LB1845L-E

Overview

The LB1845L-E is a bipolar stepper motor driver manufactured by onsemi, designed for precise motion control applications. It operates within a supply voltage range of 5 V to 18 V and supports a maximum collector current of 1.6 A. The device utilizes a SIP-10 through-hole package with physical dimensions of 24 mm in length, 3.25 mm in width, and 6.5 mm in height. It functions reliably across an operating temperature range from -25 °C to +75 °C.

Feature Summary

• Integrated bipolar stepper motor driver functionality
• Supports operation at supply voltages up to 18 V
• Capable of driving loads with currents up to 1.6 A

Applications

• Bipolar stepper motor control systems
• Precision positioning mechanisms
• Industrial automation equipment

Procurement Notes

Verify the specific suffix 'E' against official datasheets to confirm exact electrical characteristics and pinout configuration. Ensure that the selected component meets the required thermal management specifications for the intended operating environment. Confirm compliance with relevant industry standards prior to integration into final designs.

Selection Notes

Select this component when a robust, through-hole solution for bipolar stepper motors is required. Consider the 1.6 A current limit and 18 V maximum voltage as primary constraints. Evaluate the SIP-10 package suitability for the target PCB layout and assembly process requirements.

Part Context

This part belongs to onsemi's discrete transistor and power management portfolio, specifically categorized under motor drivers. It serves as a dedicated interface between logic-level control signals and higher-power stepper motor windings, facilitating reliable operation in embedded systems.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic equivalents may differ in current handling or voltage ratings.