CHL8328

PRODUCT BRIEF PRELIMINARY CHL8326/8 DIGITAL MULTI-PHASE GPU BUCK CONTROLLER FEATURES  6-phase & 8-phase dual output PWM Controller  Phases are flexibly assigned between Loops 1 & 2  Intel® VR12, AMD® SVI/PVI/G34 & Memory modes  Overclocking & Gaming Mode with Vmax setting  Switching frequency from 200kHz to 1.2MHz per phase  CHiL Efficiency Shaping Features including Variable Gate Drive, Dynamic Phase Control  Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads  CHiL Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost  Designed for use with coupled inductors  Auto-Phase Detection with auto-compensation  Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP  I2C/SMBus/PMBus system interface for telemetry of Temperature, Voltage, Current & Power for both loops  Non-Volatile Memory (NVM) for custom configuration  Compatible with CHiL ATL and 3.3V tri-state Drivers  +3.3V supply voltage; 0ºC to 85ºC ambient operation  Pb-Free, RoHS, 7x7 48 pin & 8x8 56 pin QFN packages GPO_A1 / CBOUT2 GPO_B_PSI1 / VID[5]2 SV_ALERT1 / VID[4]2 SV_DIO1 / SVDVID[2]2 VR_HOT#1 / VRHOT_ICRIT#2 ENABLE temperature sensing with VRHOT signal. The CHL8326/8 also includes numerous features like register diagnostics for fast design cycles and platform differentiation, truly simplifying VRD design and enabling fastest time-to-market with its “set-and-forget” methodology. IRTN1 ISEN1 IRTN2 ISEN2 IRTN3 ISEN...