Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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AC/DC- und DC/DC-Wandler (integrierter FET)

TPS62801

AKTIV

Abwärtswandler mit extrem niedrigem IQ in einem 0,7 mm x 1,05 mm großen Chip-Scale-Gehäuse, 1,75 V-

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Datenblatt

TPS62801

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 1.75 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 4000 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Load Disconnect, Output discharge, Over Current Protection, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.8 Vout (max) (V) 1.55 Iq (typ) (µA) 2.3 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 1.75 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 4000 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Load Disconnect, Output discharge, Over Current Protection, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.8 Vout (max) (V) 1.55 Iq (typ) (µA) 2.3 Duty cycle (max) (%) 100
DSBGA (YKA) 6 0.735 mm² 1.05 x 0.7
  • 1.75V to 5.5V input voltage range
  • 2.3µA operating quiescent current
  • Up to 4MHz switching frequency
  • 0.6A or 1A output current
  • 1% output voltage accuracy
  • Selectable power save and forced PWM mode
  • R2D converter for flexible VOUT setting
  • 16 selectable and one fixed output voltages
    • TPS62800 (4MHz): 0.4V to 0.775V
    • TPS62801 (4MHz): 0.8V to 1.55V
    • TPS62802 (4MHz): 1.8V to 3.3V
    • TPS62806 (1.5MHz): 0.4V to 0.775V
    • TPS62807 (1.5MHz): 0.8V to 1.55V
    • TPS62808 (1.5MHz): 1.8V to 3.3V
  • Smart enable pin
  • Optimized pinout to support 0201 components
  • DCS-Control topology
  • Output discharge
  • 100% duty cycle operation
  • Tiny 6-pin, 0.35mm pitch WCSP package
  • Supports < 0.6mm design height
  • Supports < 5mm2 design size
  • Create a custom design using the:
  • 1.75V to 5.5V input voltage range
  • 2.3µA operating quiescent current
  • Up to 4MHz switching frequency
  • 0.6A or 1A output current
  • 1% output voltage accuracy
  • Selectable power save and forced PWM mode
  • R2D converter for flexible VOUT setting
  • 16 selectable and one fixed output voltages
    • TPS62800 (4MHz): 0.4V to 0.775V
    • TPS62801 (4MHz): 0.8V to 1.55V
    • TPS62802 (4MHz): 1.8V to 3.3V
    • TPS62806 (1.5MHz): 0.4V to 0.775V
    • TPS62807 (1.5MHz): 0.8V to 1.55V
    • TPS62808 (1.5MHz): 1.8V to 3.3V
  • Smart enable pin
  • Optimized pinout to support 0201 components
  • DCS-Control topology
  • Output discharge
  • 100% duty cycle operation
  • Tiny 6-pin, 0.35mm pitch WCSP package
  • Supports < 0.6mm design height
  • Supports < 5mm2 design size
  • Create a custom design using the:

The TPS6280x device family is a step-down converter with 2.3µA typical quiescent current featuring the highest efficiency and smallest design 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, the device 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. After 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 4MHz or 1.5MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35mm pitch.

The TPS6280x device family is a step-down converter with 2.3µA typical quiescent current featuring the highest efficiency and smallest design 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, the device 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. After 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 4MHz or 1.5MHz switching frequency, enabling lowest output voltage ripple and highest efficiency. The TPS6280x device series comes in a tiny 6-pin WCSP package with 0.35mm pitch.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS6280x 1.75V to 5.5V, 0.6A/1A, 2.3µA IQ Step-Down Converter 6-Pin, 0.35mm Pitch WCSP Package datasheet (Rev. G) PDF | HTML 06 Jun 2024
Application note Intro to Multi-Function Pins and Their Applications in TI Step-Down Converters (Rev. A) PDF | HTML 17 Nov 2022
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 Mai 2022
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 22 Mär 2021
White paper Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies 14 Okt 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 2018
EVM User's guide TPS62800EVM-892 Evaluation Module (Rev. B) 22 Aug 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Technical article Design a 3A power supply smaller than a 1608-size resistor PDF | HTML 16 Jan 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Okt 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Okt 2016
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30 Okt 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 und Entwicklung

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Evaluierungsplatine

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Benutzerhandbuch: PDF
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Simulationsmodell

TPS62801 PSpice Unencrypted Transient Model (Rev. B)

SLVMCJ4B.ZIP (83 KB) - PSpice Model
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Gerberdatei

PWR892 Gerber

SLVC721.ZIP (376 KB)
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