A current of 1.1A running continuously requires adequate copper cross-sectional area to prevent trace overheating. Utilizing the IPC-2152 standard for a conservative 10∘C10 raised to the composed with power C temperature rise on a standard 1 oz/ft² (

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Placed in parallel directly after the F4901 fuse. It clamps unexpected high-voltage spikes (ESD or inductive kickback) to ground, momentarily drawing high current to force the F4901 to trip if the surge persists. Decoupling/Filter Capacitor ( C4901cap C sub 4901

While display backlights are the primary use case, you may also find this specification safeguarding: Logic lines for high-speed external ports.