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Texas Instruments TPS92515HV-Q1 | Demoboard TIDA-01520
50W Dual-stage LED Driver Reference Design with Adaptive Pre-boost Control for Automotive Headlights
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 18-45 V |
| Schaltfrequenz | 50-2000 kHz |
| Ausgang 1 | 24 V / 1 A |
| Ausgang 2 | 24 V / 1 A |
| IC-Revision | B |
Beschreibung
The TIDA-01520 dual-stage reference design drives two strings of LEDs for automotive headlight applications while automatically adapting the pre-boost voltage without the need of a microcontroller (MCU) which saves space and cost. Additionally, the design’s adaptive, pre-boost control reduces switching losses, maximizing system efficiency in automotive headlights.Notes: LM5122-Q1 is for pre-boost application on this evaluation board.
Eigenschaften
- Automatic adaption of pre-boost voltage to string length and temperature variations
- Maximum LED string length per channel: 14 LEDs
- CISPR 25 tested
- Support of dynamic input voltage
- Support of dynamic loads (Matrix/Dimming)
Typische Anwendungen
- Exterior Headlight / Fog Light
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDA SMT-Speicherdrossel, 47 µH, 2.3 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PDA SMT-Speicherdrossel | Induktivität47 µH | Nennstrom2.3 A | Sättigungsstrom2.5 A | Gleichstromwiderstand77 mΩ | Eigenresonanzfrequenz10.1 MHz | MontageartSMT |