UP9512S UP9512Q UP9512P UP9512R Series GPU PWM Controller IC

UP9512 Series ICs are high-performance multi-phase PWM (Pulse Width Modulation) controller ICs manufactured by uPI Group Inc. (uPI / UPI Semi). These ICs are primarily used in GPU power delivery circuits, especially in laptops and discrete graphics cards, where precise and stable voltage regulation is critical.

The UP9512 series is commonly found in next-generation GPU designs, including NVIDIA-based platforms, supporting PWMVID control, active voltage positioning (AVP), and accurate multi-phase current balancing. Because of this, it is a frequently required IC in laptop and GPU motherboard repair, especially for no display, GPU not powering, or unstable voltage issues.

This is created as one combined product entry, covering all common UP9512 variants used interchangeably depending on board design.

Applications

• Laptop GPU power circuits

• Discrete graphics cards (NVIDIA platforms)

• High-performance notebook motherboards

• GPU voltage regulation & power sequencing

• Professional motherboard & GPU repair

UP9512 Series Variants Covered

• UP9512S

• UP9512Q

• UP9512P

• UP9512R

• Multi-phase PWM controller for GPU power rails

• Designed for high-current GPU voltage regulation