Product details

Vin (Min) (V) 1.8 Vin (Max) (V) 5.5 Vout (Min) (V) 1.2 Vout (Max) (V) 1.55 Iout (Max) (A) 0.6 Iq (Typ) (uA) 2.3 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 1500 Features Enable, Forced PWM, Light Load Efficiency, Output Discharge, Over Current Protection, Synchronous Rectification, UVLO Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 1.8 Vin (Max) (V) 5.5 Vout (Min) (V) 1.2 Vout (Max) (V) 1.55 Iout (Max) (A) 0.6 Iq (Typ) (uA) 2.3 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 1500 Features Enable, Forced PWM, Light Load Efficiency, Output Discharge, Over Current Protection, Synchronous Rectification, UVLO Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1
DSBGA (YKA) 6 1 mm² 1.094 x .744 DSBGA (YKA) 6
  • Input Voltage Range from 1.8 V to 5.5 V
  • 2.3-µA Operating Quiescent Current
  • Up to 4 MHz Switching Frequency
  • Output Current 0.6 A / 1 A
  • 1% Output Voltage Accuracy
  • Selectable Power Save / Forced PWM Mode
  • R2D converter for flexible VOUT setting
  • 16 Selectable + 1 Fixed Output Voltages
    • TPS62800 (4 MHz): 0.4 V to 0.775 V
    • TPS62801 (4 MHz): 0.8 V to 1.55 V
    • TPS62802 (4 MHz): 1.8 V to 3.3 V
    • TPS62806 (1.5 MHz): 0.4 V to 0.775 V
    • TPS62807 (1.5 MHz): 0.8 V to 1.55 V
    • TPS62808 (1.5 MHz): 1.8 V to 3.3 V
  • Smart Enable Pin
  • Optimized Pinout to Support 0201 Components
  • DCS-Control™ Topology™
  • Output Discharge
  • 100% Duty Cycle Operation
  • Tiny 6-pin, 0.35 mm Pitch WCSP package
  • Supports < 0.6 mm Solution Height
  • Supports < 5 mm2 Solution Size
  • Input Voltage Range from 1.8 V to 5.5 V
  • 2.3-µA Operating Quiescent Current
  • Up to 4 MHz Switching Frequency
  • Output Current 0.6 A / 1 A
  • 1% Output Voltage Accuracy
  • Selectable Power Save / Forced PWM Mode
  • R2D converter for flexible VOUT setting
  • 16 Selectable + 1 Fixed Output Voltages
    • TPS62800 (4 MHz): 0.4 V to 0.775 V
    • TPS62801 (4 MHz): 0.8 V to 1.55 V
    • TPS62802 (4 MHz): 1.8 V to 3.3 V
    • TPS62806 (1.5 MHz): 0.4 V to 0.775 V
    • TPS62807 (1.5 MHz): 0.8 V to 1.55 V
    • TPS62808 (1.5 MHz): 1.8 V to 3.3 V
  • Smart Enable Pin
  • Optimized Pinout to Support 0201 Components
  • DCS-Control™ Topology™
  • Output Discharge
  • 100% Duty Cycle Operation
  • Tiny 6-pin, 0.35 mm Pitch WCSP package
  • Supports < 0.6 mm Solution Height
  • Supports < 5 mm2 Solution Size

The TPS6280x device family is a step down converter with 2.3-µA typical quiescent current featuring highest efficiency and smallest solution size. TI’s DCS-Control™ topology enables the device to operate with tiny inductors and capacitors with a switching frequency up to 4MHz. At light load conditions, it seamlessly enters Power Save Mode to reduce switching cycles and maintain high efficiency.

Connecting the VSEL/MODE pin to GND selects a fixed output voltage. With only one external resistor connected to VSEL/MODE pin, 16 internally set output voltages can be selected. An integrated R2D (resistor to digital) converter reads out the external resistor and sets the output voltage. The same device part number can be used for different applications and voltage rails just by changing a single resistor. Furthermore, the internally set output voltage provides better accuracy compared to a traditional external resistor divider network. Once the device has started up, the DC/DC converter enters Forced PWM Mode by applying a high level at the VSEL/MODE pin. In this operating mode, the device runs at a typical 4-MHz or 1.5-MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35-mm pitch.

The TPS6280x device family is a step down converter with 2.3-µA typical quiescent current featuring highest efficiency and smallest solution size. TI’s DCS-Control™ topology enables the device to operate with tiny inductors and capacitors with a switching frequency up to 4MHz. At light load conditions, it seamlessly enters Power Save Mode to reduce switching cycles and maintain high efficiency.

Connecting the VSEL/MODE pin to GND selects a fixed output voltage. With only one external resistor connected to VSEL/MODE pin, 16 internally set output voltages can be selected. An integrated R2D (resistor to digital) converter reads out the external resistor and sets the output voltage. The same device part number can be used for different applications and voltage rails just by changing a single resistor. Furthermore, the internally set output voltage provides better accuracy compared to a traditional external resistor divider network. Once the device has started up, the DC/DC converter enters Forced PWM Mode by applying a high level at the VSEL/MODE pin. In this operating mode, the device runs at a typical 4-MHz or 1.5-MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35-mm pitch.

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TPS62801 ACTIVE 1.8V-5.5V input, tiny, 1A ultra-low Iq step-down converter in 1.05 x 0.70mm chip scale package Pin-compatible converter with higher output current (1 A) and switching frequency (4 MHz).
TPS62806 ACTIVE 1.8V-5.5V input, tiny, 600mA ultra-low Iq step-down converter in 1.05 x 0.70mm chip scale package Pin-compatible converter with different output voltage range (0.4 V to 0.775 V).
TPS62808 ACTIVE 1.8V-5.5V input, 600-mA, ultra-low IQ step-down converter Pin-compatible converter with different output voltage range (1.8 V to 3.3 V).

Technical documentation

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Type Title Date
* Data sheet TPS6280x 1.8-V to 5.5-V, 0.6A / 1-A, 2.3-µA IQ Step Down Converter 6-Pin, 0.35-mm Pitch WCSP Package datasheet (Rev. E) 19 Sep 2018
Application note Intro to Multi-function Pins and their Applications in TI Step-down Converters 27 Jul 2021
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes (Rev. A) 25 Jun 2021
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 22 Mar 2021
White paper Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies 14 Oct 2019
Technical article Minimize the impact of the MLCC shortage on your power application 29 Mar 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
User guide TPS62806-7-8EVM083 Evaluation Module 04 Dec 2018
Analog design journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog design journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin t 24 Oct 2017
Analog design journal Testing tips for applying external power to supply outputs without an input volt 24 Oct 2016
Analog design journal Understanding frequency variation in the DCS-Control(TM) topology 30 Oct 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog design journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
Analog design journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014
Analog design journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Analog design journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

Design & development

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

Evaluation board

TPS62806-7-8EVM083 — Tiny 0.35-mm pitch high efficiency 600-mA step-down converters with 2.3-uA IQ evaluation module

The TPS62806-7-8EVM083 evaluation module (EVM) facilitates the evaluation of the TPS62806-7-8 family of 600 mA, step-down converters with 2.3-µA IQ in tiny 1.05-mm by 0.7-mm WCSP packages with 0.35-mm pitch. The EVM contains 3 separate circuits to create output voltages between 0.4 V and 3.3 (...)

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Simulation model

TPS62807 PSpice Unencrypted Transient Model (Rev. A)

SLVMD70A.ZIP (105 KB) - PSpice Model
Simulation model

TPS62807 TINA-TI Startup Transient Model

SLVMDA3.TSC (624 KB) - TINA-TI Spice Model
Simulation model

TPS62807 TINA-TI Steady State Transient Model

SLVMDA4.TSC (534 KB) - TINA-TI Spice Model
Simulation model

TPS62807 SIMPLIS Transient and Average Model

SLVMDG3.ZIP (672 KB) - SIMPLIS 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 (...)
Gerber file

BSR083 Gerbers

SLVC761.ZIP (485 KB)
Reference designs

TIDA-01566 — Light Load Efficient, Low Noise Power Supply Reference Design for Wearables and IoT

This reference design demonstrates an ultra-small power supply solution (8.5 mm2 total) for an efficient and low-noise rail in portable personal electronic devices, such as wearables, smart watches, smartphones, headsets, headphones, earbuds, and camera modules. A low dropout (LDO) linear (...)
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