BV1HL045EFJ-CE2

Power Distribution Switches, Load Drivers Overview

The BV1HL045EFJ-CE2 is a high-side power switch IC from ROHM Semiconductor, designed for automotive power distribution. It features four independent output channels with a maximum continuous current limit of 2.5 A per channel. The device operates within a supply voltage range of 6 V to 28 V and supports a drain-source voltage up to 45 V. Key electrical parameters include a maximum on-resistance of 60 mΩ, a maximum turn-on time of 120 µs, and a maximum turn-off time of 120 µs. It functions across an extended junction temperature range from -40°C to +150°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates four independent high-side N-channel switches for multi-load power distribution management.
• Includes built-in overcurrent protection with limitation characteristics to safeguard connected loads.
• Features thermal shutdown protection with self-restart capability to ensure system reliability under fault conditions.
• Provides diagnostic error flag output to indicate abnormal states such as overcurrent or overheating events.

Power Distribution Switches, Load Drivers Applications

• Automotive body electronics load switching
• Power distribution units in vehicle architectures
• High-side switching for lighting and actuator circuits
• General purpose power management in automotive ECUs

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix CE2 against the official ROHM datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with HTSOP-J8 mounting requirements. Confirm that the 2.5 A current limit aligns with the target load profile. Check for any regional regulatory compliance documentation required for automotive integration projects.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when multiple isolated high-side outputs are required within a single package footprint. The 60 mΩ on-resistance offers low conduction losses for moderate current applications. Consider the 120 µs switching speed for timing-sensitive control loops. Evaluate the 4-channel configuration against alternative discrete solutions for board space optimization.

Power Distribution Switches, Load Drivers Part Context

This part belongs to ROHM's Gen2 high-side switch family, optimized for automotive functional safety support. It complements other variants like the BV1HB series by offering multi-channel capability rather than single-channel high-current performance. The device is AEC-Q100 qualified, ensuring suitability for harsh automotive environments requiring robust thermal and electrical stability.

Power Distribution Switches, Load Drivers Replacement Considerations

The BV1HL045EFJ-C is listed as an alias or predecessor variant. Verify pinout and parameter equivalence before substitution. No direct cross-model replacements are documented in the provided data; consult ROHM for updated design-in alternatives if discontinuation occurs.