| Description | The uP9521R is an IMVP8 compliant desktop CPU voltage regulator controller that integrates a 4-phase PWM controller for Vcore and a 3-phase PWM controller for VccGT. The Vcore controller can be configured as 4/3/2/1phase and the VccGT controller can be configured as 3/2/ 1-phase for platform power d... |
| Features |
Intel® IMVP8 Compatible Support S-Line Desktop CPU Thermal Sense with VRHOT# Indication
RCOT+TM Control Topology Easy Setting Smooth Mode Transition Fast Transition Response
External MOSFET Driver Enable Control Support Operation Phase Disable Function
Vcore: 4/3/2/1-Phase PWM Outputs VccGT: 3/2/1-Phase PWM Outputs Built-in ADC for Platform Parameter Setting Selectable SMBus Device Address Selectable Vboot Voltage Operation Phase Extension Function SMBus Interface for Performance and Efficiency Optimization Dynamic Programmable VR Parameters Programmable Pro...
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| Datasheet |
 uP9521R Datasheet - 696.72KB |
| Part Number | Description |
|---|---|
 uPI Semiconductor |
4/3/2/1+3/2/1-Phase PWM Controller The uP9521Q is an IMVP8 compliant desktop CPU voltage regulator controller that integrates a 4-phase PWM controller for Vcore and a 3-phase PWM controller for VccGT. The Vcore controller can be configured as 4/3/2/1phase and the VccGT controller can be configured as 3/2/ 1-phase for platform power design flexibility. This part outputs PWM signal to external MOSFET driver to drive the buck power stage. The uP9521Q combines the true differential output voltage sense, differential inductor DCR current sense, input voltage feedforward sense and adaptive voltage positioning to provide accurately regulated power for desktop CPU. It adopts uPI’s proprietary RCOT+TM (Robust Constant On-Time) topolog... |
uPI Semiconductor |
2-Phase PWM Controller The uP9523R is an Intel® IMVP9 compatible 2-phase PWM voltage regulator controller for mobile/desktop platform application. This device has two embedded 5V MOSFET drivers with integrated bootstrap diodes. The controller supports 2/1-phase configuration to provide flexibility in platform power design. This device combines true differential output voltage sense, inductor DCR current sense, input voltage sense and adaptive voltage positioning to provide accurately regulated power for mobile/desktop CPU. It adopts uPI's proprietary RCOT+TM (Robust Constant On-Time) control topology to have fast transient response and smooth mode transition. The uP9523R supports selectable voltage regulator param... |
uPI Semiconductor |
3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9529Q is a 3/2/1-phase PWM controller specifically designed to work with 3V ~ 20V input voltage and deliver high quality output voltage for high performance graphic processor power. The uP9529Q adopts proprietary RCOTTM technology, providing flexible selection of output LC filter and excellent load transient response. The uP9529Q supports NVIDIA Open Voltage Regulator type 3i+ with PWMVID interface. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The uP9529Q is capable of supporting two types of applications, the advanced DrMOS power module with current reporting function, ... |