| Description | 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 ... |
| Features |
5-phase dual output PWM Controller Phases are flexibly assigned between Loops 1 & 2 Intel® VR12, AMD® SVI/G34 & Memory MPoL modes Dual OCP support for I-spike enhanced AMD CPUs SMB_Alert Pin for Servers PMBus Address pin or Variable Gate Drive (CHL8325A) 2nd Temperature Sense for VR12 Desktop (CHL8325B) Overclocking & Gaming Mode with Vmax setting Switching frequency from 200kHz to 1.2MHz per phase CHiL Efficiency Shaping Features including Variable Gate Drive (CHL8325A only), Dynamic Phase Control Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads ...
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| Datasheet |
 CHL8325B Datasheet - 87.01KB |
| Part Number | Description |
|---|---|
 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 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... |
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... |