Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)
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Energiemanagement
AC/DC- und DC/DC-Controller (externer FET)

UCC256404

AKTIV

LLC-Resonanzcontroller mit extrem geringem Stromverbrauch, extrem leisem Standby-Betrieb und Hochspa

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
UCC25660 AKTIV Wide VIN und VOUT 750 kHz LLC-Controller Capable of higher operating frequency and supports wider VIN/VOUT operation

UCC256404

AKTIV
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Produktdetails

Vin (min) (V) 13 Vin (max) (V) 30 Operating temperature range (°C) -40 to 125 Control mode Current Topology Half bridge, LLC Rating Catalog Features HV Start-up, High voltage gate driver integrated, High voltage startup, High-voltage startup, Hybrid hysteretic control, Integrated X-cap discharge, LLC, Light load efficiency, Light-load efficiency, Low power, USB C/PD compatible, Wide AC input, X cap discharge integrated, X capacacitor discharge integrated, Zero voltage switching
Vin (min) (V) 13 Vin (max) (V) 30 Operating temperature range (°C) -40 to 125 Control mode Current Topology Half bridge, LLC Rating Catalog Features HV Start-up, High voltage gate driver integrated, High voltage startup, High-voltage startup, Hybrid hysteretic control, Integrated X-cap discharge, LLC, Light load efficiency, Light-load efficiency, Low power, USB C/PD compatible, Wide AC input, X cap discharge integrated, X capacacitor discharge integrated, Zero voltage switching
SOIC (DDB) 14 59.4 mm² 9.9 x 6
  • Optimized low power mode and burst mode algorithm
    • Burst mode with Soft-ON and Soft-OFF periods
    • Minimized audible noise at no load and standby
    • User option to disable burst mode
    • Opto-coupler low power operation
    • Efficiency performance exceeds DoE Level VI and EU CoC Tier-2 External Power Supply Standards
  • Hybrid hysteretic control (HHC)
    • Best-in-class transient response
    • Fast exit from burst mode
  • Robust adaptive dead-time control
  • Integrated high-voltage gate driver with 0.6 A source and 1.2 A sink capability
  • Robust capacitive region (ZCS) avoidance scheme
  • Over temperature, output over voltage, input under voltage protection, three levels of over current protection
  • Integrated high voltage startup function
  • Active X-capacitor discharge function
  • Optimized low power mode and burst mode algorithm
    • Burst mode with Soft-ON and Soft-OFF periods
    • Minimized audible noise at no load and standby
    • User option to disable burst mode
    • Opto-coupler low power operation
    • Efficiency performance exceeds DoE Level VI and EU CoC Tier-2 External Power Supply Standards
  • Hybrid hysteretic control (HHC)
    • Best-in-class transient response
    • Fast exit from burst mode
  • Robust adaptive dead-time control
  • Integrated high-voltage gate driver with 0.6 A source and 1.2 A sink capability
  • Robust capacitive region (ZCS) avoidance scheme
  • Over temperature, output over voltage, input under voltage protection, three levels of over current protection
  • Integrated high voltage startup function
  • Active X-capacitor discharge function

The UCC25640x is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC controller to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter.

UCC25640x provides a highly efficient burst mode with soft-on and soft-off periods to minimize audible noise at standby operation. The burst power level and hysteresis are programmable, simplifying the optimization of efficiency and burst mode operation. Burst mode can also be disabled through pin configuration. UCC25640x uses hybrid hysteretic control to provide best in class line and load transient response.

UCC25640x includes a range of features designed to make LLC converter operation well controlled and protected. It can be used with UCC28056 or UCC28064A PFC controllers, along with UCC24624 synchronous rectifier controller to offer a complete power supply solution.

The UCC25640x is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC controller to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter.

UCC25640x provides a highly efficient burst mode with soft-on and soft-off periods to minimize audible noise at standby operation. The burst power level and hysteresis are programmable, simplifying the optimization of efficiency and burst mode operation. Burst mode can also be disabled through pin configuration. UCC25640x uses hybrid hysteretic control to provide best in class line and load transient response.

UCC25640x includes a range of features designed to make LLC converter operation well controlled and protected. It can be used with UCC28056 or UCC28064A PFC controllers, along with UCC24624 synchronous rectifier controller to offer a complete power supply solution.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise and Standby Power datasheet (Rev. E) PDF | HTML 19 Feb 2021
Technical article Measure your LLC resonant tank before testing at full operating conditions PDF | HTML 21 Feb 2024
Technical article LLC design considerations for audio amplifiers PDF | HTML 19 Dez 2023
Application note Most Frequently Asked Questions About the UCC25640x LLC Resonant Controller PDF | HTML 05 Jun 2023
Application note UCC25640x LLC Resonant Controller Features Brief Overview and Bring up Guideline PDF | HTML 20 Jun 2022
Application note Improving Transient Response in LLC Converters Using Hybrid Hysteretic Control (Rev. B) 07 Apr 2021
Technical article How to reduce audible noise and power consumption at standby in your AC/DC design PDF | HTML 22 Apr 2020
Certificate UCC256404 IEC60065 Certification 10 Apr 2020
Certificate UCC256404 IEC60950 Certification 19 Feb 2020
Certificate UCC256404 IEC62368 Certification 19 Feb 2020
Application note Migrating to UCC25640x from UCC25630x (Rev. A) 10 Dez 2019
EVM User's guide PFCLLCSREVM-034 User Guide 26 Jul 2019
Application note Improving ZVS and efficiency in LLC converters 05 Nov 2018

Design und Entwicklung

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

Evaluierungsplatine

PFCLLCSREVM034 — AC-zu-isoliertes DC-EVM mit UCC28056B, UCC256404 und UCC24624

PFCLLCSREVM034 is a 168-W AC/DC supply with a transition-mode power-factor-correction front end and isolated half-bridge LLC resonant converter with synchronous rectification. This EVM accepts AC input from 90 Vrms to 264 Vrms and outputs 12-V DC with 168-W full-load output power.

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

UCC25640EVM-020 — UCC25640x Halbbrücken-LLC-Evaluierungsmodul

UCC25640EVM-020 is a 180W, LLC resonant converter using UCC256404. This EVM accepts DC input from 360V to 410V, AC input voltage from 85VAC to 264VAC and outputs 12VDC with 180W full load output power.
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

UCC25640x Simplis Model

SLUM684.ZIP (178 KB) - SIMPLIS Model
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Berechnungstool

SLUC675 — UCC25640x Design Calculator

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

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UCC256402 — LLC-Resonanzcontroller mit extrem niedrigem Standby-Stromverbrauch und Hochspannungsanlauf UCC256403 — LLC-Resonanzcontroller mit extrem geringem Stromverbrauch und extrem leisem Standby-Betrieb UCC256404 — LLC-Resonanzcontroller mit extrem geringem Stromverbrauch, extrem leisem Standby-Betrieb und Hochspa
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Referenzdesigns

PMP40580 — Referenzdesign für PFC- und LLC-TV-Stromversorgung mit 180 W und Universaleingang

This AC to DC power supply design for TV application provides 12-V, 5-A and 150-V, 0.8-A output from universal AC voltage (90 Vac to 264 Vac). The design uses CRM/DCM PFC controller UCC28056, and LLC controller UCC256404 with enhanced burst mode which enabled for low standby power and smaller (...)
Test report: PDF
Schaltplan: PDF
Referenzdesigns

PMP31179 — 400-W-AC-DC-Referenzdesign für Avionikanwendungen

Ein kompaktes Referenzdesign mit 30 V DC und 400 W für Avionikanwendungen, das mit Netzfrequenzen zwischen 400 Hz und 800 Hz arbeitet. Zur Korrektur des Leistungsfaktors und zur Minimierung des harmonischen Inhalts des Eingangsstroms wird eine zweiphasige Leistungsfaktorkorrektur (PFC) im (...)
Test report: PDF
Referenzdesigns

PMP22087 — Referenzdesign für AC/DC-Stromversorgung, 336 W, ohne Zusatzstromversorgung, mit 80 PLUS Platinum-ko

This reference design is an AC/DC power supply design with critical conduction mode (CRM) PFC and half-bridge LLC series resonant converter that provides 24 V, 240-W continuous, 336-W peak output from a universal input AC voltage (90 VAC to 264 VAC). This design uses UCC28056 CRM/DCM PFC (...)
Test report: PDF
Schaltplan: PDF
Referenzdesigns

PMP22088 — LLC-Resonanzwandler-Steuerkarte – Referenzdesign

This reference design is a control card for an LLC converter and integrates all of the essential functions for controlling an LLC converter, including the HV start-up, X-capacitor discharge and the drivers for the power FETs. By employing the advanced burst mode, it can also help the LLC (...)
Test report: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SOIC (DDB) 14 Ultra Librarian
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  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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