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TCA9517DGKRQ1
I2C Repeater 1.8V/2.5V/3.3V/5V Automotive AEC-Q100 8-Pin VSSOP T/R
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Manufacturer:
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Mfr.Part #:
TCA9517DGKRQ1
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Datasheet:
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Features:
Buffer, Enable pin
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Frequency (max) (MHz):
0.4
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VCCA (min) (V):
0.9
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VCCA (max) (V):
5.25
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EDA/CAD Models:
Availability: 5760 PCS
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TCA9517DGKRQ1 General Description
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 (VCCB and/or VCCA = 0 V).
Key Features
- AEC-Q100 Qualified for automotive applications
- Device temperature: –40°C to 125°C TA
- 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
Specifications
Features | Buffer, Enable pin | 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 |
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Availability: 5760 PCS
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