CHL8316

PRELIMINARY PRODUCT BRIEF CHL8316 DIGITAL MULTI-PHASE BUCK CONTROLLER FEATURES Intel VR11.x compliant Digital PWM Controller Programmable 1-phase to 6-phase operation Configurable switching frequency from 200 kHz to 1MHz per phase with accuracy better than 5% Customized Digital Over-Clocking Features o Easy-to-use SMBus Gamer command o Gamer VID control up to 2.3V, Gamer Vmax, VID Override or Track, Digital Load-Line Adjust, Gamer OC/OVP, Gamer OFF pin, Gamer OTP CHiL Efficiency Shaping Features o Variable Gate Drive o Dynamic Phase Control 1-phase to 2-phase PSI for Light Loads Adaptive Transient Algorithm minimizes output bulk capacitors Enables Thermal Phase Balancing SMBus Fault Indicators: OVP, UVP, OCP, OTP SMBus interface for configuring and monitoring; SMBus commands include monitoring input current and power Compatible with CHiL ATL Drivers and tri-state Drivers +3.3V supply voltage; 0ºC to 85ºC operation RoHS Compliant, MSL level 1 package IRTN1 ISEN1 IRTN2 ISEN2 IRTN3 ISEN3 IRTN4 ISEN4 IRTN5 ISEN5 IRTN6 ISEN6 48 47 46 45 44 43 42 41 40 39 38 37 RCSP RCSM VCC VCPU VRTN SADDR/ GAMER_OFF IMON RRES VINSEN TSEN EN V18A 1 2 3 4 5 6 7 8 9 10 11 12 CHiL CHL8316 48 Pin 7mmx 7mm QFN TOP VIEW GND 36 VCC 35 PWM6 34 PWM5 33 PWM4 32 PWM3 31 PWM2 30 PWM1 29 NC 28 VCC 27 VAR_GATE 26 VR_HOT 25 VR_READY 13 14 15 16 17 18 19 20 21 22 23 24 SALERT# SDA SCL PSI# VID7 VID6 VID5 VID4 VID3 VID2 VID1 VID0 Figure 1. CHL8316 48 Pin QFN Package DESCRIPTION The CHL8316 is a 6-phas...