Texas Instruments TPS28225DRBR

The TPS28225 is a high-speed, dual MOSFET driver with independent gate control that can drive both high-side and low-side switches, making it suitable for various power management applications. It operates with a supply voltage range of 4.5V to 15V, offering strong output drive capabilities and fast switching speeds, which are critical for efficient power conversion. Functions - Gate Driving: Capable of driving N-channel MOSFETs with high peak output currents. - Independent Outputs: Allows for separate control of high-side and low-side MOSFETs. - Low Shoot-Through: The driver includes features to minimize shoot-through current during switching. - Under-voltage Lockout (UVLO): Prevents operation under insufficient supply voltage conditions. - Thermal Shutdown: Provides protection against excessive temperatures. Applications - Power Supply Circuits: Ideal for synchronous buck converters and other DC-DC converters. - Motor Drives: Can be used in applications requiring high-speed MOSFET switching. - Solar Inverters: Applicable in renewable energy systems for efficient energy conversion. - Class D Audio Amplifiers: Can be employed in high-efficiency audio amplifier designs. Alternative Parts 1. TPS28224: Similar features but with variations in output drive and timing specifications. 2. LTC7000: An alternative from Analog Devices; designed for MOSFET driving in similar applications. 3. MIC4427: Microchip solution with somewhat different characteristics; suitable for high-speed applications. 4. IRF7710: A MOSFET driver that works efficiently with N-channel MOSFETs in power applications. Embedded Modules The TPS28225 may be found as part of various reference designs or evaluation modules from Texas Instruments, which can offer guidance for usage in specific applications or systems. Examples include: - TPS28225EVM: Evaluation module for evaluating TPS28225's performance under real-world conditions. - Power Management Development Kits: Kits often include various drivers, including the TPS28225, aimed at simplifying the design process. Q&A 1. Q: What is the primary function of the TPS28225? A: The TPS28225 functions primarily as a dual MOSFET driver designed to control the gate of N-channel MOSFETs in various power management applications. 2. Q: What applications can the TPS28225 be used for? A: The TPS28225 is commonly used in DC-DC converters, motor drives, solar inverters, and Class D audio amplifiers. 3. Q: Does the TPS28225 have any protective features? A: Yes, the TPS28225 includes under-voltage lockout (UVLO) to protect against low supply voltage and thermal shutdown to prevent overheating. 4. Q: What is the maximum supply voltage for the TPS28225? A: The TPS28225 operates within a supply voltage range of 4.5V to 15V. 5. Q: Are there alternative parts to the TPS28225 with similar features? A: Yes, alternatives include the TPS28224, LTC7000, and MIC4427, each offering varying specifications suitable for driving MOSFETs.