TPS2105D

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Source Selector Switch
FET Type:	N and P-Channel
Ratio - Input:Output:	2:1
Internal Switch(s):	Yes
Current - Output (Max):	500mA, 100mA
Current - Supply:	18µA
Voltage - Supply:	2.7 V ~ 5.5 V
Applications:	Handheld/Mobile Devices
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	TPS2105

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PMIC - OR Controllers, Ideal Diodes

The TPS2105D is a versatile integrated controller and driver device for use in ORing applications. This device provides a cost-effective solution for power management systems that require an ORing implementation, such as those used in fault tolerant systems.The TPS2105D provides a number of features that minimize the need for external components when used in a power management system. It integrates two channels of ORing control, with independently programmable turn-on and turn-off delays, as well as a high-side gate driver with fault detection. The device also includes reverse blocking FETs, which simplify the design of power modules in which high-side voltage compensation is required. The TPS2105D is designed to be used in a wide variety of power management applications. It can be used as an OR controller in any number of applications, including distributed power systems, telecommunications, and computing systems. In addition, the device can be used as an ideal diode in applications such as vehicle power systems, battery powered devices, and uninterruptible power supplies (UPSs).In a power management application, the TPS2105D’s primary role is to provide an ORing point, for example a dual power supply system. This ORing point enables one of the available power supplies to take over the loads if one of the supplies fails, or if the supplies are coming from a different source. The TPS2105D performs this ORing function and also provides fault detection and protection, which helps to ensure that power from the back-up source can be supplied quickly and reliably when needed.The TPS2105D also provides integrated drive and control logic, which simplifies power system design. This logic includes turn-on and turn-off delays, fault detection, and high-side gate drivers. In addition, the device also integrates reverse-blocking FETs, which are used to manage the high-side voltage compensation in power modules. The integrated high-side gate drivers and fault detection circuitry provide improved system reliability, as well as a simplified system design which reduces parts count and cost. The fault detection circuitry detects both high and low-side faults, and also includes an open drain status output which can be used to indicate a fault condition.In summary, the TPS2105D is a versatile integrated controller and driver device which has many applications in power management systems. The device provides a cost-effective solution for ORing applications, as well as fault detection and protection. It is designed to be used in distributed power systems, telecommunications, and computing systems, as well as in vehicle power systems, battery powered devices, and uninterruptible power supplies (UPSs). Its key features, such as turn-on and turn-off delays, fault detection, and high-side gate drivers, simplify power system design, while also providing improved system reliability.

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