Mp3378e Protection Pin Upd Link

The monitors the output voltage of the step-up converter via a resistive divider.

These pins monitor the current through the external MOSFET and the LED strings. If an inductor or diode shorts out, or if the current exceeds the limit set by the current-setting resistor, the IC immediately disables the driver to protect the internal circuitry and external components from melting. Critical Thresholds and Parameters mp3378e protection pin upd

Features specialized protection against inductor or diode shorts. Critical Pin Descriptions The monitors the output voltage of the step-up

Ensure the soft-start time (t_SS) is longer than the output rise time. Pin 8 (LED1): Monitoring for LED String 1

For hardware updates or drafting circuit schematics, the surrounding pinout for the protection circuit includes: Ground reference for the WLED controller. Pin 8 (LED1): Monitoring for LED String 1. Pin 9 (OVP): Over-voltage protection threshold input.

| Pin | Protection type | Interaction with PRO/UPD | |-----|----------------|---------------------------| | OVP | Over-voltage protection | Auto-restart or latch based on PRO | | ISET | Over-current protection | Same fault response logic | | VCC UVLO | Input under-voltage | Can be bypassed only if UPD enabled | | TS | Thermal shutdown | Always auto-recover (not affected by PRO) |

15.6” 4K LCD panel, MP3378E-based backlight driver. LCD image visible with flashlight test, but backlight entirely off.