TPS51632QRSMTQ1

Series:	Automotive, AEC-Q100, D-CAP+™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, NVIDIA Tegra®
Voltage - Input:	2.5 V ~ 24 V
Number of Outputs:	1
Voltage - Output:	0.5 V ~ 1.52 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	32-VFQFN Exposed Pad
Supplier Device Package:	32-VQFN (4x4)

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## IntroductionTPS51632QRSMTQ1 is a special purpose voltage regulator designed for use in high current applications such as LED lighting, DC/DC converters and voltage regulation applications. It offers a number of features that make it ideal for these applications, including wide input voltage range, high output current, low output noise and high efficiency.## Application FieldTPS51632QRSMTQ1 is a versatile and cost-effective voltage regulator solution. The input voltage range of 2.7V to 29V makes it suitable for a wide range of input sources, such as AC or DC power supplies, and it can provide up to 500 mA of continuous output current. This makes it ideal for applications such as LED lighting, DC/DC converters and voltage regulation applications.It is also suitable for automotive applications, such as power supply designs for vehicle entertainment systems and charging ports, thanks to its robust design and wide input voltage range. Furthermore, its low output noise, low dropout and high efficiency make it well suited for use in high current applications.## Working PrincipleThe input voltage of TPS51632QRSMTQ1 is converted to the desired output voltage through a switching converter based on pulse width modulation (PWM) regulation. This efficiency is achieved through the use of two low-side MOSFETs, two high-side MOSFETs, two filter inductors, and two output capacitors. The two MOSFETs switch on and off at a particular frequency and pulse width to regulate the output voltage.The switching frequency of the converter can be adjusted in order to optimize efficiency and reduce Switching losses. The frequency is synchronized with the input voltage to reduce EMI and improve the overall performance.The output voltage is monitored by a voltage feedback circuit, which adjusts the pulse width of the switch accordingly in order to regulate the output voltage. The output voltage is lowered when the current demand increases, while the output voltage is increased when the current demand decreases. This ensures that the output voltage remains stable regardless of load.## ConclusionTPS51632QRSMTQ1 is a versatile and cost-effective special purpose voltage regulator designed for high current applications such as LED lighting, DC/DC converters and voltage regulation applications. It offers a wide input voltage range, high output current, low output noise, and high efficiency. Its features make it well-suited for automotive applications, as well as other high current applications. The functionality of the regulator is achieved through a switching converter based on PWM regulation, which is synchronized with the input voltage to improve efficiency and reduce EMI. The output voltage is regulated by a feedback circuit, which adjusts the pulse width accordingly to maintain the output voltage.

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