LF2388BTR

Overview

The LF2388BTR is a three-phase half-bridge gate driver manufactured by Littelfuse (formerly IXYS). It integrates three floating high-side drivers in bootstrap operation up to 600V. The device features 420mA source and 750mA sink output current capabilities, with typical rise and fall times of 45ns and 25ns respectively. It operates on a 10V to 20V supply voltage and supports CMOS/TTL logic inputs. Packaged in a 20-SOIC, it functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates three independent half-bridge drivers for complete three-phase control
• Supports bootstrap operation for high-side driving up to 600V
• Provides asymmetric peak output currents for optimized switching performance
• Compatible with standard CMOS and TTL logic input levels

Applications

• Three-phase motor control systems
• Power inverter circuits
• Industrial drive applications

Procurement Notes

Verify the manufacturer designation, as this component was originally produced by IXYS Integrated Circuits before acquisition by Littelfuse. Confirm the specific suffix 'BTR' indicates the tape-and-reel packaging format. Ensure compatibility with the target PCB footprint for the 20-SOIC package. Check for RoHS compliance status if required by project specifications.

Selection Notes

Select this driver when a single-package solution for three-phase bridge control is required. It is suitable for designs needing high-voltage isolation via bootstrap techniques. Consider the peak output current limits for the connected MOSFET or IGBT gate capacitance. Verify that the operating voltage range aligns with the system's power supply rails.

Part Context

This component belongs to the LF2388 series of three-phase half-bridge drivers. It is designed to simplify the implementation of power stages in motor drives and inverters. The integration of three drivers reduces board space compared to discrete solutions. It serves as a key interface between low-voltage control logic and high-power switching devices.

Replacement Considerations

Check for direct pin-compatible alternatives from Littelfuse or other manufacturers offering similar three-phase half-bridge configurations. Ensure replacement parts match the 600V high-side capability and output current specifications. Verify package dimensions for the SOIC-20 form factor.