Overview
The PCA9306AMUTCG, produced by onsemi, is a dual bidirectional I2C and SMBus voltage-level translator. This device is designed to facilitate voltage translation between different voltage levels without the need for a direction pin. It operates with an enable (EN) input and supports bidirectional data flow between two ports when the EN pin is high. When the EN pin is low, the translator switch is off, and a high-impedance state exists between the ports, allowing for isolation between the two buses. This feature is particularly useful in mixed-mode I2C applications and in scenarios where different frequency buses need to be managed.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VREF1 (Reference Voltage) | 1.2 to 3.3 | V |
| VREF2 (Reference Bias Voltage) | 1.8 to 5.5 | V |
| Input/Output Voltage (VIN, VI/O) | 0 to 5.5 | V |
| Enable Input Voltage (EN) | 0 to 5.5 | V |
| Operating Ambient Temperature (TA) | -40 to 85 | °C |
| Maximum Propagation Delay | < 1.5 ns | ns |
| ESD Protection | > 2000 V (Human Body Model), > 1000 V (Charged Device Model) | V |
| Package Types | SSOP (8), VSSOP (8), X2SON (8), DSBGA (8) |
Key Features
- Dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) input.
- Operates without the need for a direction pin, allowing bidirectional voltage translations between 1.0 V and 5 V.
- Supports standard-mode, fast-mode, and fast-mode plus I2C-bus and SMBus compatible operations.
- Less than 1.5 ns maximum propagation delay to accommodate standard-mode and fast-mode I2C-bus devices and multiple masters.
- Flow-through pinout for ease of printed-circuit-board trace routing.
- Lockup-free operation for isolation when EN is low.
- Excellent ESD protection exceeding JESD 22 – 2000-V Human-body model and 1000-V Charged-device model.
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
Applications
- I2C, SMBus, PMBus, MDIO, UART, low-speed SDIO, GPIO, and other two-signal interfaces.
- Servers and telecom switching equipment.
- Personal Computers.
- Industrial Automation.
- Remote board insertion to backplane with I2C lines, preventing data corruption during transactions.
Q & A
- What is the PCA9306AMUTCG used for?
The PCA9306AMUTCG is a dual bidirectional I2C and SMBus voltage-level translator used to facilitate voltage translation between different voltage levels in mixed-mode I2C applications.
- What are the operating voltage ranges for VREF1 and VREF2?
VREF1 operates from 1.2 V to 3.3 V, and VREF2 operates from 1.8 V to 5.5 V.
- What is the maximum propagation delay of the PCA9306AMUTCG?
The maximum propagation delay is less than 1.5 ns.
- Does the PCA9306AMUTCG provide ESD protection?
- What are the package types available for the PCA9306AMUTCG?
The device is available in SSOP (8), VSSOP (8), X2SON (8), and DSBGA (8) packages.
- Can the PCA9306AMUTCG be used in automotive applications?
- How does the enable (EN) pin function in the PCA9306AMUTCG?
When the EN pin is high, the translator switch is on, allowing bidirectional data flow between ports. When the EN pin is low, the translator switch is off, and a high-impedance state exists between ports.
- Can the PCA9306AMUTCG manage different frequency buses?
- What is the operating ambient temperature range for the PCA9306AMUTCG?
The operating ambient temperature range is from -40°C to 85°C.
- Is the PCA9306AMUTCG lead-free?
