The PI5USB8000QZHEX is a highly integrated USB power switch designed by Diodes Incorporated, tailored for applications that require power distribution and fault protection for USB ports. This advanced component is housed in a compact QFN-16 package, making it suitable for space-constrained designs where board real estate is at a premium.
Key Features
- Integrated Charging Port Controller: The device includes a built-in charging port logic controller that complies with both the USB Battery Charging Specification Rev. 1.2 and the Chinese Telecommunication Industry Standard YD/T 1591-2009, ensuring broad compatibility with USB charging protocols.
- Adjustable Current Limiting: Designers can configure the current limit to suit the needs of their specific application, providing flexibility and protection against overcurrent conditions.
- Over-Temperature Protection: The PI5USB8000QZHEX incorporates thermal shutdown protection that safeguards the device and connected peripherals from damage due to excessive heat.
- Under-Voltage Lockout (UVLO): This feature ensures that the device operates only when the supply voltage is within an acceptable range, preventing malfunction caused by low voltage conditions.
Applications
The PI5USB8000QZHEX is ideal for a wide range of applications, including but not limited to:
- Desktop and Laptop Computers
- Consumer Electronics
- USB Hubs and Docking Stations
- USB Wall Chargers and Power Adapters
- Point-of-Sale (POS) Systems
Technical Specifications
With an operating voltage range of 3.0V to 5.5V, the PI5USB8000QZHEX is versatile enough to be used in various USB-powered devices. It also features an IOUT (output current) capability of up to 2.5A, which is sufficient for most USB peripherals. The device's fast short-circuit response time ensures quick protection in the event of a fault, and the built-in charge pump supports N-channel MOSFETs for back-to-back switch configuration, providing data line and VBUS protection.
For developers and engineers looking for a reliable and efficient solution for USB power management, the PI5USB8000QZHEX from Diodes Incorporated offers a feature-rich option that can enhance the performance and safety of their USB interfaces.