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Texas Instruments LM63615-Q1 | Demoboard PMP22030
Efficient, low-heat, CISPR 25 class 5-compliant power reference design for infotainment display
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 8-18 V |
| Schaltfrequenz | 250-2200 kHz |
| Ausgang 1 | 5 V / 1.5 A |
| IC-Revision | E1 |
Beschreibung
This reference design is focused on the power tree for an automotive infotainment display unit covering various power supply rails including two off-battery converters providing 5.0-V and 3.3-V, and intermediary system rails of 1.8-V and 1.1-V. The test results demonstrate high efficiency, low heat dissipation and CISPR 25 class 5-conducted emissions compliance.
Eigenschaften
- Hardware tested automotive infotainment display unit power tree passing CISPR 25 class 5-conducted EMI limits
- All switching converters operating above 2-MHz to avoid AM band
- High light load efficiency to reduce standby current consumption
- Less than 30oC temperature rise under full load current conditions for all switching converters
- Stable converter operation with over 65o phase margin and over 20-dB gain margin
Typische Anwendungen
- Automotive infotainment: telematics control unit / Automotive body: gateway / Automotive ADAS: mirror replacement/CMS
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | IRP,40K(A) | Montageart | Wicklungstyp | Wicklungsanzahl | L1(µH) | Z(Ω) | IR 1(mA) | RDC1 max.(Ω) | VR(V) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAIA SMT Speicherdrossel, 2.2 µH, 2.75 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MAIA SMT Speicherdrossel | Induktivität2.2 µH | Sättigungsstrom 12.75 A | Sättigungsstrom @ 30%5.55 A | Gleichstromwiderstand80 mΩ | Eigenresonanzfrequenz42 MHz | Performance Nennstrom3.6 A | MontageartSMT | Wicklungstypbifilar | Wicklungsanzahl11 | – | – | – | – | – | ||||
 | WE-SL5 HC Stromkompensierter SMT Line Filter, 11 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-SL5 HC Stromkompensierter SMT Line Filter | Induktivität11 µH | – | – | Gleichstromwiderstand30 mΩ | – | – | MontageartSMT | WicklungstypSektional | Wicklungsanzahl2 | Induktivität [1]11 µH | Impedanz1000 Ω | Nennstrom [1]2500 mA | Gleichstromwiderstand [1]0.03 Ω | Nennspannung80 V |