| Description | 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 an... |
| 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 tw...
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| Datasheet |
 uP9529Q Datasheet - 319.13KB |
| 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 |
Dual Output 4+3-Phase PWM Controller 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 design flexibility. This part outputs PWM signal to external MOSFET driver to drive the buck power stage. The integrated SMBus interface programmability makes this part with high performance and easy design. Designer can define different power scenario for different current states to optimize the performance and efficiency. The uP9521R combines the true differential output voltage sense, differenti... |
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... |