Stick drift has been a PlayStation player's nightmare for years. This annoying glitch, which causes the character to move on its own or the camera to spin uncontrollably when you're not touching the sticks, has affected millions of DualSense controllers. But Sony seems to have finally found a definitive solution for the upcoming PlayStation 6. A patent registered at the end of last year and published this July reveals that the Japanese company plans to replace the traditional potentiometers with TMR (Tunnel Magnetoresistance) magnetic sensors , a technology that eliminates physical contact between parts and, therefore, the wear and tear that causes the dreaded drift.
The news has spread like wildfire through the community, and with good reason. According to documents uncovered by several specialized media outlets, the new joystick design not only promises to eliminate drift, but also improves precision and reduces battery consumption in wireless mode. Although Sony already attempted to mitigate the problem with the DualSense Edge and its interchangeable modules, this time the goal is to tackle the issue at its root. And this isn't the only patent pointing to a more reliable PS6: a few weeks ago, another one was leaked concerning a vapor cooling system that would replace the liquid metal of the current generation.
What is stick drift and why is it so difficult to avoid?
To understand the change, we first need to know what causes drift. Current controllers use potentiometers , components that measure the joystick's tilt through the physical friction of elements. With use, this friction wears down the surfaces, and the sensor ends up registering movement even when the joystick is at rest. It's an inherent design problem, and although it can be delayed with maintenance, it eventually appears. Sony's patent explains it clearly: by using a sensor that detects tilt without contact , movement can be detected with high precision even after prolonged use. In other words, goodbye to wear from friction.
TMR sensors are not new to the market. In fact, several third-party controllers already use them with excellent results, and they are considered superior to Hall-effect sticks because they consume less power, which is crucial for a wireless controller. The patent also details a spring-return mechanism that ensures the stick always returns to its center position, and a stabilization structure that maintains a stable magnetic field for pinpoint accuracy. Everything suggests that Sony has thoroughly studied existing solutions and adapted them to its own design.
What the patent and the PS3 precedent say
The official documents state: “With the proposed operating lever assembly and input device, since a tilt operating sensor is used that detects lever tilt in a non-contact manner, lever movement can be detected with high accuracy even under prolonged use.” Furthermore, it adds that “lever rotation is restricted by a locking mechanism, preventing the user's force from being wasted on unwanted rotations, thus improving operability.” These statements appear in multiple sources , confirming that the information is reliable and not just an isolated rumor.
Interestingly, this isn't the first time Sony has opted for magnetic joysticks. The first PlayStation 3 controllers, the Sixaxis and the early DualShock 3, used Hall-effect sensors that operated without contact. However, over time the company returned to potentiometers, likely for cost reasons. Now, with the more mature and cheaper TMR technology, it seems Sony is ready to get back on track. The community fondly remembers those PS3 controllers that barely suffered from drift, and hopes the PS6 will recapture that reliability.
Beyond the sticks: the PS6 would also improve cooling
The controller patent isn't the only sign that Sony wants a more robust console. Just a few weeks ago, another leaked document revealed a vapor cooling system for the PS6, which would replace the liquid metal in the PS5. The latter has caused thermal problems for many users, and the new design promises to be safer and more efficient. Both patents, the one for the analog sticks and the one for the cooling system, suggest that Sony is identifying and fixing the most criticized hardware flaws of the current generation before launching the next. However, the company hasn't officially confirmed that these technologies will make it into the final product, nor is there a release date for the PS6.
For now, gamers can breathe a sigh of relief. Knowing that Sony is actively working to eliminate stick drift, a problem that has led many to buy new controllers every few months, is great news. And while patents don't always materialize, the fact that there are multiple documents and that TMR technology is already tested in the market suggests that this time the change is real . We'll have to wait for Sony to confirm the details, but the future certainly looks brighter for gamers' thumbs.
