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Analog Devices MAX25222 | Demoboard MAX25222EVSYS
MAX25222 Evaluation Kit/ MAX25222 Evaluation System One
Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 2.65-5.5 V |
| Schaltfrequenz | 420-2100 kHz |
| Ausgang 1 | 6.8 V / 0.2 A |
| IC-Revision | 1 |
Beschreibung
The MAX25222 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to evaluate MAX25222/MAX25222C automotive 4-channel TFT-LCD power supply with VCOM Buffer. Each output rail (AVDD, NAVDD, VGON, VGOFF, and VCOM) can be independently adjusted through I2C. The EV kit demonstrates the device’s features: adjustable output voltage, fault protection, VCOM temperature compensation, nonvolatile memory programming, and extensive diagnostics to aid in fulfilling ASIL-B safety level.The EV kit exposes an I2C interface which can operate in conjunction with the MINIQUSB+ adapter or a third party I2C master like a general-purpose microcontroller. The EV kit also includes Windows®-compatible software that provides a simple graphical user interface (GUI) for exer- cising the features of the IC. The EV system includes both the EV kit and the MINIQUSB+ adapter board.
Eigenschaften
- 2.65V to 5.5V Input Range
- Default Output Voltages
- 6.8V Output at 200mA (Boost Converter)
- -6.8V Output at -200mA (Inverting Regulator)
- 12V Output at 15mA (Positive-Charge Pump Regulator)
- -10V Output at 15mA (Negative-Charge Pump Regulator)
- -2.49V Output at 100mA (VCOM Buffer)
- The EV kit components will fit the 2.1MHz frequency. For using 420kHz, HW changes are needed.
- Spread Spectrum
- Dedicated GUI
- Full Sequencing Flexibility
- Proven PCB Layout
- Fully Assembled and Tested
Typische Anwendungen
- TFT-LCD power supply
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Pins | Typ | L(mm) | H(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 2.2 µH, 4.05 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität2.2 µH | Performance Nennstrom4.05 A | Sättigungsstrom 14.45 A | Sättigungsstrom @ 30%8.4 A | Gleichstromwiderstand61 mΩ | Eigenresonanzfrequenz49 MHz | MontageartSMT | Pins2 | – | Länge4.45 mm | Höhe1.8 mm | – | – | Betriebstemperatur -40 °C up to +125 °C | ||||
| WE-LHMI SMT Speicherdrossel, 10 µH, 3.75 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität10 µH | Performance Nennstrom3.75 A | Sättigungsstrom 15 A | Sättigungsstrom @ 30%9.8 A | Gleichstromwiderstand85 mΩ | Eigenresonanzfrequenz15 MHz | MontageartSMT | – | – | Länge7.3 mm | Höhe2.8 mm | – | – | Betriebstemperatur -40 °C up to +125 °C | ||||
 | WR-PHD Stiftleisten - Zweireihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Zweireihig | – | – | – | – | – | – | MontageartTHT | Pins10 | TypGerade | Länge12.7 mm | – | Nennstrom3 A | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C |