Overview
The PCA9306GM,125, produced by NXP USA Inc., is a dual bidirectional I²C-bus and SMBus voltage-level translator. This component is designed to facilitate voltage translations between two different voltage domains, ranging from 1.0 V to 3.6 V and 1.8 V to 5.5 V, without the need for a direction pin. It features an enable (EN) input that controls the translator switch, allowing for bidirectional data flow between the two I²C/SMBus ports when enabled and isolating them when disabled. This device is particularly useful in systems where different voltage levels are required for different components, ensuring seamless communication and data transfer.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage (Vref(1)) | 1.0 V | - | 3.6 V | V |
| Operating Voltage (Vbias(ref)(2)) | 1.8 V | - | 5.5 V | V |
| ON-state Resistance (Ron) | - | - | - | Ω |
| Input Capacitance (Ci(EN)) | - | 7.1 | - | pF |
| Off-state Input/Output Capacitance (Cio(off)) | - | 4 | 6 | pF |
| On-state Input/Output Capacitance (Cio(on)) | - | 2.0 | - | pF |
| Propagation Delay (tPLH, tPHL) | 0.5 ns | 1.2 ns | 2.5 ns | ns |
| Operating Temperature (Tamb) | -40 °C | - | 105 °C | °C |
| Package Type | XQFN8 | - | - | - |
Key Features
- Bidirectional voltage translation between 1.0 V and 5 V without a direction pin.
- Enable (EN) input to control the translator switch.
- Low ON-state resistance (Ron) for minimal propagation delay.
- Operational from 1.0 V to 3.6 V (Vref(1)) and 1.8 V to 5.5 V (Vbias(ref)(2)).
- Supports I²C-bus and SMBus protocols.
- High-impedance state when the translator switch is off.
- Compatible with different bus frequencies (e.g., 100 kHz and 400 kHz).
Applications
- Embedded systems requiring voltage level translation between different components.
- I²C-bus and SMBus interfaces in various electronic devices.
- Industrial automation and control systems.
- Consumer electronics with multiple voltage domains.
- Automotive systems where different voltage levels are necessary.
Q & A
- What is the primary function of the PCA9306GM,125? The PCA9306GM,125 is a dual bidirectional I²C-bus and SMBus voltage-level translator, enabling voltage translations between different voltage domains.
- What is the operating voltage range for the PCA9306GM,125? The device operates from 1.0 V to 3.6 V (Vref(1)) and 1.8 V to 5.5 V (Vbias(ref)(2)).
- Does the PCA9306GM,125 require a direction pin for voltage translation? No, it does not require a direction pin for bidirectional voltage translation.
- What is the role of the enable (EN) input? The enable (EN) input controls the translator switch, allowing bidirectional data flow when HIGH and isolating the ports when LOW.
- What are the propagation delays for the PCA9306GM,125? The propagation delays (tPLH, tPHL) range from 0.5 ns to 2.5 ns.
- What is the operating temperature range for the PCA9306GM,125? The device operates from -40 °C to 105 °C.
- What package type is the PCA9306GM,125 available in? The PCA9306GM,125 is available in the XQFN8 package.
- Is the PCA9306GM,125 compatible with different bus frequencies? Yes, it supports different bus frequencies such as 100 kHz and 400 kHz.
- What are some common applications for the PCA9306GM,125? Common applications include embedded systems, industrial automation, consumer electronics, and automotive systems.
- Is the PCA9306GM,125 RoHS compliant? Yes, the PCA9306GM,125 is RoHS compliant and also halogen-free.
