L6207N

Full Half-Bridge (H Bridge) Drivers Overview

The L6207N is a DMOS dual full bridge motor driver designed for brush DC and stepper motor control applications. It integrates two independent constant off-time PWM current controllers for chopping regulation. The device operates with a supply voltage range of 8 V to 52 V and delivers a peak output current of 5.6 A, with a continuous DC current rating of 2.8 A per channel. It features an on-resistance of 0.3 Ω typical at Tj= 25 °C and supports operating frequencies up to 100 KHz. The component includes non-dissipative overcurrent protection, thermal shutdown, undervoltage lockout, and cross-conduction protection.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates two independent constant off-time PWM current controllers for precise chopping regulation
• Features non-dissipative overcurrent protection on high-side Power MOSFETs
• Includes slow decay synchronous rectification and integrated fast freewheeling diodes
• Provides comprehensive fault protection including thermal shutdown and undervoltage lockout

Full Half-Bridge (H Bridge) Drivers Applications

• Brushed DC motor control systems
• Bipolar stepper motor drivers
• Voltage regulator circuits

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific package type required for the design, as the L6207 series is available in multiple form factors such as PowerSO-36 and SOIC-24. Confirm that the selected variant matches the intended mounting style and pin configuration. Ensure compatibility with the system's voltage and current requirements before finalizing procurement.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when designing motor drives requiring integrated PWM current control and robust protection features. It is suitable for applications needing a wide supply voltage range and high peak current capability. Consider the thermal management requirements due to the power dissipation characteristics of the DMOS technology used in the construction.

Full Half-Bridge (H Bridge) Drivers Part Context

The L6207 belongs to the L62xx family of DMOS dual full bridge drivers from STMicroelectronics. These devices are realized in BCD technology, combining isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. This integration allows for compact designs with enhanced functionality compared to discrete solutions.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Compatible substitutes within the L62xx family include the L6207Q, which offers similar electrical characteristics. Other related drivers like the L6205 or L6206 may be considered if PWM current control is not required.