LB1948MC-ZH

Overview

The LB1948MC-ZH is a fully integrated bipolar motor driver manufactured by onsemi, designed for controlling brushed DC and two-phase stepper motors. It operates within a supply voltage range of 2.5V to 16V and delivers an output current of 800mA. The device features four half-bridge outputs with parallel interface control. It is housed in a 10-MFPS surface-mount package and functions reliably across a temperature range of -20°C to 85°C.

Feature Summary

• Fully integrated design combining control logic and power stages
• Supports forward/reverse operation for brushed DC motors
• Capable of driving two-phase bipolar stepper motors
• Low saturation voltage drive characteristics

Applications

• General-purpose brushed DC motor control
• Two-phase stepper motor actuation
• Motion control electronic circuits
• Signal circuit interfaces requiring motor drivers

Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified partners. Confirm the specific suffix matches project requirements. Note that this part number may be subject to end-of-life status; check current availability and lifecycle notices before finalizing designs. Ensure storage conditions comply with moisture sensitivity level specifications.

Selection Notes

Select this component when a compact, low-voltage solution for bipolar motor control is required. The 10-MFPS package suits space-constrained PCB layouts. Consider the 800mA output limit and 16V maximum voltage rating against load requirements. Verify thermal management needs given the operating temperature range and integration level.

Part Context

This component belongs to the LB1948 family of motor drivers from onsemi. It serves as a specialized integrated circuit for motion control applications, distinct from general-purpose logic ICs. The device integrates necessary gate drivers and protection features into a single small outline package, simplifying system design compared to discrete solutions.

Replacement Considerations

Check for direct pin-compatible substitutes within the same product family if available. Review datasheets for equivalent electrical parameters such as voltage range and current capacity. Verify package compatibility and thermal performance before substitution.