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TCA9548A 8-Channel I2C Switch

Texas Instruments TCA9548A 8-Channel I²C Switch has eight bidirectional translating switches, which can be controlled through the I²C bus. The SDA/SCL upstream pair fans out to eight downstream channels or pairs. Any individual SDn/SCn channel or a combination of channels can be selected, which is determined by the contents of the programmable control register. These downstream channels can be used to resolve any I²C slave address conflicts. If eight identical digital temperature sensors are needed in the application, one sensor can be connected at each channel: 0–7.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Product	Number of Switches	Configuration	On Resistance - Max	Operating Supply Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Qualification	Packaging
	Switch ICs - Various 8-channel 1.65- to 5 .5-V I2C/SMBus swit TCA9548ADGSR Texas Instruments 1: $1.08 2,067In Stock 5,000Expected 2026/11/19 New Product	Mfr. Part No. TCA9548ADGSR Mouser Part No 595-TCA9548ADGSR New Product	Texas Instruments	Switch ICs - Various 8-channel 1.65- to 5 .5-V I2C/SMBus swit Learn More about Texas Instruments ti tca9548a 8 channel i2c switch	Datasheet	2,067In Stock 5,000Expected 2026/11/19	Cut Tape $1.08 $0.783 $0.707 $0.625 View Reel $0.563 $0.584 $0.563 $0.563 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 5,000			Bidirectional Translating Switches	8 Switch		70 Ohms	1.8 V, 2.5 V, 3.3 V, 5 V	- 40 C	+ 85 C	SMD/SMT	VSSOP-24		Reel, Cut Tape, MouseReel
	Switch ICs - Various 8-Channel I2C Switch TCA9548APWR Texas Instruments 1: $1.49 18,000In Stock	Mfr. Part No. TCA9548APWR Mouser Part No 595-TCA9548APWR	Texas Instruments	Switch ICs - Various 8-Channel I2C Switch Learn More about Texas Instruments ti tca9548a 8 channel i2c switch	Datasheet	18,000In Stock	Cut Tape $1.49 $1.03 $0.95 $0.861 Reel $0.729 View $0.813 $0.783 $0.769 $0.715 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Bidirectional Translating Switches	8 Switch		70 Ohms	1.65 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	TSSOP-24		Reel, Cut Tape, MouseReel
	Switch ICs - Various Automotive 8-channel 1.65- to 5.25v I2C/ TCA9548ARGERQ1 Texas Instruments 1: $2.04 147In Stock 126,000On Order	Mfr. Part No. TCA9548ARGERQ1 Mouser Part No 595-TCA9548ARGERQ1	Texas Instruments	Switch ICs - Various Automotive 8-channel 1.65- to 5.25v I2C/	Datasheet	147In Stock 126,000On Order On Order Ship Dates Mfr. No: TCA9548ARGERQ1 Stock: 147 Can Dispatch Immediately On Order: 51,000 Expected 2026/10/09 75,000 Expected 2026/12/17 Factory Lead Time: 9 Weeks	Cut Tape $2.04 $1.50 $1.36 $1.21 Reel $1.02 View $1.14 $1.12 $1.11 $0.999 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			Bidirectional Translating Switches	8 Switch	8 x SPST	70 Ohms	1.8 V, 2.5 V, 3.3 V, 5 V	- 40 C	+ 85 C	SMD/SMT	VQFN-24	AEC-Q100	Reel, Cut Tape, MouseReel
	Switch ICs - Various 8-CH I2C Switch w/ R eset TCA9548ARGER Texas Instruments 1: $1.59 67,485On Order	Mfr. Part No. TCA9548ARGER Mouser Part No 595-TCA9548ARGER	Texas Instruments	Switch ICs - Various 8-CH I2C Switch w/ R eset Learn More about Texas Instruments ti tca9548a 8 channel i2c switch	Datasheet	67,485On Order On Order Ship Dates Mfr. No: TCA9548ARGER Stock: 0 On Order: 16,485 Expected 2026/11/30 51,000 Expected 2027/01/15 Factory Lead Time: 16 Weeks	Cut Tape $1.59 $1.17 $1.06 $0.942 Reel $0.79 View $0.886 $0.871 $0.772 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			Bidirectional Translating Switches	8 Switch		70 Ohms	1.65 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	VQFN-24		Reel, Cut Tape, MouseReel
	Switch ICs - Various 8-channel 1.65- to 5 .5-V I2C/SMBus swit TCA9548AMRGER Texas Instruments 1: $1.41 12,084On Order	Mfr. Part No. TCA9548AMRGER Mouser Part No 595-TCA9548AMRGER	Texas Instruments	Switch ICs - Various 8-channel 1.65- to 5 .5-V I2C/SMBus swit Learn More about Texas Instruments ti tca9548a 8 channel i2c switch	Datasheet	12,084On Order On Order Ship Dates Mfr. No: TCA9548AMRGER Stock: 0 On Order: 84 Expected 2026/10/29 12,000 Expected 2027/01/15 Factory Lead Time: 16 Weeks	Cut Tape $1.41 $1.03 $0.929 $0.825 Reel $0.687 View $0.775 $0.756 $0.672 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			Bidirectional Translating Switches	8 Switch		70 Ohms	1.65 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	VQFN-24		Reel, Cut Tape, MouseReel