• The UCD7242RSJT is a digital dual - synchronous buck power driver, capable of driving two independent buck power supplies. 
• It integrates high - side MOSFETs, low - side MOSFETs, drivers, current - sensing circuitry, and necessary protection functions, 
• providing a complete power system in a single - chip solution.
• Wide Input Voltage Range: It has a wide input voltage range of 4.75 V to 18 V. 
• With an external bias supply, it can operate down to 2.2 V input, offering flexibility in different power supply scenarios.
• High - Current Output: It can deliver up to 10 A output current per channel, 
• meeting the high - current requirements of various applications.
• High Switching Frequency: The device can operate up to a 2 - MHz switching frequency, 
• which helps reduce the size of external passive components and improve power conversion efficiency.
• Internal Regulation and Protection: It features an onboard regulated 6 - V driver supply from $V_{IN}$. It also has thermal protection, 
• and the temperature - sense output provides a voltage proportional to the chip temperature. 
• Additionally, UVLO (under - voltage lockout) and OVLO (over - voltage lockout) circuits are included to ensure proper drive voltage. 
• There is also an accurate on - die current - sensing function with an accuracy of ± 5%.

Applications2

• Digital - Controlled Power Stages: It is suitable for digitally - controlled synchronous - buck power stages,
•  playing a crucial role in power - supply systems that require precise control and regulation.
• VRM/EVRD Regulators: 
• It is widely used in high - current dual - phase VRM (voltage - regulator module) / EVRD (embedded voltage - regulator module) regulators for desktop, 
• server, telecom, and notebook processors. It helps provide stable and efficient power supply for these high - performance processors.

Similar Models

• UCD7222: It is also a power driver from Texas Instruments. Similar to the UCD7242RSJT, 
• it is used in power - conversion applications. However, the UCD7222 might have differences in the number of channels, 
• output current capabilities, or specific protection features. For example, 
• it may have a different configuration in terms of the number of output channels,
•  which could be more suitable for applications that require a different channel - count or have different power - handling requirements.
• LM5116: Manufactured by Texas Instruments, 
• the LM5116 is a high - performance synchronous - buck controller with integrated high - and low - side gate drivers. 
• It shares similarities with the UCD7242RSJT in driving MOSFETs for buck - converter applications. 
• But the LM5116 may have different specifications in terms of input voltage range, 
• switching frequency, and output current. 
• It might be preferred in applications where specific requirements for these parameters do not match those of the UCD7242RSJT.
• TPS54331: This is another power - management IC from Texas Instruments. 
• While it is also involved in power - supply regulation and conversion, 
• it has its own unique features and parameter settings. Compared with the UCD7242RSJT, 
• the TPS54331 may have differences in the way it controls the power stage, the range of output voltages it can handle,
• or its efficiency characteristics at different loads. It could be a suitable alternative in applications where these specific characteristics are more favorable

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