OCVPB21-13F6

Overview

The OCVPB21-13F6 is an integrated protection device for USB interfaces, combining ESD, overvoltage (OVP), and overcurrent (OCP) safeguards with an input rectification bridge. It supports wearable and IoT applications by managing charging conditions regardless of cable orientation. Key electrical parameters include ±15 kV contact ESD protection on bridge inputs and ±12 kV on data lines. The OVP rating reaches ±13 V, while the externally adjustable OCP ranges from 100 mA to 500 mA. The device features a typical on-resistance of 6 Ω for USB 2.0 data lines and operates within a temperature range of -30°C to 65°C.

Feature Summary

• Integrated polarity detection and rerouting via a 13 V input rectification bridge for inverted cable handling
• High-level ESD immunity exceeding IEC 61000-4-2 Level 4 standards on both power and data lines
• Externally configurable overcurrent protection allowing design flexibility for various charging currents
• Open-drain FLAG output signal indicating thermal shutdown, overvoltage, or overcurrent events

Applications

• USB interface protection in wearable electronic devices
• IoT device charging circuit protection
• Battery charging systems requiring bidirectional cable support

Procurement Notes

Verify the specific ordering suffix and package variant against the official STMicroelectronics datasheet before procurement. Confirm that the WLCSP 13-bump configuration matches your PCB layout requirements. Ensure external components for OCP adjustment are selected within the specified 100 mA to 500 mA range to maintain compliance with the device's operational limits.

Selection Notes

Select this component when designing USB charging ports that require robust protection against electrostatic discharge and voltage spikes without relying on external diodes for polarity correction. It is suitable for space-constrained designs due to its WLCSP packaging. Consider the external OCP setting capabilities if precise current limiting thresholds are required for specific battery management systems.

Part Context

This part belongs to STMicroelectronics' portfolio of integrated protection solutions for consumer electronics. It addresses the growing need for reliable USB connectivity in compact wearable and IoT devices where traditional discrete protection components consume excessive board space. The integration of rectification and protection functions simplifies the schematic and reduces overall system complexity.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should consult STMicroelectronics technical support for potential alternatives if this specific model becomes unavailable.

FAQ

How does the device handle USB cable inversion?

It utilizes an integrated 13 V input rectification bridge to detect polarity and automatically reroute connections, ensuring proper operation regardless of how the cable is inserted.

What is the function of the FLAG output pin?

The open-drain FLAG output provides status information regarding critical events, including thermal shutdown, overvoltage conditions, overcurrent faults, or incomplete startup phases.