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Texas Instruments LM5141-Q1 | Demoboard LM5141QRGEVM
Wide-Input 2.2MHz Low-Iq Synchronous Buck Controller
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 5.5-42 V |
| Ausgang 1 | 5 V / 5 A |
| IC-Revision | A |
Beschreibung
The LM5141QRGEVM evaluation board provides a fully functional buck power supply, employing peak current mode control. The evaluation board provides a 5.0V @ 5A. The nonomal input voltage range is 8V-18V.
Eigenschaften
Qualified for Automotive ApplicationsAEC-Q100 Qualified With the Following Results:Device Temperature Grade 1: –40°C to +125°C Ambient Operating TemperatureDevice HBM ESD Classification Level 2Device CDM ESD Classification Level C4B
VIN: 3.8 V to 65 V (70 V Absolute Maximum)Output: Fixed 3.3 V, 5 V, or Adjustable From1.5 V to 15 V with ±0.8% AccuracyFixed 2.2-MHz or 440-kHz Switching Frequency with ±5% AccuracyHigh-Side and Low-Side Gate Drive With Slew-Rate ControlOptional Frequency Shift by Varying an Analog Voltage or RT ResistorOptional Synchronization to an External ClockOptional Spread SpectrumShutdown Mode IQ: 10 µA TypicalLow Standby Mode IQ: 35 µA Typical75-mV Current Limit Threshold with ±0.9% AccuracyExternal Resistor or DCR Current SensingOutput Enable Logic InputHiccup Mode for Sustained OverloadPower-Good Indication OutputSelectable Diode Emulation or Forced Pulse-Width Modulation24-pin VQFN Package With Wettable Flanks
Typische Anwendungen
- Infotainment Systems / Instrumentation Clusters / Advanced Driver Assistance Systems (ADAS)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Montageart | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Verpackung | Pins | Typ | H(mm) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Farbe | Gender | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDF SMT-Speicherdrossel, 1.8 µH, 14.5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PDF SMT-Speicherdrossel | Induktivität1.8 µH | Nennstrom14.5 A | Sättigungsstrom12.8 A | Gleichstromwiderstand4.5 mΩ | Eigenresonanzfrequenz74 MHz | MontageartSMT | – | – | – | – | – | – | – | – | Länge10.2 mm | – | Pins2 | – | Höhe6.1 mm | – | Betriebstemperatur -40 °C up to +150 °C | – | – | ||||
 | WCAP-PSLP Aluminium-Polymer-Kondensatoren, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-PSLP Aluminium-Polymer-Kondensatoren | – | – | – | – | – | MontageartV-Chip SMT | Kapazität82 µF | Nennspannung16 V (DC) | Endurance 2000 | Rippelstrom2200 mA | ESR (Serienersatzwiderstand)35 mΩ | Leckstrom400 µA | Verlustfaktor8 % | Durchmesser6.3 mm | Länge5.8 mm | Verpackung15" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +105 °C | – | – | ||||
 | WR-PHD Kurzschlussbrücken, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | Nennstrom3 A | – | – | – | – | – | – | – | – | – | – | – | – | Länge2.44 mm | VerpackungBeutel | Pins1 | – | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +125 °C | FarbeSchwarz | GenderJumper | |||
 | WR-PHD Stiftleisten - Einreihig, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | – | MontageartTHT | – | – | – | – | – | – | – | – | Länge5.08 mm | VerpackungBeutel | Pins2 | TypGerade | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste | |||
 | WR-PHD Stiftleisten - Einreihig, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | – | MontageartTHT | – | – | – | – | – | – | – | – | Länge7.62 mm | VerpackungBeutel | Pins3 | TypGerade | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste |