TPS51622RSMR

Series:	D-CAP+™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, Intel VR12.6
Voltage - Input:	4.5 V ~ 28 V
Number of Outputs:	1
Voltage - Output:	0.5 V ~ 2.3 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	32-VFQFN Exposed Pad
Supplier Device Package:	32-VQFN (4x4)
Base Part Number:	TPS51622

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TPS51622RSMR Application Field and Working Principle

The TPS51622RSMR is a quad-output voltage regulator designed to provide precisely regulated output voltages and current limits in an ultra-compact power supply system, and it is capable of supporting varied low-voltage processor loads. It belongs to the category of PMIC (Power Management ICs) - Voltage Regulators - Special Purpose. This model is highly configurable with options for output voltage and current limit programming, regulation accuracy, and several features to protect the system from various external disturbances such as surges and thermal overloads.The TPS51622RSMR can be used in a variety of medium-power applications, such as regulating rail voltages for PCs, servers, embedded systems and medical equipment, providing multiple output currents, meeting CPU power demands and other I/O circuitry requirements. The TPS51622RSMR’s function and flexibility make it a desirable choice for high-performance consumer electronic systems and portable applications.One of the advantages of the TPS51622RSMR is its ability to be configured for different output voltages, currents, and accuracy requirements. This feature makes it ideal for applications where the exact output voltage and/or current are not known. However, the application board should be designed carefully as to not exceed the current limit of the TPS51622RSMR in order to guarantee proper operation. Special attention should also be given to the selection of external components to ensure proper operation and stability.The core component of the TPS51622RSMR is the regulator IC itself. This IC contains two integrated DC-DC converters, one for the main output and one for the secondary output, which are connected to a selector switch, allowing the user to choose the desired power configuration. Internally, the IC has a voltage reference generator, comparator and drivers, which adjusts the output voltage and current limit levels based on the feedback voltage.The device also contains a thermal shutdown protection circuit, which will shut down or reduce the output current if the operating temperature exceeds the programmed temperature limit. In the case of overcurrent protection, the chip is programmed with a specific current level and will shut down the IC or reduce the output current if the programmed current level is exceeded. Additionally, the device contains an active circuit to withstand external voltage surges (typically up to 10V) and also contains both overvoltage and undervoltage protection circuits to protect the system from various external disturbances.Overall, the TPS51622RSMR is an advanced power management IC which allows for precise voltage and current control and extensive protection features to ensure reliability and safety in the most demanding of applications. Its flexibility and ability to be used in a variety of medium-power applications make it an ideal choice for those looking for a cost-effective and reliable solution.

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