LB1668-E

Overview

The LB1668-E is a bipolar motor driver integrated circuit manufactured by onsemi. It features a dual half-bridge output configuration designed for driving DC motors and other general loads. The device operates with a supply voltage range of 6.4V to 7V and supports load voltages of 12V and 24V. It utilizes a logic interface and is housed in a 14-MFPS surface-mount package. The component is rated for an operating temperature range from -30°C to 80°C (TA). This specific part number indicates the lead-free variant within the LB1668 family.

Feature Summary

• Dual half-bridge output architecture for independent control of two channels
• Bipolar technology optimized for reliable DC motor driving applications
• Logic interface compatibility for straightforward digital control integration

Applications

• DC motor control systems
• General purpose load switching
• Industrial automation equipment

Procurement Notes

Verify the exact suffix against official onsemi documentation, as the LB1668 series includes multiple variants such as the MPB-H package type. Confirm current availability status, as certain revisions may be end-of-life. Ensure the selected part matches the required thermal and electrical specifications for the target design environment before finalizing procurement.

Selection Notes

Select this component when a robust bipolar motor driver with dual half-bridge outputs is required for 12V or 24V systems. Consider the 14-MFPS package constraints for PCB layout. Evaluate the -30°C to 80°C operating temperature range against environmental conditions. Verify that the logic interface levels are compatible with the controlling microcontroller or processor signals.

Part Context

The LB1668 belongs to onsemi's portfolio of power management ICs specifically categorized under motor drivers and controllers. It serves as a dedicated solution for driving inductive loads such as DC motors. The family provides a balance of performance and simplicity for applications requiring isolated or semi-bridge drive capabilities without complex external circuitry.

Replacement Considerations

Publicly confirmed substitute part numbers for the LB1668-E are not available in the provided reference data. Designers should consult onsemi application notes or distributor databases for cross-reference recommendations based on pinout and electrical parameter compatibility.