Overview
The FUSB252UMX, produced by onsemi, is an integrated port protection switch designed specifically for USB Type-C applications. This device provides comprehensive protection and switching capabilities for High Speed Digital (HSD) and Configuration Channel (CC) pins. It ensures system safety by protecting against over-voltage, electrical overstress, and other potential hazards. The FUSB252UMX supports the USB Type-C Specification 1.2 and is suitable for a variety of portable electronic devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VDD Supply Voltage | -0.5 | 12.0 | V | |
| VICCx Voltage | -0.5 | 24 | V | |
| VHSD± Voltage | -5 | 16 | V | |
| Operating Temperature | -40 | 85 | °C | |
| Storage Temperature | -65 | 150 | °C | |
| Current Capability | 1 A | |||
| CC RON | 0.3 Ω | |||
| HSD RON | 5 Ω | |||
| Bandwidth | 1 GHz | |||
| Quiescent Supply Current (ICC) | 9 μA |
Key Features
- Fully integrated USB Type-C port protection, including High Speed Digital (HSD) and Configuration Channel (CC) protection.
- Supports USB Type-C Specification 1.2.
- Over-Voltage Protection (OVP) at 5.8 V typical to prevent Electrical Overstress (EOS) damage.
- Dead Battery support per the Type-C specification.
- Under-Voltage Lockout (UVLO) and thermal shutdown for added reliability.
- Low RON for CC switches (0.3 Ω typical) and HSD switches (5 Ω typical) to minimize signal attenuation.
- Wide -3 dB bandwidth of 1 GHz to maintain signal integrity and eye compliance.
- Low power operation with a quiescent supply current of 9 μA typical.
Applications
- Smartphones
- Tablets
- Laptops
Q & A
- What is the primary function of the FUSB252UMX?
The FUSB252UMX is an integrated port protection switch designed to protect High Speed Digital (HSD) and Configuration Channel (CC) pins in USB Type-C applications.
- What is the operating voltage range for the VDD supply?
The operating voltage range for the VDD supply is 2.7 V to 5.5 V.
- What level of over-voltage protection does the FUSB252UMX provide?
The FUSB252UMX provides over-voltage protection (OVP) at 5.8 V typical.
- Does the FUSB252UMX support dead battery scenarios?
- What is the bandwidth of the HSD switches in the FUSB252UMX?
The bandwidth of the HSD switches is 1 GHz.
- What are the typical on-resistances for the CC and HSD switches?
The typical on-resistance for the CC switches is 0.3 Ω, and for the HSD switches, it is 5 Ω.
- What is the maximum current capability of the FUSB252UMX?
The maximum current capability is 1 A.
- What are the common applications for the FUSB252UMX?
The FUSB252UMX is commonly used in smartphones, tablets, and laptops.
- Does the FUSB252UMX have thermal shutdown protection?
- What is the package type and dimensions of the FUSB252UMX?
The FUSB252UMX comes in a 16-lead Ultrathin Molded Leadless Package (UMLP) with dimensions of 1.8 x 2.6 mm.
