OR Controllers, Ideal Diodes

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	Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Type	FET Type	Ratio - Input:Output	Current - Output (Max)	Voltage - Supply	Applications	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
	TPS2121RUXR PWR MGMT BATTERY MGMT Texas Instruments	12,530 In Stock	1 : $2.37000 Cut Tape (CT) 3,000 : $1.22161 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Source Selector Switch	N-Channel	2:1	4.5A	2.8V ~ 22V	General Purpose	-40°C ~ 125°C (TJ)	Surface Mount	12-VFQFN	12-VQFN-HR (2x2.5)
	TPS2121RUXT PWR MGMT BATTERY MGMT Texas Instruments	1,731 In Stock	1 : $2.79000 Cut Tape (CT) 250 : $1.61888 Tape & Reel (TR)	-	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Source Selector Switch	N-Channel	2:1	4.5A	2.8V ~ 22V	General Purpose	-40°C ~ 125°C (TJ)	Surface Mount	12-VFQFN	12-VQFN-HR (2x2.5)

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Ideal diode controllers, also called OR'ing controllers, are devices designed to control an external pass transistor (usually a FET) in a manner that allows current flow in only one direction, similar to a rectifier diode but with significantly lower conduction loss. Among other applications, they are commonly used for providing reverse-flow protection in power supplies designed to be connected in parallel for sake of redundancy or increased output current capability.