TDA21101G

Full Half-Bridge (H Bridge) Drivers Overview

The TDA21101G is a high-speed half-bridge gate driver designed for dual power MOSFETs. It operates within a supply voltage range of 10.8V to 13.2V and supports load voltages from 5V to 13.2V. The device utilizes Power MOSFET technology and is housed in an 8-pin DSO package. Key electrical characteristics include PWM interface compatibility and integrated fault protection mechanisms such as over-temperature shutdown and under-voltage lockout (UVLO).

Full Half-Bridge (H Bridge) Drivers Feature Summary

• High-speed driving capability optimized for dual power MOSFET applications.
• Integrated bootstrapping circuitry for efficient high-side switching.
• Built-in over-temperature and under-voltage lockout protection.

Full Half-Bridge (H Bridge) Drivers Applications

• DC-DC converters
• Half-bridge motor drive circuits

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix (e.g., AUMA1) against the manufacturer's current datasheet to confirm pinout and functional equivalence, as suffixes may indicate variations in packaging or revision status. Confirm RoHS compliance requirements with the supplier prior to ordering. Check for end-of-life notifications or discontinuation notices directly from Infineon Technologies to ensure long-term availability for production cycles.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a compact half-bridge solution with integrated protection is required for low-voltage DC-DC conversion. Ensure the input signal matches the PWM interface specifications. Verify that the operating temperature range aligns with the system's thermal environment. Consider the DSO-8 package constraints for PCB layout and thermal dissipation needs relative to the expected load current.

Full Half-Bridge (H Bridge) Drivers Part Context

The TDA21101G belongs to Infineon's ISOFACE family of gate drivers, although it is a non-isolated variant. It serves as a specialized power management IC within the broader PMIC category. This part is distinct from isolated gate drivers like the TDA21215, focusing on cost-effective, high-speed control for synchronous rectification and half-bridge topologies in consumer and industrial electronics.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Consult official Infineon cross-reference guides for verified substitutes. Generic replacements may lack identical UVLO thresholds or propagation delays. Verify package compatibility if substituting with other SOIC-8 variants.

Full Half-Bridge (H Bridge) Drivers FAQ

What type of protection does the TDA21101G include?

It includes over-temperature protection and under-voltage lockout (UVLO).

Is the TDA21101G an isolated gate driver?

No, it is a standard half-bridge driver without galvanic isolation.