Controller IC Chip - RT8562BGQW RT8562B 8562 RT8562 ( DW=** ) QFN 20 Chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0963) The RT8562B is a 40V 8-CH LED driver capable of delivering 30mA to each channel with 10 LEDs (3.6V per diode), total of 80 LEDs with one driver. The RT8562B is a current mode boost converter opearated at 1MHz, wide VIN range covers from 4.5V to 24V and the on-chip current switch is rated at 2.5A. The PWM output voltage loop regulates the LED pins to 0.6V with an auto-adjustment circuit allowing voltage mismatches between LED strings. The RT8562B automatically detects and disconnects any unconnected and/or broken strings during operation from PWM loop to prevent VOUT from over voltage. The 1.5% matched LED currents on all channels are simply programmed with a resistor or a current sink. A very high contrast ratio true digital PWM dimming can be achieved by driving PWM pin with a PWM signal. Other protecting features include programmable output over

https://www.itsys.gr/controller-ic-chip-rt8562bgqw-rt8562b-8562-rt8562-dw-qfn-20-chip-for-laptop-olokliromeno-tsip-foritoy-ypologisti-kod-1-chip0963-html