BUS1DJC3GWZ-E2

Power Distribution Switches, Load Drivers Overview

The BUS1DJC3GWZ-E2 is a single-channel ultra-small high-side load switch IC manufactured by ROHM Semiconductor. It integrates a P-channel MOSFET with an active-high control input, supporting supply voltages from 1.1 V to 5 V. The device delivers a maximum output current of 2 A with a typical on-resistance of 140 mΩ. Key electrical parameters include a maximum turn-on time of 190 µs and a maximum turn-off time of 25 µs. It operates within a temperature range of -30°C to +85°C and is housed in the UCSP30L1-4 package.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates a P-channel MOSFET for high-side switching applications
• Features built-in soft-start circuitry to limit inrush current during activation
• Includes short-circuit protection mechanisms to prevent device damage under fault conditions
• Utilizes an ultra-small footprint suitable for space-constrained designs

Power Distribution Switches, Load Drivers Applications

• Portable electronic devices requiring efficient power distribution
• Battery-powered systems needing low standby current consumption
• General-purpose load switching in consumer electronics
• Embedded systems with limited board real estate

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix (E2) against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering quantity matches the standard taping packaging requirements specified by ROHM. Cross-reference the part number with authorized distributors to avoid counterfeit components. Confirm that the application voltage does not exceed the absolute maximum ratings defined in the official documentation.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a compact high-side switch with integrated protection is required. The active-high logic simplifies interface with standard microcontrollers. Consider the 140 mΩ on-resistance for thermal management in high-current scenarios. The UCSP30L1-4 package offers a balance between size and thermal performance. Evaluate the 2 A current limit against peak load demands to ensure reliable operation without triggering protection circuits unnecessarily.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the BUS1DJC series of load switches designed for portable applications. The series emphasizes miniaturization and energy efficiency. The BUS1DJC3GWZ-E2 variant specifically targets markets requiring robust protection features in a minimal form factor. It complements other ROHM power management solutions for complete system integration.

Power Distribution Switches, Load Drivers Replacement Considerations

Consult the ROHM official cross-reference list for verified substitutes. Ensure any replacement maintains the same UCSP30L1-4 package dimensions and pin configuration. Verify that alternative parts support the 1.1 V to 5 V operating range and provide equivalent short-circuit protection characteristics.