Free digital pilot logbook

All Skylegs users have permanent access to the free digital pilot logbook platform.

Free electronic pilot logbook
Free electronic pilot logbook
Flightmap from digital pilot logbook
Flightmap from digital pilot logbook
Statistics from electronic pilot logbook
Statistics from electronic pilot logbook
Licenses from online pilot logbook platform
Licenses from online pilot logbook platform

Ilpi354 Va Schematic Upd Free Jun 2026

What (e.g., R901, IC901, C923) are you tracing?

The updated ILPI354 VA schematic boasts several notable features, including:

Disclaimer: Repairing electronics, especially power supplies, involves high voltages. Ensure the unit is unplugged and capacitors are discharged before working on it. ilpi354 va schematic upd

| Pin | Name | Function Description | |------|---------------|----------------------------------------------------------------------------------| | 1 | COMP | Compensation pin – connects to an RC network for loop stability. | | 2 | VFB | Voltage feedback input – from optocoupler (TL431). Inverts output voltage sense. | | 3 | ISENSE | Current sense input – monitors MOSFET source current via a resistor (0.22–0.47Ω).| | 4 | RT/CT | Oscillator timing – resistor to GND, capacitor to Vref sets switching frequency. | | 5 | GND | Ground – return for both power and control signals. | | 6 | OUT | Gate driver output – connects to MOSFET gate (series resistor ~10–22Ω). | | 7 | VCC | Power supply – filtered DC voltage (typically 12–18V). | | 8 | VREF | 5V reference output – for external circuits (max 20mA). |

Early manufacturing runs may rely on specific legacy surface-mount PWM controllers, while the updated schematic tracks changes to universal equivalents like the TL494 family. What (e

Overload on secondary or failed TL431/optocoupler.

Recap the entire low-voltage rail section using high-quality, low-ESR capacitors (e.g., Nichicon, Panasonic) rated for 105°C. (Backlight drops after turning on) | Pin | Name | Function Description |

Faulty backlight inverter transformer, open high-voltage capacitor, or degraded backlight lamps.

What specific changes have been made in the update? Understanding the nature of the updates (e.g., performance enhancements, bug fixes, new features) is crucial.

The ILPI354 is a manufactured by brands like ILP (International Lightning Products) and found in generic Chinese power supply modules. It is functionally similar to the ubiquitous UC3842/3843 series but with optimized internal compensation and lower startup current.

Automatic flight log

All of the flights you performed in the Skylegs Operator Account (via the operations module) sync automatically with your logbook. For this reason, the process becomes much faster for the pilots. Therefore, there is no need to manually log flights, except from flights that are done outside of your main organisation.

Multiple logbooks

Wish Skylegs electronic pilot logbook, you can have multiple logbooks, one for each kind of aircraft. As an illustration, you can have airplane, helicopter, ultralight, glider and drone logbooks. Start them from scratch by entering past flights, or you may choose to import an existing logbook or simply enter your total hours to start tracking future flights.

Flight map & statistics

Visualise where you have been before. See all of the flights you have completed on an interactive map. View your personal statistics on graphics that are grouped by period of time, aircraft type, flight crew function, destination, type of operation and others.

Pilot licenses & exams

Skylegs Pilot Account is not only used for the electronic pilot logbook. You can also enter all of your licenses details, medical examinations, qualifications and ratings. Monitor their expiry dates from a single place.

Paper logbook

Would you like to keep physical copies of your logbook? That is possible. All you need is to download the digital file in Excel or PDF format and print.