ISL61851JCBZ

Hot Swap Controllers Overview

The ISL61851JCBZ is a dual-channel hot swap voltage controller designed for USB applications, manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 2.3V to 5.5V and features an internal current limit of 1.5A per channel. The device is housed in an 8-SOIC package with a width of 3.90mm. It supports surface mount installation and functions within a commercial temperature range of 0°C to +70°C. The IC draws a maximum supply current of 50 µA and includes built-in protection mechanisms such as UVLO and fault timeout.

Hot Swap Controllers Feature Summary

• Dual-channel architecture supporting independent control of two USB ports
• Integrated internal power switches for compact board design
• Automatic retry functionality following fault conditions
• Thermal limiting and undervoltage lockout protection

Hot Swap Controllers Applications

• USB port power management
• Hot swap circuit protection
• Overcurrent protection circuits

Hot Swap Controllers Procurement Notes

Verify component status carefully as the ISL61851JCBZ is officially listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary markets, noting that standard packaging quantities may not apply. Ensure compatibility with existing designs before procurement due to potential discontinuation impacts on long-term supply chain stability.

Hot Swap Controllers Selection Notes

Select this component for designs requiring dual-channel USB hot swap control with integrated FETs. Consider the 8-SOIC package constraints and commercial temperature limits. Evaluate alternative active components if long-term production support is required, as this specific part number indicates obsolescence in official catalogs.

Hot Swap Controllers Part Context

This device belongs to the ISL6185XXC series of hot swap controllers from Renesas/Intersil. It serves as a power management IC within the broader PMIC category, specifically targeting portable electronics and peripheral interfaces requiring safe insertion and removal under load conditions.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.