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Details
| Topologie | Abwärts- und Aufwärtswandler |
| Eingangsspannung | 12-48 V |
Beschreibung
The LM5171-Q1 controller provides the essential high voltage and precision elements of a dual-channel bidirectional converter for example is automotive 48-V and 12-V dual battery systems. It supports multiphase parallel operation with balanced current sharing in each phase, and it can also support independent channel bi-directional operations making it versatile as standalone controller operating as Multiphase Buck/Boost or independent Buck or Boost.
Eigenschaften
- AEC-Q100 qualified for automotive applications:
- Device temperature grade 1: –40°C to +125°C ambient operating range
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4B
- Functional Safety-Capable
- 85-V HV-port and 80-V LV-port max ratings
- 1% Typical Accuracy of bidirectional currentregulation
- 1% Typical Accuracy of channel current monitoring
- I2C Interface for monitoring and diagnosis
- Built-in 3.5V 1% reference voltage
- Integrated 5V 10mA bias supply
- 5-A Peak half-bridge gate drivers
- Programmable or adaptive dead-time control
- Programmable oscillator frequency up to 1MHzwith optional synchronization to external clock
- Independent channel enabling control inputs
- Integrated both current and voltage loop control
- Programmable cycle-by-cycle peak current limit
- Over-temperature shutdown
- HV and LV port overvoltage protection
- Dynamically selectable diode emulation and forcedPWM operation modes
- Programmable soft-start timer
- Support both multiphase and independent channeloperations
- Support urgent shutdown latch
Typische Anwendungen
- Super-cap or battery backup power converter
- Automotive, Industrial dual-battery systems, Battery Testing System (BTS)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Drahttype | Pins | Typ | Montageart | L(mm) | H(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Hellgrün | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]570 nm | Emittierte FarbeHellgrün | Spitzen-Wellenlänge [typ.]572 nm | Lichtstärke [typ.]40 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MontageartSMT | Länge1.6 mm | Höhe0.7 mm | – | – | Betriebstemperatur -40 °C up to +85 °C | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Gelb | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]590 nm | Emittierte FarbeGelb | Spitzen-Wellenlänge [typ.]595 nm | Lichtstärke [typ.]120 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MontageartSMT | Länge1.6 mm | Höhe0.7 mm | – | – | Betriebstemperatur -40 °C up to +85 °C | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 630 nm, Superrot | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]630 nm | Emittierte FarbeSuperrot | Spitzen-Wellenlänge [typ.]645 nm | Lichtstärke [typ.]60 mcd | Durchlassspannung [typ.]1.9 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MontageartSMT | Länge1.6 mm | Höhe0.7 mm | – | – | Betriebstemperatur -40 °C up to +85 °C | |||
 | WR-PHD Stiftleisten - Einreihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | TypGerade | MontageartTHT | Länge5.08 mm | – | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | |||
 | WR-PHD Stiftleisten - Einreihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins3 | TypGerade | MontageartTHT | Länge7.62 mm | – | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | |||
 | WE-HCF SMT-Hochstrominduktivität, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-HCF SMT-Hochstrominduktivität | – | – | – | – | – | – | – | Induktivität4.7 µH | Performance Nennstrom44 A | Sättigungsstrom 144 A | Sättigungsstrom @ 30%48 A | Gleichstromwiderstand1.44 mΩ | Eigenresonanzfrequenz21.56 MHz | DrahttypeFlach | Pins2 | – | MontageartSMT | Länge27 mm | Höhe15.4 mm | Nennstrom44 A | – | Betriebstemperatur -40 °C up to +125 °C |