PRODUCT BRIEF PRELIMINARY CHL8326/8 DIGITAL MULTI-PHASE GPU BUCK CONTROLLER
FEATURES
6-phase & 8-phase dual output PW...
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...