TCA9517-Q1

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400-kHz-I2C/SMBus-Puffer/Wiederholer mit 2-Bit-Pegelumsetzung und abgeschalteter hoher Impedanz für

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Datenblatt

document-pdfAcrobat TCA9517-Q1 Level-Shifting I2C Bus Repeater datasheet (Rev. A) (Englisch) PDF | HTML

TCA9517-Q1

AKTIV

Jetzt bestellen

Produktdetails

Features

Buffer, Enable pin

Protocols

I2C

Frequency (max) (MHz)

0.4

VCCA (min) (V)

0.9

VCCA (max) (V)

5.25

VCCB (min) (V)

2.7

VCCB (max) (V)

5.25

Supply restrictions

No rule

Rating

Automotive

TI functional safety category

Functional Safety-Capable

Operating temperature range (°C)

-40 to 125

Features

Buffer, Enable pin

Protocols

I2C

Frequency (max) (MHz)

0.4

VCCA (min) (V)

0.9

VCCA (max) (V)

5.25

VCCB (min) (V)

2.7

VCCB (max) (V)

5.25

Supply restrictions

No rule

Rating

Automotive

TI functional safety category

Functional Safety-Capable

Operating temperature range (°C)

-40 to 125

VSSOP (DGK)

8

14.7 mm² (3 mm × 4.9 mm)

AEC-Q100 Qualified for automotive applications
- Device temperature: –40°C to 125°C T_A
- Device HBM classification Level: ±5500-V
- Device CDM classification Level: ±1000-V
Functional Safety-Capable
- Documentation available to aid functional safety system design
Two-channel bidirectional buffer
I²C Bus and SMBus compatible
Operating Supply Voltage Range of 0.9-V to 5.25-V on A-side
Operating supply voltage range of 2.7-V to 5.25-V on B-side
Voltage-level translation from 0.9-V to 5.25-V and 2.7-V to 5.25-V
Active-high repeater-enable input
Open-drain I²C I/O
5.25-V tolerant I²C and enable input support mixed-mode signal operation
Accommodates standard mode and fast mode I²C devices and multiple controller
High-impedance I²C pins when powered-off
Latch-up performance exceeds 100 mA Per JESD 78, class II

AEC-Q100 Qualified for automotive applications
- Device temperature: –40°C to 125°C T_A
- Device HBM classification Level: ±5500-V
- Device CDM classification Level: ±1000-V
Functional Safety-Capable
- Documentation available to aid functional safety system design
Two-channel bidirectional buffer
I²C Bus and SMBus compatible
Operating Supply Voltage Range of 0.9-V to 5.25-V on A-side
Operating supply voltage range of 2.7-V to 5.25-V on B-side
Voltage-level translation from 0.9-V to 5.25-V and 2.7-V to 5.25-V
Active-high repeater-enable input
Open-drain I²C I/O
5.25-V tolerant I²C and enable input support mixed-mode signal operation
Accommodates standard mode and fast mode I²C devices and multiple controller
High-impedance I²C pins when powered-off
Latch-up performance exceeds 100 mA Per JESD 78, class II

The TCA9517-Q1 is a bidirectional buffer with level shifting capabilities for I²C and SMBus systems. It supplies bidirectional voltage-level translation (up-translation and/or down-translation) between low voltages (down to 0.9 V) and higher voltages (2.7 V to 5.25 V) in mixed-mode applications. This device enables I²C and SMBus systems to be extended without loss of performance, even during level shifting.

The TCA9517-Q1 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I²C bus, thus allowing two buses of up to 400-pF bus capacitance to be connected in an I²C application.

The TCA9517-Q1 has two types of drivers: A-side drivers and B-side drivers. All inputs and I/Os are overvoltage tolerant to 5.25 V, even when the device is unpowered (V_CCB and/or V_CCA = 0 V).

The TCA9517-Q1 is a bidirectional buffer with level shifting capabilities for I²C and SMBus systems. It supplies bidirectional voltage-level translation (up-translation and/or down-translation) between low voltages (down to 0.9 V) and higher voltages (2.7 V to 5.25 V) in mixed-mode applications. This device enables I²C and SMBus systems to be extended without loss of performance, even during level shifting.

The TCA9517-Q1 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I²C bus, thus allowing two buses of up to 400-pF bus capacitance to be connected in an I²C application.

The TCA9517-Q1 has two types of drivers: A-side drivers and B-side drivers. All inputs and I/Os are overvoltage tolerant to 5.25 V, even when the device is unpowered (V_CCB and/or V_CCA = 0 V).

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen
*	Datenblatt	TCA9517-Q1 Level-Shifting I2C Bus Repeater datasheet (Rev. A)	PDF \| HTML	10.02.2022
	Anwendungshinweis	Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A)	PDF \| HTML	03.07.2024
	Informationen zur funktionalen Sicherheit	TCA9517-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA	PDF \| HTML	30.06.2021

Design und Entwicklung

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