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Infineon BCR420U / BCR421U LED Drivers

The Infineon BCR420U LED driver provides a low-cost solution for driving 0.25W LEDs with an LED forward current up to 150 mA. Internal breakdown voltage is 40V, which is the maximum voltage that the Infineon BCR420U LED driver IC can sustain. With no need for additional external components like inductors, capacitors, and free wheeling diodes, the Infineon BCR420U LED drivers are a cost-efficient and PCB-area saving solution.

• Continuous output current up to 150mA with external resistor
  
• Suitable for supply voltages of 40V and above
  
• Low side current control
  
• Up to 1W power dissipation in a small SC74 package
  
• Negative thermal coefficient reduces output current
  at higher temperatures
  
• Easy paralleling of drivers to increase current
• μC compatible PWM input up to 10kHz (BCR421U)
  

• Architectural LED lighting
  
• Channel letters for advertising, LED strips for decorative lighting
  
• Retail lighting in refrigerators, freezer cases, and vending machines
  
• Emergency lighting (e.g. steps lighting, exit way signs etc.)
  
• Ship, train and aircraft interior illumination