TPS650250RHBT

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Power Management
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Fault Protection:	Over Temperature
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	32-VFQFN Exposed Pad
Supplier Device Package:	32-VQFN (5x5)
Base Part Number:	TPS650250

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PMIC - Battery Management: TPS650250RHBT Application Field and Working Principle

Power management integrated circuit (PMIC) is a device that integrates several power management functions into onesmall package. PMIC can help maximize system efficiency, reduce power consumption, and extend battery life.A popular PMIC product is the Texas Instruments TPS650250RHBT, which integrates multiple powermanagement functions for power-sensitive applications. This article will discuss the application field andworking principle of TPS650250RHBT.

Application Field

The TPS650250RHBT is a compact and powerful PMIC designed for powering up embedded systemsincluding mobile phones and tablets. It enhances the performance of power systems by delivering powermore efficiently and with less power loss. The PMIC features two voltage regulators, two buck converters,three low- dropout (LDO) linear regulators, and one 1.5A ultra-low quiescent current buck to support awide variety of power requirements.This PMIC also provides a real-time current monitor solution that enables system designers to monitorinput current levels in real-time to implement electro- mechanical control of power systems. TheTPS650250RHBT can operate on supplies ranging from 5V up to 28V and can deliver up to 6A ofcontinuous current.

Working Principle

The TPS650250RHBT is equipped with two voltage regulators, two buck converters, three low-dropout(LDO) linear regulators, and one 1.5A ultra-low quiescent current buck. Each of these power deviceshas its own set of parameters that can be adjusted to optimize the power system output.The first voltage regulator is used to adjust the voltage from a higher input voltage of up to 28V to aconstant, lower output voltage. The adjustable output voltage is regulated by an external bias resistorwhich determines the output voltage. The two buck converters are used to convert the input voltage to a lower output voltage. Theswitch-mode converter configuration allows for a fast, efficient conversion with a minimum of energy lostduring the process.The three linear regulators convert input voltages to a lower output voltage while also providing ahigh level of accuracy. The LDO is designed to minimize power losses and reduce the power dissipationof the regulator. The 1.5A ultra-low quiescent current buck device is designed to minimize power dissipation in powersystems by drawing only a minimal amount of current when the system is inactive. The device candeliver up to 6A of continuous current and is ideal for powering low-power devices.

Conclusion

The TPS650250RHBT from Texas Instruments is a highly efficient PMIC specifically designed forpower-sensitive applications. It features two voltage regulators, two buck converters, three low-dropoutlinear regulators, and one 1.5A ultra-low quiescent current buck. Each of these power devices has itsown set of adjustable parameters that enable system designers to optimize the performance of theirpower system. The device offers a wide operating input voltage range and can deliver up to 6A ofcontinuous current.

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