V P IN GND GL V CGND IN S V CC SiC654, SiC654A www.vishay.com Vishay Siliconix 50 A VRPower Integrated Power Stage (Datasheet in Brief) DESCRIPTION FEATURES The SiC654 and SiC654A are high frequency integrated Highly efficient - Thermally enhanced PowerPAK MLP55-31L package power stage optimized for synchronous buck applications to offer high current, high efficiency, and high power densit y - Vishays latest TrenchFET technology and low sid e MOSFET with integrated Schottky diode performance with very low shutdown current. Packaged in Vishays 5 mm x 5 mm MLP package, SiC654 and SiC654 A - Integrated, low impedance, bootstrap switch enable voltage regulator designs to deliver up to 50 A - Power MOSFETs optimized for 19 V input stage continuous current per phase. - Supports PS4 mode light load requirement with low shutdown supply current (5 V, 3 A) - Zero current detection for improved light load efficiency The internal power MOSFETs utilize Vishays latest Highly versatile TrenchFET technology that delivers industry benchmark - 5 V and 3.3 V PWM logic with tri-state and hold-off timer performance to significantly reduce switching and conduction losses. - 5 V DSBL , ZCD EN logic with PS4 state support - High frequency operation up to 2 MHz Robust and reliable The SiC654 and SiC654A incorporates an advance d - Delivers in excess of 50 A continuous current, MOSFET gate driver IC that features high current driving 70 A, peak (10 ms) and 100 A, peak (10 s) capability, adaptive dead-time control, an integrated - Over current protection bootstrap switch, and user selectable zero current detection - Over temperature flag to improve light load efficiency. The driver is also compatible with a wide range of PWM controllers, supports tri-state - Over temperature protection PWM, and 5 V / 3.3 V PWM logic. - Under-voltage lockout protection - High side MOSFET short detection Effective monitoring and reporting The device also supports PS4 mode to reduce power consumption when the system is in standby state. - Accurate temperature reporting - Warnings and faults reporting flag Material categorization: for definitions of compliance The SiC654 and SiC654A offer operating temperatur e please see www.vishay.com/doc 99912 monitoring, protection features, and warning flags that improve system monitoring and reliability. APPLICATIONS Multi-phase VRDs for computing, graphics card an d memory Intel core processor power delivery -V , V , V CORE GRAPHICS SYSTEM AGENT -V CCGI Up to 24 V rail input DC/DC VR modules TYPICAL APPLICATION DIAGRAM V 5V IN BOOT PHASE ZCD EN V SWH V DSBL Gate OUT PWM driver controller PWM T /FAULT MON Fig. 1 - Typical Application Diagram S21-0584-Rev. D, 14-Jun-2021 Document Number: 77110 1 For technical questions, contact: powerictechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000SiC654, SiC654A www.vishay.com Vishay Siliconix PRODUCT SUMMARY Part number SiC654 SiC654A 50 A Power stage plus, 2.5 V to 24 V , 5 V P with 50 A Power stage plus, 2.5 V to 24 V , 3.3 V P in WM in WM Description ZCD mode with ZCD mode Input voltage min. (V) 2.5 2.5 Input voltage max. (V) 24 24 Current rating (A) 50i 50 Switch frequency max. (kHz) 2000 2000 Enable (yes / no) Yes Yes Monitoring features T /FAULT Monitor T /FAULT Monitor MON MON Protection OCP, OTP, UVLO OCP, OTP, UVLO Light load mode ZCD ZCD Pulse-width modulation (V) 5 3.3 Package type PowerPAK MLP55-31L PowerPAK MLP55-31L Package size (W, L, H) (mm) 5 x 5 x 0.75 5 x 5 x 0.75 Status code 1 1 Product type VRPower (DrMOS) VRPower (DrMOS) Multi-phase VRDs for computing, graphics Multi-phase VRDs for computing, graphics card card and memory and memory Applications Intel core processor power delivery Intel core processor power delivery Up to 24 V rail input DC/DC VR modules Up to 24 V rail input DC/DC VR modules To request the full version of the datasheet, please contact: ICmarketing vishay.com Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package / tape drawings, part marking, and S21-0584-Rev. D, 14-Jun-2021 Document Number: 77110 2 For technical questions, contact: powerictechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000