CHL8266
CHL8266 is DIGITAL MULTI-PHASE GPU BUCK CONTROLLER manufactured by CHiL Semiconductor.
PRODUCT BRIEF
DIGITAL MULTI-PHASE GPU BUCK CONTROLLER
Features
- GPU pliant Digital PWM Controller
- Programmable 1-phase to 6-phase operation
- Configurable switching frequency from 200 k Hz to
1MHz per phase with accuracy better than 2%
- CHi L Dynamic Phase Control
- 1-phase to 2-phase PSI for Light Loads
- Adaptive Transient Algorithm minimizes output bulk capacitors
- Enables Thermal Phase Balancing
- SMBus interface for configuring and monitoring
- patible with CHi L ATL Drivers and tri-state Drivers
- Nine bytes of NVM storage available for customer use
- +3.3V supply voltage; 0ºC to 85ºC Ambient operation
- Ro HS pliant, 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 1 RCSM 2
VCC 3 VGPU 4 VRTN 5 SADDR 6
TP2 7 RRES 8 VINSEN 9 TSEN 10
EN 11 V18A 12
CHi L CHL8266
48 Pin 7mmx 7mm
QFN TOP VIEW
36 VCC 35 PWM6 34 PWM5 33 PWM4 32 PWM3 31 PWM2 30 PWM1 29 NC 28 VCC 27 NC 26 VR_HOT 25 VR_READY
13 14 15 16 17 18 19 20 21 22 23 24
DESCRIPTION
The CHL8266 is a 6-phase digital synchronous buck controller for regulation of high-performance GPU platforms. The CHL8266 output VID table is fully pliant with VR11.1 specifications.
The CHL8266 deploys a number of efficiency shaping...
