TPS2148IDGN

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	USB, Peripherals
Current - Supply:	75µA
Voltage - Supply:	2.9 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package:	8-MSOP-PowerPad
Base Part Number:	TPS2148

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Introduction

The TPS2148IDGN is a Power Management Integrated Circuit (PMIC) from Texas Instruments used for providing low-power DC/DC conversions. It is primarily used in portable consumer electronics and automotive applications, but also finds use in other consumer electronics and industrial applications. This article will discuss the application field and working principle of the TPS2148IDGN PMIC.

Application Field

The TPS2148IDGN is ideal for applications that require cost-effective and efficient power management solutions. It is DSP (Digital Signal Processing) selected for low-power applications, which are either system powered or battery powered. It enables power supply design flexibility, integrating multiple independent step-down DC/DC converters in one footprint and saving board space. Moreover, it has adjustable power saving modes that help to reduce system power consumption. The TPS2148IDGN can be seen in many consumer electronics and automotive applications, such as portable computers, phones, tablets, and navigation systems. It can also be found in industrial applications, including HVAC (heating, ventilation and air conditioning), white goods, solar systems and charging stations.

Working Principle

The TPS2148IDGN is designed to operate on an input voltage range of 3 V to 45 V. It uses an internal switch to transfer power from input to output, enabling efficient power conversion and improved power efficiency. It includes an integrated Low Current Mode Controller and a Low Drop Out (LDO) regulator for system sequencing, power optimization, and power savings. The PMIC includes two buck converters and one boost converter. The two buck converters feature integrated Power Path management, which allows bidirectional power transfer between input and output, allowing for improved system efficiency. The boost converter is adjustable, allowing for precise output voltage regulation. Furthermore, the TPS2148IDGN integrates an advanced thermal management system that provides precise control of the buck and boost converters with thermal shutdown protection. It uses an integrated Power Mode Segment (PMS) to control the priority of the converters when in low-power mode. In addition, it also has precise control of the temperature to ensure safe operation.

Conclusion

The TPS2148IDGN is a powerful and flexible PMIC designed to provide efficient and cost-effective power management solutions for a wide variety of applications. It has adjustable power saving modes to help reduce system power consumption and a wide input voltage range for improved power efficiency. Moreover, it also offers integrated Power Path management and advanced thermal management for precise control. The TPS2148IDGN is typically seen in portable consumer electronics and automotive applications, but also finds use in other consumer electronics, such as HVAC, white goods, solar systems and charging stations. This article has discussed the application field and working principle of the TPS2148IDGN to provide an overview of its capabilities and applications.

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