TPS61252DSGR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	PDA's, Portable Audio/Video, Smartphones
Current - Supply:	--
Voltage - Supply:	2.3 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-WSON (2x2)
Base Part Number:	TPS61252

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Introduction:TPS61252DSGR is a power management integrated circuit (PMIC) designed and engineered by Texas Instruments. This chip is specially designed to address the varying needs of Low Dropout (LDO) regulators, Battery Charger and Portable Power Management Systems.Application Field:TPS61252DSGR is mainly used to distribute power and regulate electrical current for mobile devices, such as tablets, cellular phones, and digital cameras. Additionally, it is fully capable of supplying power to numerous other devices like digital cameras, global positioning satellites (GPS), and automotive systems. Moreover, this low dropout regulator is suitable for applications that require high-voltage and low-noise operation, like point-of-load racing (POL), LED light curing systems, and audio amplifiers. Furthermore, TPS61252DSGR is the perfect solution for applications that need high accuracy and high long-term stability.Description and Features:The TPS61252DSGR provides an adjustable and a fixed output voltage. Its output voltage is selectable via a resistor divider, and its typical output voltage range can be adjusted from 0.88V to 5.50V. It also offers a low quiescent current and power efficiency rating of up to 91% to help minimize total system power consumption. Moreover, special programmable features like soft start, pre-bias operation, and power saving mode give the circuit the edge over other linear regulators.Additionally, TPS61252DSGR features multiple protection features, such as input over-voltage, output short-circuit, and thermal shutdown. Due to these features, the device offers maximum system reliability. It also has an optional enable pin for system power control. This pin can also be used to implement a power-on reset with a hold-off time of 150 ns.Working Principle:The TPS61252DSGR features a regulated output voltage that is set through an external resistor divider. The device is designed to provide high accuracy and excellent long-term stability. When the TPS61252DSGR is enabled, it automatically bounds the input voltage to a predetermined voltage point, which is controlled by an external resistor divider. This provides the device with a wide input voltage range of up to 6 V.The device also utilizes a current-mode control architecture to regulate the output voltage. This architecture gives the TPS61252DSGR superior current limiting capability and excellent load regulation. This makes the device an ideal solution for applications that involve various load conditions.Conclusion:The TPS61252DSGR is a power management integrated circuit that is designed to distribute power and regulate electrical current for mobile devices. It is suitable for applications that require high voltage, low noise and high accuracy and long-term stability. It features adjustable and fixed output voltage, a low quiescent current and efficiency ratings of up to 91%. Moreover, the device also features input over-voltage, output short-circuit, and thermal shutdown protection. The device utilizes a current-mode control architecture for output voltage regulation. Overall, the TPS61252DSGR is an ideal solution for portable MIDs and other low power applications.

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