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

TPS62231-Q1

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Abwärtswandler (Buck) für die Automobilindustrie, 2 bis 6 V, 500 mA, mit fester Ausgangsspannung von

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TPS62231-Q1

AKTIV
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Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 105 Topology Buck Type Converter Iout (max) (A) 0.5 Vin (min) (V) 2.05 Vin (max) (V) 6 Switching frequency (min) (kHz) 3000 Switching frequency (max) (kHz) 3000 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 22 Duty cycle (max) (%) 100
Rating Automotive Operating temperature range (°C) -40 to 105 Topology Buck Type Converter Iout (max) (A) 0.5 Vin (min) (V) 2.05 Vin (max) (V) 6 Switching frequency (min) (kHz) 3000 Switching frequency (max) (kHz) 3000 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Synchronous Rectification Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 22 Duty cycle (max) (%) 100
USON (DRY) 6 1.45 mm² 1.45 x 1
  • Qualified for Automotive Applications
  • Up to 3.8-MHz Switch Frequency
  • Up to 94% Efficiency
  • Output Peak Current up to 500 mA
  • Excellent AC and Transient Load Regulation
  • High PSRR (up to 90 dB)
  • Small External Output-Filter Components 1 µH
    and 4.7 µF
  • VIN range from 2.05 V to 6 V
  • Optimized Power Save Mode For Low Output-
    Ripple Voltage
  • Forced PWM Mode Operation
  • Typical 22-µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Small 1 × 1.5 × 0.6-mm3 SON Package
  • 12-mm2 Minimum Solution Size
  • Supports 0.6-mm Maximum Solution Height
  • Soft Start With 100-µs (Typical) Start-Up Time
  • Qualified for Automotive Applications
  • Up to 3.8-MHz Switch Frequency
  • Up to 94% Efficiency
  • Output Peak Current up to 500 mA
  • Excellent AC and Transient Load Regulation
  • High PSRR (up to 90 dB)
  • Small External Output-Filter Components 1 µH
    and 4.7 µF
  • VIN range from 2.05 V to 6 V
  • Optimized Power Save Mode For Low Output-
    Ripple Voltage
  • Forced PWM Mode Operation
  • Typical 22-µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Small 1 × 1.5 × 0.6-mm3 SON Package
  • 12-mm2 Minimum Solution Size
  • Supports 0.6-mm Maximum Solution Height
  • Soft Start With 100-µs (Typical) Start-Up Time

The TPS6223x-Q1 device family is a high-frequency, synchronous step-down DC-DC converter ideal for space-optimized automotive and industrial applications. The device supports up to 500-mA output current and allows the use of tiny and low-cost chip inductors and capacitors.

With a wide input-voltage range of 2.05 V to 6 V, the device can be powered by a preregulated voltage rail or Li-Ion batteries with extended voltage range. Two different fixed-output voltage versions are available at 1.5 V and 1.8 V.

The TPS6223x-Q1 series features switch frequency up to 3.8 MHz. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

Because of its excellent PSRR and AC load regulation performance, the device is also suitable to replace linear regulators to obtain better power conversion efficiency.

The Power Save Mode in TPS6223x-Q1 reduces the quiescent current consumption down to 22 µA during light load operation. It is optimized to achieve very low output voltage ripple even with small external component and features excellent AC load regulation.

For noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. The TPS6223x-Q1 is available in a 1-mm × 1.5-mm2 6-pin SON package.

The TPS6223x-Q1 device family is a high-frequency, synchronous step-down DC-DC converter ideal for space-optimized automotive and industrial applications. The device supports up to 500-mA output current and allows the use of tiny and low-cost chip inductors and capacitors.

With a wide input-voltage range of 2.05 V to 6 V, the device can be powered by a preregulated voltage rail or Li-Ion batteries with extended voltage range. Two different fixed-output voltage versions are available at 1.5 V and 1.8 V.

The TPS6223x-Q1 series features switch frequency up to 3.8 MHz. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range.

Because of its excellent PSRR and AC load regulation performance, the device is also suitable to replace linear regulators to obtain better power conversion efficiency.

The Power Save Mode in TPS6223x-Q1 reduces the quiescent current consumption down to 22 µA during light load operation. It is optimized to achieve very low output voltage ripple even with small external component and features excellent AC load regulation.

For noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. The TPS6223x-Q1 is available in a 1-mm × 1.5-mm2 6-pin SON package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS62231x-Q1 3-MHz Ultra-Small Step-Down Converter in 1 × 1.5 SON Package datasheet (Rev. A) PDF | HTML 07 Mär 2016
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 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 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 High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS62230EVM-370 — Evaluierungsmodul für sehr kleinen Abwärtswandler TPS62230, TPS62231, TPS62232 (1,2 V, 1,8 V, 2,5 V)

The TPS62230EVM-370 facilitates evaluation of the TPS62230, TPS62231 or TPS62232 IC. There are three independent circuits on the evaluation module: CKT1 will demonstrate the TPS62230 (2.5V) device.CKT2 will demonstrate the TPS62231 (1.8V) device.CKT3 will demonstrate the TPS62232 (1.2V) device.
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

TPS62230EVM-574 — Evaluierungsmodul für Ultrakompakte Abwärtswandler TPS62230, TPS62231, TPS62232 (1,2 V 1,8 V 2,5 V)

The Texas Instruments TPS62230EVM-574 evaluation module helps designers evaluate the operation and performance of the TPS6223x family of devices. These devices are high-efficiency, ultra-small size, buck converters that switch at up to 3 MHz. This user's guide describes the characteristics, (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

TPS62231 TINA-TI Transient Reference Design

SLIM239.TSC (658 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS62231 TINA-TI Transient Spice Model

SLIM240.ZIP (43 KB) - TINA-TI Spice Model
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Simulationsmodell

TPS62231 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM183A.ZIP (36 KB) - PSpice Model
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Referenzdesigns

TIDA-01004 — Kameramodul-Referenzdesign mit 1-MPixel-Imager, Bayer-Videoausgang und Stromversorgung über Koax für

The TIDA-01004 reference design is a remote automotive camera module that connects over a high speed serial video interface to a display or machine vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed MegaPixel video data, bidirectional control signals and (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-00262 — Optimiertes 1-Megapixel-Kameramodul für die Automobilindustrie für unkomprimiertes digitales Video ü

The TIDA-00262 Reference Design is a high speed serial video interface to connect a remote automotive camera module to a display or machine vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed MegaPixel video data, bidirectional control signals and power (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
USON (DRY) 6 Ultra Librarian
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Bestellen & Qualität

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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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  • Montagestandort

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