The PS2251-07 is built to be a cost-effective bridge between a host computer and NAND flash memory. Its key specifications include:
gets dangerously hot, how its firmware panics, and the exact steps you can take to revive the drive or recover your critical data.
The Phison PS2251-07 (also widely referred to in production environments as the PS2307) is a highly prominent single-chip USB 3.0 flash drive controller. Developed by Phison Electronics Corporation, this hardware became a staple of the portable storage market due to its cost-effective architecture and high compatibility with various NAND flash memory types. However, it also gained immense notoriety within the cybersecurity and hardware modification communities as one of the primary controllers susceptible to the infamous "BadUSB" vulnerability. Architecture and Commercial Role phison ps225107ps2307 hot
: The primary mass production tool used to reflash firmware. You will need a specific "Burner" (BN07 "Firmware" (FW07 * file tailored to your controller and memory type. Phison Format & Restore
Utilizing an internal microcontroller to handle physical layer communication and logical block mapping. The PS2251-07 is built to be a cost-effective
In lab tests, a Kingston DataTraveler G4 (PS2251-07) writing a 20GB file reached 75°C (167°F) on the plastic case surface. The internal die temperature likely exceeded 90°C.
This is the section for enthusiasts. To permanently solve the problem, you must modify the hardware. You will need a specific "Burner" (BN07 "Firmware"
During long read/write sessions, the controller consumes more power, generating heat that compact plastic enclosures struggle to dissipate.
| Specification | Details | |---|---| | Interface | USB 3.1 Gen 1 (SuperSpeed, up to 5Gbps) | | Backward Compatibility | USB 2.0 High-Speed (480Mbps), USB 1.1 Full-Speed (12Mbps) | | Flash Channels | Single channel | | CE (Chip Enable) Support | Up to 4 CE | | Flash Memory Support | SLC, MLC, TLC; 3X/2X/1X nm process; 2D and 3D NAND | | Flash Interface | ONFI 3.0, Toggle 2.0 DDR | | ECC Correction | Built-in BCH ECC | | Package | TQFP64 or EP-LQFP48 | | Power Supply | 4.5V–5.5V, with built-in regulator for 3.3V/1.8V flash I/O | | Additional Features | Dynamic/Static wear-leveling, Power Saving, multi-partition support |