| Description | The uP9511R is an 8/7/6/5/4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9511R provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load curr... |
| Features |
include adjustable soft-start, channel current limit, under voltage protection, over voltage protection and power good output. The uP9511R is available in VQFN5x540L package.
Ordering Information
Features
Support NVIDIA’s Open VReg Type 8 PWMVID Technology
Selectable 8/7/6/5/4/3/2/1-Phase Operation by Hardware Setting
Differential Remote Voltage Sensing Continuous Inductor DCR Current Sensing Voltage
Adjustment Switching Frequency Adjustment Operating Phase Number Adjustment Adjustable Current Balancing by RDS(ON) Current
Sensing Adjustable Soft-Start Optimize for Phase Exte...
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| Datasheet |
 uP9511R Datasheet - 333.04KB |
| Part Number | Description |
|---|---|
 uPI Semiconductor |
3/2/1-Phase Synchronous-Rectified Buck Controller The uP9510 is a 3/2/1-phase synchronous-rectified buck controller specifically designed to work with 10.8V ~ 13.2V input voltage and deliver high quality output voltage for high-performance graphic processor power. The uP9510 adopts proprietary RCOTTM technology, providing flexible selection of output LC filter and excellent transient response to load and line change. The uP9510 supports NVIDIA Open Voltage Regulator2+ with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage, and the output voltage is precisely regulated to the reference input. The uP9510 integrates two bootstrapped MOSFET gate drivers and one PWM output achieving optimal balance ... |
uPI Semiconductor |
8/7/6/5/4/3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9511 is an 8/7/6/5/4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9511 provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9511 supports NVIDIA Open Voltage Regulator 8 with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The uP9511 adopts continuous total DCR current sensing for load line programming. The uP9511 provides ... |
uPI Semiconductor |
8/7/6/5/4/3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9512 is an 8/7/6/5/4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9512 provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9512 supports NVIDIA Open Voltage Regulator type 4i+ with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The integrated SMBus interface provides user the flexibility to optimize the performance and ef... |
uPI Semiconductor |
4/3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9512Q is a 4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9512Q provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9512Q supports NVIDIA Open Voltage Regulator with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The integrated SMBus interface provides user the flexibility to optimize the performance and efficiency. The u... |
uPI Semiconductor |
8/7/6/5/4/3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9512R is an 8/7/6/5/4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9512R provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9512R supports NVIDIA Open Voltage Regulator type 4i+ with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The integrated SMBus interface provides user the flexibility to optimize the performance and... |
uPI Semiconductor |
4/3/2/1-Phase Synchronous-Rectified Buck Controller Features The uP9512S is a 4/3/2/1-phase PWM controller specifically designed to provide high-precision output voltage system for next generation GPUs. The uP9512S provides programmable output voltage and active voltage positioning functions to adjust the output voltage as a function of the load current, so it is optimally positioned for a load current transient. The uP9512S supports NVIDIA Open Voltage Regulator with PWMVID feature. The PWMVID input is buffered and filtered to generate accurate reference voltage and the output voltage is precisely regulated to the reference input. The integrated SMBus interface provides user the flexibility to optimize the performance and efficiency. The u... |