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TCA9548AMRGER The Texas Instruments TCA9548AMRGER is an 8-channel I2C/SMBus switch featuring reset functionality and voltage translation capabilities. It operates across a wide supply voltage range.
Mfr Part #:

TCA9548AMRGER

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9548AMRGER is an 8-channel I2C/SMBus switch featuring reset functionality and voltage translation capabilities. It operates across a wide supply voltage range.
✓ Total Stock: 1,642 pcs

TCA9548AMRGER Available from 3 distributors

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Xingangxin ✓
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1,207 pcs
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Optech Co.,Limited ✓
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346 pcs
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346 pcs On Request 1 On Request On Request 1640+ On Request On Request
PROSOFT ELECTRONICS ✓
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89 pcs
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89 pcs On Request 1 On Request On Request 22+ On Request On Request
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TCA9548AMRGER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Frequency
Latch-up Performance
Lead Spacing
Lead Style
Mounting Type
Number of Channels
Operating Temperature Range
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TCA9548AMRGER Description

Short technical summary and product information.

The TCA9548AMRGER from Texas Instruments is an active-low, 8-channel bidirectional translating I2C and SMBus switch. It supports a wide operating power-supply voltage range from 1.65V to 5.5V, making it versatile for various system designs. The device features 5V tolerant inputs and allows for voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses.

 

Key features include an active-low reset input, three address pins enabling up to eight devices on the I2C bus, and channel selection via the I2C bus. It operates at clock frequencies up to 400kHz and offers low RON switches. The TCA9548AMRGER is available in VQFN, TSSOP, and VSSOP packages, all suitable for surface mount applications.

 

This I2C switch is designed for applications requiring multiple I2C buses or the need to isolate different segments of an I2C bus. Its voltage translation capability simplifies interfacing between components operating at different voltage levels, enhancing system flexibility. The device also supports hot insertion and has a low standby current.

TCA9548AMRGER Quick Information

Product Type: I2C Switch
Series: TCA9548A
Canonical Name: TCA9548A 8-Channel I2C/SMBus Switch with Reset and Voltage Translation
Subcategory: I2C & I3C Switches & Multiplexers

TCA9548AMRGER Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

TCA9548AMRGER Features

  • 8-channel bidirectional translating I2C/SMBus switch.
  • Wide 1.65V to 5.5V operating supply voltage.
  • Supports voltage-level translation between buses.
  • Active-low reset input for system control.
  • High ESD protection exceeding ±2000V HBM.

TCA9548AMRGER Applications

  • Interfacing devices at different voltage levels.
  • Expanding I2C bus capacity.
  • Segmenting I2C buses for isolation.
  • System control with reset functionality.

TCA9548AMRGER FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TCA9548AMRGER?

The operating power-supply voltage range is 1.65 V to 5.5 V.

What is the operating temperature range?

The operating temperature range is -40 °C to 85 °C.

What package is the TCA9548AMRGER available in?

The device is available in VQFN (RGE), TSSOP (PW), and VSSOP (DGS) packages.

Does the TCA9548AMRGER support voltage-level translation?

Yes, it allows voltage-level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses.

What is the maximum clock frequency?

The clock frequency range is 0 to 400 kHz.

How many address pins does the device have?

The device has three address pins.

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