Nexperia USA Inc. PESD2CANFD36UU-QF

The PESD2CANFD36LU-QX is a chip designed to provide robust electrostatic discharge (ESD) protection for CAN FD (Flexible Data Rate) communication interfaces. It safeguards CAN FD bus lines from ESD events and transient voltage surges, ensuring reliable data communication. This chip finds widespread application in automotive and industrial environments where high-speed CAN FD communication is critical.

Key Parameters and Features:

1. ESD Protection: The PESD2CANFD36LU-QX chip offers exceptional ESD protection with a minimum ±15 kV contact discharge rating, enhancing the resilience of CAN FD networks.

2. Low Capacitance: It boasts low capacitance on the protected lines, minimizing signal distortion and preserving signal integrity in high-speed communication.

3. Ultra-Low Clamping Voltage: The chip features an ultra-low clamping voltage to safeguard sensitive components against voltage spikes.

4. Low Leakage Current: It maintains low leakage current to prevent excessive power consumption within the protected circuit.

Application Scenario - CAN FD Transceiver Protection Circuit:

When implementing a circuit with the PESD2CANFD36LU-QX chip to protect a CAN FD transceiver, meticulous attention to connections and considerations is essential:

1. Power Supply Connection:

- Connect the chip's VCC (Pin 1) to the supply voltage (e.g., +5V).

- Establish a ground connection by connecting GND (Pin 2) to the system's ground reference.

2. CAN FD Bus Connections:

- Connect the CANL (Pin 3) and CANH (Pin 4) lines from the transceiver to the chip's A (Anode) and K (Cathode) pins, respectively.

- Include a termination resistor (typically 120 Ohms) between the CANL and CANH lines to match the characteristic impedance of the bus.

3. ESD Protection:

- Ensure the ESD diode (PESD2CANFD36LU-QX) is directly connected to the CAN FD lines as previously described.

- Connect the chip's ESD_GND (Pin 5) to the ground reference of the system.

4. Termination Network:

- Add termination resistors at both ends of the CAN FD bus to maintain the correct characteristic impedance.

5. Grounding and Shielding:

- Implement effective grounding and shielding techniques to reduce electromagnetic interference (EMI) and maintain signal integrity.

Considerations:

When designing the circuit with the PESD2CANFD36LU-QX chip, take into account the following critical factors:

- Ensure a stable power supply and secure grounding for reliable operation.

- Verify that the termination resistors match the bus's characteristic impedance.

- Adhere to recommended ESD protection guidelines specific to your application.

- Employ sound PCB layout practices to minimize parasitic capacitance and inductance.

In summary, the PESD2CANFD36LU-QX

The PESD2CANFD36UU-QF is a chip designed to provide robust electrostatic discharge (ESD) protection for CAN FD (Flexible Data Rate) communication interfaces. Its primary function is to safeguard CAN FD bus lines from ESD events and transient voltage surges, ensuring reliable data communication. This chip is commonly utilized in automotive and industrial applications where high-speed CAN FD communication is critical.

Key Parameters and Features:

1. ESD Protection: The PESD2CANFD36UU-QF chip offers exceptional ESD protection with a minimum ±15 kV contact discharge rating, enhancing the resilience of CAN FD networks.

2. Low Capacitance: It boasts low capacitance on the protected lines, minimizing signal distortion and preserving signal integrity in high-speed communication.

3. Ultra-Low Clamping Voltage: The chip features an ultra-low clamping voltage to safeguard sensitive components against voltage spikes.

4. Low Leakage Current: It maintains low leakage current to prevent excessive power consumption within the protected circuit.

Application Scenario - CAN FD Transceiver Protection Circuit:

When implementing a circuit with the PESD2CANFD36UU-QF chip to protect a CAN FD transceiver, meticulous attention to connections and considerations is essential:

1. Power Supply Connection:

- Connect the chip's VCC (Pin 1) to the supply voltage (e.g., +5V).

- Establish a ground connection by connecting GND (Pin 2) to the system's ground reference.

2. CAN FD Bus Connections:

- Connect the CANL (Pin 3) and CANH (Pin 4) lines from the transceiver to the chip's A (Anode) and K (Cathode) pins, respectively.

- Include a termination resistor (typically 120 Ohms) between the CANL and CANH lines to match the characteristic impedance of the bus.

3. ESD Protection:

- Ensure the ESD diode (PESD2CANFD36UU-QF) is directly connected to the CAN FD lines as previously described.

- Connect the chip's ESD_GND (Pin 5) to the ground reference of the system.

4. Termination Network:

- Add termination resistors at both ends of the CAN FD bus to maintain the correct characteristic impedance.

5. Grounding and Shielding:

- Implement effective grounding and shielding techniques to reduce electromagnetic interference (EMI) and maintain signal integrity.

Considerations:

When designing the circuit with the PESD2CANFD36UU-QF chip, take into account the following critical factors:

- Ensure a stable power supply and secure grounding for reliable operation.

- Verify that the termination resistors match the bus's characteristic impedance.

- Adhere to recommended ESD protection guidelines specific to your application.

- Employ sound PCB layout practices to minimize parasitic capacitance and inductance.

In summary, the PESD2CANFD36UU-QF chip is a vital component for safeguarding CAN FD communication systems against ESD and transient voltage events. Proper integration of this chip into your circuit design guarantees robust and dependable data communication in demanding automotive and industrial environments.

chip is a vital component for safeguarding CAN FD communication systems against ESD and transient voltage events. Proper integration of this chip into your circuit design guarantees robust and dependable data communication in demanding automotive and industrial environments.