MC33926ES

Overview

The MC33926ES is a SMARTMOS monolithic H-bridge power IC designed for automotive and industrial motor control applications. It operates within a supply voltage range of 5 V to 28 V and supports continuous output currents up to 5 A per channel. The device features two independent half-bridge outputs, enabling full H-bridge configuration for brushed DC motors. It includes integrated overcurrent protection with temperature-dependent threshold reduction, output short-circuit protection, and internal pull-up/pull-down resistors to define default states for floating inputs. Qualified to AEC-Q100 standards, it ensures reliability in harsh environments.

Feature Summary

• Integrated SMARTMOS technology provides robust H-bridge driving capabilities with built-in diagnostic and protection features.
• Internal constant off-time PWM current limiting regulates output current while preventing thermal overload.
• Built-in source/sink resistors on all inputs ensure defined default states when signals are floating.

Applications

• Automotive electronic throttle control systems
• Exhaust gas recirculation (EGR) valve actuators
• Turbocharger vane/flap control mechanisms
• Industrial and medical pump motor drives

Procurement Notes

Verify the specific suffix designation against official NXP documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint and reflow profile requirements. Confirm that the selected variant meets the necessary AEC-Q100 qualification levels for your target application environment.

Selection Notes

Select this component for applications requiring a single-chip solution for brushed DC motor control with integrated protection. It is suitable where space constraints favor an H-bridge integration over discrete MOSFET designs. Consider the 5 A current capability and 28 V maximum rating when sizing for load requirements.

Part Context

The MC33926 belongs to NXP's portfolio of high-current motor drivers tailored for automotive powertrain and chassis systems. It complements other H-bridge solutions like the HB2001 by offering a cost-effective, non-SPI programmable alternative for standard motor control tasks without complex digital interface overhead.

Replacement Considerations

Public confirmed substitute part numbers: None identified in provided documentation.