PCA9541ABS/01,118 datasheet by NXP Semiconductors

PCA9541ABS/01,118 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, which means it can switch between up to 4 separate I2C buses.
• How do I control the PCA9541?
  The PCA9541 is controlled using the I2C bus. You can send commands to the device using I2C write operations to select the desired channel.
• 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.
• Is the PCA9541 compatible with 3.3V and 5V systems?
  Yes, the PCA9541 is compatible with both 3.3V and 5V systems, making it a versatile solution for a wide range of applications.