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Qorvo ACT4752 | Demoboard ACT4752EVK1-101
40 V, 4.0 A CC/CV Step-Down DC/DC Converter with USB PD 3.0 PPS
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4-40 V |
| Ausgang 1 | 25 V / 4 A |
| IC-Revision | 1.0 |
Beschreibung
This document describes the characteristics and operation of the Qorvo ACT4752EVK1-101 evaluation kit (EVK). It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVK demonstrates the ACT4752QI101 power management IC. Other ACT4752QIxxx options can be evaluated on this EVK by replacing the IC and any other necessary components.
Eigenschaften
- USB certified charger design available
- Supports small ceramic output capacitors
- 50 mOhm integrated high-/low-side FETs
- Input voltage range: 4.5 to 40 V
- Integrated mini-buck bias supply: 5 V at 350 mA
- I2C Programmable output voltage: 3 to 24 V in 12.5 mV steps
- I2C Programmable output current limit: 0 to 4 A with 256 step resolution
- Fixed-frequency current-mode control: 450 kHz to 2.25 MHz
- External clock synchronization and 100% duty cycle operation
- Out of AM radio / spread-spectrum operation
- Auxiliary LDO: 0.9 to 4.0 V at 20 mA
- I2C interface, fast-mode plus (Fm+, 1 MHz) with configurable address
Typische Anwendungen
- USB PD 3.0 Charging Hubs, Power Management for USB-C Power Rails, Industrial SMPS for 24V Bus, High Power LED Lighting
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | RDC(mΩ) | fres(MHz) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Montageart | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Raster(mm) | Ø D(mm) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Pins2 | PCB/Kabel/PanelPCB | ModularityJa | TypHorizontal | Wire Section 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | Betriebstemperatur -30 °C up to +120 °C | – | – | – | Länge7 mm | – | – | – | VerpackungKarton | – | Nennstrom10 A | – | – | – | – | – | – | – | MontageartTHT | – | – | – | Raster3.5 mm | – | ||||
 | WE-LHMI SMT Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | – | – | – | – | – | – | – | – | Bauform8040 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge9.7 mm | Breite8.5 mm | Höhe4 mm | – | – | Induktivität3.3 µH | – | – | – | Eigenresonanzfrequenz20 MHz | Performance Nennstrom10 A | Sättigungsstrom 112.4 A | Sättigungsstrom @ 30%27 A | Gleichstromwiderstand14.9 mΩ | MontageartSMT | – | – | – | – | – | ||||
 | WCAP-ATG8 Aluminium-Elektrolytkondensatoren, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-ATG8 Aluminium-Elektrolytkondensatoren | – | – | – | – | – | Kapazität100 µF | Kapazität±20% | Nennspannung50 V (DC) | – | – | Verlustfaktor10 % | – | – | Länge11.5 mm | – | – | – | VerpackungAmmopack | – | – | – | – | – | – | – | – | – | – | Endurance 2000 | Rippelstrom286 mA | Leckstrom50 µA | Raster3.5 mm | Durchmesser8 mm | ||||
| WCAP-CSGP MLCCs 10 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | Kapazität10 µF | Kapazität±20% | Nennspannung10 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.01 GΩ | KeramiktypX5R Klasse II | Länge2 mm | Breite1.25 mm | Höhe1.25 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-LQS SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LQS SMT-Speicherdrossel | – | – | – | – | – | – | – | – | Bauform4025 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge4 mm | Breite4 mm | Höhe2.5 mm | – | – | Induktivität47 µH | Nennstrom0.71 A | Sättigungsstrom0.45 A | Gleichstromwiderstand492 mΩ | Eigenresonanzfrequenz15 MHz | – | – | – | – | MontageartSMT | – | – | – | – | – |