PCA9541ABS/03,118 datasheet by NXP Semiconductors

PCA9541ABS/03,118 Frequently Asked Questions (FAQs)

• What is the maximum frequency of the I2C bus that the PCA9541 can support?
  The PCA9541 can support I2C bus frequencies up to 400 kHz.
• Can the PCA9541 be used to switch between multiple I2C buses?
  Yes, the PCA9541 is a 4-channel I2C-bus switch, allowing multiple I2C buses to be connected to a single I2C bus.
• How does the PCA9541 handle bus contention and arbitration?
  The PCA9541 has built-in bus contention and arbitration logic, which ensures that only one device can transmit on the bus at a time, preventing data corruption and bus conflicts.
• Is the PCA9541 compatible with 5V and 3.3V systems?
  Yes, the PCA9541 is compatible with both 5V and 3.3V systems, making it a versatile solution for a wide range of applications.
• What is the power consumption of the PCA9541?
  The PCA9541 has a low power consumption of 10 μA (typical) in standby mode and 1.5 mA (typical) in active mode.