| Description | The CHL8326/8 are dual-loop digital multi-phase buck controllers. The CHL8326 drives up to 6 phases and the CHL8328 drives up to 8 phases. The CHL8326/8 is fully Intel® VR12 and AMD® SVI/PVI compliant on both loops and provides a Vtt tracking function for DDR memory. NVM storage saves pins and enabl... |
| 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 Detectio... |
| Datasheet |
 CHL8326 Datasheet - 103.04KB |
| Part Number | Description |
|---|---|
 CHiL Semiconductor |
DIGITAL MULTI-PHASE BUCK CONTROLLER The CHL8314 is a 4-phase digital multi-phase synchronous buck controller for core regulation of high-performance ® INTEL VR11.1 and VR11.0 platforms. The CHL8314 is fully compliant with VR11.1 including Power Status Indicator (PSI) and for improved light load efficiency and accurate current output (IMON). The CHiL CHL8314 includes a customized set of digital over-clocking features which require no external components. Gaming applications can use the SMBus interface to place the VRD into “Gamer Mode”. Gamer Mode features include Extended Gamer VID up to 2.3V with 6.25 mV resolution, Gamer Vmax, CPU VID Override or Track, Digital Load-Line adjust, Gamer OC/OVP and Gamer OFF pin. The CHL8314 de... |
CHiL Semiconductor |
DIGITAL MULTI-PHASE BUCK CONTROLLER The CHL8316 is a 6-phase digital synchronous buck controller for core regulation of high-performance INTEL® VR11.1 and VR11.0 platforms. The CHL8316 is fully compliant with VR11.1 including Power Status Indicator (PSI) and for improved light load efficiency and accurate current output (IMON). The CHiL CHL8316 includes a customized set of digital over-clocking features which require no external components. Gaming applications can use the SMBus interface to place the VRD into “Gamer Mode”. Gamer Mode features include Extended Gamer VID up to 2.3V with 6.25 mV resolution, Gamer Vmax, CPU VID Override or Track, Digital Load-Line adjust, Gamer OC/OVP and Gamer OFF pin. The CHL8316 deploys a numbe... |
CHiL Semiconductor |
DIGITAL MULTI-PHASE BUCK CONTROLLER The CHL8318 is a 8-phase digital synchronous buck controller for core regulation of high-performance INTEL® VR11.1 and VR11.0 platforms. The CHL8318 is fully compliant with VR11.1 including Power Status Indicator (PSI) and for improved light load efficiency and accurate current output (IMON). The CHiL CHL8318 includes a customized set of digital over-clocking features which require no external components. Gaming applications can use the SMBus interface to place the VRD into “Gamer Mode”. Gamer Mode features include Extended Gamer VID up to 2.3V with 6.25 mV resolution, Gamer Vmax, CPU VID Override or Track, Digital Load-Line adjust, Gamer OC/OVP and Gamer OFF pin. The CHL8318 deploys a numbe... |
 International Rectifier |
Digital Multi-Phase Buck Controller The CHL8318-20 is an 8-phase digital synchronous buck controller for core regulation of high-performance Intel® VR11.1 and VR11.0 platforms. The CHL8318-20 is fully compliant with VR11.1 including Power Status Indicator (PSI) and for improved light load efficiency and accurate current output (IMON). The IR CHL8318-20 includes a customized set of digital over-clocking features which require no external components. Gaming applications can use the SMBus interface to place the VRD into “Gamer Mode” to extend VID up to 2.3V with 6.25 mV resolution. The CHL8318-20 deploys a number of efficiency shaping features such as variable MOSFET gate drive versus load, programmable PSI modes for optimum ligh... |
CHiL Semiconductor |
DIGITAL MULTI-PHASE BUCK CONTROLLER The CHL8325A/B are dual-loop digital multi-phase buck controllers that drive up to 5 phases. The CHL8325A/B is fully Intel® VR12 and AMD® SVI compliant on both loops and provides a Vtt tracking function for DDR memory. NVM storage saves pins and enables a small package size. The CHL8325A/B includes the CHiL Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. CHiL Variable Gate Drive optimizes the MOSFET gate drive voltage as a function of real-time load current. CHiL Dynamic Phase Control adds/drops active phases based upon load current. The CHL8325A/B can be configured to enter 1-phase operation and active diode emulation mode automa... |
CHiL Semiconductor |
DIGITAL MULTI-PHASE BUCK CONTROLLER The CHL8325A/B are dual-loop digital multi-phase buck controllers that drive up to 5 phases. The CHL8325A/B is fully Intel® VR12 and AMD® SVI compliant on both loops and provides a Vtt tracking function for DDR memory. NVM storage saves pins and enables a small package size. The CHL8325A/B includes the CHiL Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. CHiL Variable Gate Drive optimizes the MOSFET gate drive voltage as a function of real-time load current. CHiL Dynamic Phase Control adds/drops active phases based upon load current. The CHL8325A/B can be configured to enter 1-phase operation and active diode emulation mode automa... |
International Rectifier |
Digital Multi-Phase Buck Controller 6-phase & 8-phase dual output PWM Controller Phases are flexibly assigned between Loops 1 & 2 Intel® VR12, AMD® 3.4MHz SVI/PVI & Memory modes Overclocking & Gaming Mode with Vmax setting Switching frequency from 200kHz to 1.2MHz per phase IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads IR Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost Auto-Phase Detection with auto-compensation Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP I2C/SMBus/PMBus system interface for telemetry of Temperatu... |
CHiL Semiconductor |
DIGITAL MULTI-PHASE GPU BUCK CONTROLLER The CHL8326/8 are dual-loop digital multi-phase buck controllers. The CHL8326 drives up to 6 phases and the CHL8328 drives up to 8 phases. The CHL8326/8 is fully Intel® VR12 and AMD® SVI/PVI compliant on both loops and provides a Vtt tracking function for DDR memory. NVM storage saves pins and enables a small package size. The CHL8326/8 includes the CHiL Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. CHiL Variable Gate Drive optimizes the MOSFET gate drive voltage based on realtime load current. CHiL Dynamic Phase Control adds/drops phases based upon load current. The CHL8326/8 can be configured to enter 1-phase operation and act... |
International Rectifier |
Digital Multi-Phase Buck Controller 6-phase & 8-phase dual output PWM Controller Phases are flexibly assigned between Loops 1 & 2 Intel® VR12, AMD® 3.4MHz SVI/PVI & Memory modes Overclocking & Gaming Mode with Vmax setting Switching frequency from 200kHz to 1.2MHz per phase IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads IR Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost Auto-Phase Detection with auto-compensation Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP I2C/SMBus/PMBus system interface for telemetry of Temperatu... |