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

TPS62903-Q1

AKTIV

Synchroner 3-A-Abwärtswandler mit 165°C TJ, für die Automobilindustrie, 3 V bis 18 V, 3 A, geringer

Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 165 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Power good, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
Rating Automotive Operating temperature range (°C) -40 to 165 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Power good, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
VQFN-HR (RYT) 9 4.4 mm² 2.2 x 2
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
    • Level 2 device HBM ESD classification
    • Level C4B CDM ESD classification
  • Functional Safety-Capable
  • Extended T J range: up to 165°C
  • High efficiency DCS-Control topology
    • R DS(ON): 62-mΩ high side, 22-mΩ low side
    • Seamless PWM/PFM transition
    • Internal compensation
  • 4-µA low I Q (typical)
  • Up to 3-A continuous output current
  • ±1.5% output voltage accuracy across temp
  • Configurable output voltage options:
    • 0.6-V to 5.5-V V FB external divider
    • V SET internal divider
      • 16 options between 0.4 V and 5.5 V
  • Flexibility through the MODE/S-CONF pin
    • 2.5-MHz or 1.0-MHz switching frequency
    • Forced PWM or Auto PFM (power save mode) with dynamic mode change option
    • Output discharge on and off
  • No external bootstrap capacitor required
  • Overcurrent and overtemperature protection
  • 100% duty cycle mode
  • Precise enable input
  • Adjustable soft start and tracking
  • Power-good output
  • Optimized pinout for single-layer routing
  • Wettable 2.2-mm × 2.0-mm VQFN package with 0.5-mm pitch
  • Create a custom design with the TPS62903-Q1 using the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
    • Level 2 device HBM ESD classification
    • Level C4B CDM ESD classification
  • Functional Safety-Capable
  • Extended T J range: up to 165°C
  • High efficiency DCS-Control topology
    • R DS(ON): 62-mΩ high side, 22-mΩ low side
    • Seamless PWM/PFM transition
    • Internal compensation
  • 4-µA low I Q (typical)
  • Up to 3-A continuous output current
  • ±1.5% output voltage accuracy across temp
  • Configurable output voltage options:
    • 0.6-V to 5.5-V V FB external divider
    • V SET internal divider
      • 16 options between 0.4 V and 5.5 V
  • Flexibility through the MODE/S-CONF pin
    • 2.5-MHz or 1.0-MHz switching frequency
    • Forced PWM or Auto PFM (power save mode) with dynamic mode change option
    • Output discharge on and off
  • No external bootstrap capacitor required
  • Overcurrent and overtemperature protection
  • 100% duty cycle mode
  • Precise enable input
  • Adjustable soft start and tracking
  • Power-good output
  • Optimized pinout for single-layer routing
  • Wettable 2.2-mm × 2.0-mm VQFN package with 0.5-mm pitch
  • Create a custom design with the TPS62903-Q1 using the WEBENCH Power Designer

The TPS62903-Q1 is a highly efficient, small, and flexible synchronous step-down DC/DC converter that is easy to use. A selectable switching frequency of 2.5 MHz or 1.0 MHz allows the use of small inductors and provides fast transient response. The device supports high V OUT accuracy of ± 1.5% across the entire operating temperature range and enhanced load transient performance with the DCS-Control topology. The wide 3-V to 18-V input voltage range supports a variety of nominal inputs, like 12-V supply rails, single-cell or multi-cell Li-Ion, and 5-V or 3.3-V rails.

The TPS62903-Q1 can automatically enter power save mode (if auto PFM or PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4 µA. AEE, if enabled, provides high efficiency across V IN, V OUT, and load current. The device includes a MODE/Smart-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

The TPS62903-Q1 is a highly efficient, small, and flexible synchronous step-down DC/DC converter that is easy to use. A selectable switching frequency of 2.5 MHz or 1.0 MHz allows the use of small inductors and provides fast transient response. The device supports high V OUT accuracy of ± 1.5% across the entire operating temperature range and enhanced load transient performance with the DCS-Control topology. The wide 3-V to 18-V input voltage range supports a variety of nominal inputs, like 12-V supply rails, single-cell or multi-cell Li-Ion, and 5-V or 3.3-V rails.

The TPS62903-Q1 can automatically enter power save mode (if auto PFM or PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4 µA. AEE, if enabled, provides high efficiency across V IN, V OUT, and load current. The device includes a MODE/Smart-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS62903-Q1 3-V to 18-V, 3-A, Automotive Low IQ Buck Converter with +165°C TJ datasheet (Rev. A) PDF | HTML 31 Mär 2023
White paper Addressing Performance Challenges in Nano-IQ Systems (Rev. A) PDF | HTML 11 Mär 2024
Application brief Functional Safety Compliant Power Design for Functional Safety Microcontrollers PDF | HTML 26 Jan 2024
Application note Comparison of TPS629xx-Q1 vs. TPS621x0A-Q1 PDF | HTML 13 Dez 2022
Application note Using the TPS6290x in an Inverting Buck – Boost Topology PDF | HTML 12 Jul 2022
Functional safety information TPS629xx-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 06 Mai 2022
Certificate TPS62903-Q1EVM EU RoHS Declaration of Conformity (DoC) 04 Mai 2022
User guide TPS6290x-Q1 Step-Down Converter Evaluation Module User's Guide PDF | HTML 02 Mai 2022
Application note How to Best Use TPS62903 for a Given Application Requirement PDF | HTML 13 Aug 2021
Application brief Multi-Function Pins for Easy Designing PDF | HTML 07 Jul 2021

Design und Entwicklung

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

Evaluierungsplatine

TPS62901-Q1EVM — Evaluierungsmodul TPS62901 für synchronen 1-A-Abwärtswandler mit niedrigem Ruhestrom, 3 V bis 18 V

Das Evaluierungsmodul (EVM) TPS62902-Q1 (BSR196) erleichtert die Evaluierung der 1-A-, 2-A- und 3-A-, Pin-zu-Pin-kompatiblen Abwärtswandler in kleinen 2,2 mm x 2 mm großen VQFN-Gehäusen mit benetzbarer Flanke. Der BSR196-003 verwendet den 3 A TPS62903-Q1, um eine 1,2 V Ausgangsspannung aus (...)

Benutzerhandbuch: PDF | HTML
Evaluierungsplatine

TPS62903-Q1EVM — Evaluierungsmodul TPS62903 für synchronen 3-A-Abwärtswandler mit niedrigem Ruhestrom, 3 V bis 18 V

Das Evaluierungsmodul (EVM) TPS6290x-Q1 (BSR196) erleichtert die Evaluierung der TPS6290x-Q1 1-A-, 2-A- und 3-A-, Pin-zu-Pin-kompatiblen Abwärtswandler in kleinen 2,2 mm x 2 mm großen VQFN-Gehäusen mit benetzbarer Flanke. Der BSR196-003 verwendet den 3-A-TPS62903-Q1 zum Ausgeben einer (...)
Benutzerhandbuch: PDF | HTML
Simulationsmodell

TPS62903-Q1 PSPICE Mode

SLVME04.ZIP (128 KB) - PSpice Model
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN-HR (RYT) 9 Ultra Librarian

Bestellen & Qualität

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  • MSL-Rating / Spitzenrückfluss
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  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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