Controller IC Chip - MOSFET RT8885AZQW RT8885A chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0985) Dual Output 3-Phase + 2-Phase PWM Controller For CPU and GPU Core Power Supply The RT8885A is a dual output 3-phase + 2-phase PWM controller with 3 integrated MOSFET gate drivers and a single SVID interface for CPU and GPU core power supply. This part complies with Intel VR12/IMVP7 Pulse Width Modulation Specification. The RT8885A adopts G-NAVPTM (Green-Native AVP), which is a Richtek proprietary topology derived from finite DC gain compensator in constant ontime control mode. G-NAVPTM makes this part an easysetting PWM controller to meet all Intel mobile CPU/GPU AVP (Active Voltage Positioning) requirements. The RT8885A uses SVID interface to control an internal 8-bit DAC for output voltage programming. The built-in high accuracy DAC converts the VID code to a reference voltage ranging from 0V to 1.52V with 5mV step voltage. The system accuracy of the controller reach

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