) 0.6 Vout (Max) (V) 26 Iout (Max) (A) 2 Iq (Typ) (uA) 40 Switching frequency (Min) (kHz) 500 Switching frequency (Max) (kHz) 500 Features Enable, Light Load Efficiency, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, UVLO Adjustable, Soft Start Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 4.5 Vin (Max) (V) 28 Vout (Min) (V) 0.6 Vout (Max) (V) 26 Iout (Max) (A) 2 Iq (Typ) (uA) 40 Switching frequency (Min) (kHz) 500 Switching frequency (Max) (kHz) 500 Features Enable, Light Load Efficiency, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, UVLO Adjustable, Soft Start Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6
  • 4.5-V to 28-V wide input voltage range
  • Integrated 148-mΩ and 78-mΩ MOSFETs for 2-A, continuous output current
  • Low 2-µA shutdown, 45-µA quiescent current
  • Internal 5-mS soft start
  • Fixed 500-kHz switching frequency
  • Frequency spread spectrum to reduce EMI
  • Advanced Eco-mode™ pulse skip
  • Peak current mode control
  • Internal loop compensation
  • Overcurrent protection for both MOSFETs with hiccup mode protection
  • Overvoltage protection
  • Thermal shutdown
  • SOT-23 (6) package
  • 4.5-V to 28-V wide input voltage range
  • Integrated 148-mΩ and 78-mΩ MOSFETs for 2-A, continuous output current
  • Low 2-µA shutdown, 45-µA quiescent current
  • Internal 5-mS soft start
  • Fixed 500-kHz switching frequency
  • Frequency spread spectrum to reduce EMI
  • Advanced Eco-mode™ pulse skip
  • Peak current mode control
  • Internal loop compensation
  • Overcurrent protection for both MOSFETs with hiccup mode protection
  • Overvoltage protection
  • Thermal shutdown
  • SOT-23 (6) package

The TPS54202 is a 4.5-V to 28-V input voltage range, 2-A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5-ms internal soft start to reduce component count.

By integrating the MOSFETs and employing the SOT-23 package, the TPS54202 achieves the high power density and offers a small footprint on the PCB.

Advanced Eco-mode implementation maximizes the light load efficiency and reduces the power loss.

The frequency spread spectrum operation is introduced for EMI reduction.

Cycle-by-cycle current limit in both high-side MOSFET protects the converter in an overload condition and is enhanced by a low-side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection is triggered if the overcurrent condition has persisted for longer than the present time.

The TPS54202 is a 4.5-V to 28-V input voltage range, 2-A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5-ms internal soft start to reduce component count.

By integrating the MOSFETs and employing the SOT-23 package, the TPS54202 achieves the high power density and offers a small footprint on the PCB.

Advanced Eco-mode implementation maximizes the light load efficiency and reduces the power loss.

The frequency spread spectrum operation is introduced for EMI reduction.

Cycle-by-cycle current limit in both high-side MOSFET protects the converter in an overload condition and is enhanced by a low-side MOSFET freewheeling current limit which prevents current runaway. Hiccup mode protection is triggered if the overcurrent condition has persisted for longer than the present time.

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Technical documentation

Design & development

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

Evaluation board

TPS54202EVM-716 — TPS54202 2A Output, Synchronous Step-Down Converter Evaluation Module

The TPS54202EVM-716 is a fully assembled and tested circuit for evaluating the TPS54202 synchronous step-down SWIFT™ converter. The EVM converts a 8-V to 28-V input voltage to a regulated 5-V output voltage that delivers up to 2 A. The solution offers a ultra-low quiescent supply current (IQ) (...)

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Simulation model

TPS54202 Unencrypted PSpice Transient Model Package (Rev. C)

SLVMBJ5C.ZIP (102 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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This reference design demonstrates a 15 mm x 20 mm, 94% efficiency, low electromagnetic interference (EMI) DC/DC module with the TPS54202, replacing low dropout regulator (LDO) in major home appliance applications. High efficiency eliminates the need of heat sink for a smaller design and and (...)
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This reference design demonstrates a 10.5-mm x 14.5-mm, 94% efficiency, low electromagnetic interference (EMI) DC/DC module with the TPS54202, replacing a low-dropout regulator (LDO) in major home appliance applications. High efficiency eliminates the need of heat sink for a smaller and (...)
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TIDA-00947 — 3.3V 1A, Low EMI, 92% Efficiency DC/DC Module in Dual Layer TO-220 Form Factor Reference Design

This reference design demonstrates a 10.5 mm x1 4.5 mm, 92% efficiency, low-electromagnetic interference (EMI) DC/DC module with the TPS54202, replacing a low dropout regulator (LDO) in major home appliance applications. The high efficiency eliminates the need of heat sink for a design that (...)
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TIDA-00949 — 3.3V 1A, Low EMI, 92% Efficiency DC/DC Module in Single Layer TO-247 Form Factor Reference Design

This reference design demonstrates a 15 mm x 20 mm, 92% efficiency, low electromagnetic interference (EMI) DC/DC module with TPS54202, replacing low dropout regulator (LDO) in major home appliance applications. The high efficiency eliminates the need of heat sink for a smaller and cheaper (...)
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