Linear LED driver IC for low/medium power LEDs
The BCR321U linear LED driver IC is tailored to drive low and mid power LEDs in general and automotive lighting applications.
Summary of Features
LED drive current preset to 10mA
Output current adjustable by resistor up to 250mA
Supply voltage up to 25V
Low side current control, NPN transistor power stage
Digital PWM input up to 10kHz frequency
Up to 1000mW power dissipation in a small SC74 package
Negative thermal coefficient reduces output current at higher temperatures
Automotive qualified according to AEC Q101
Benefits
Driving current always under control for homogenous light output
Longer lifetime of the LEDs due to reduced output current at higher temperatures (negative thermal coefficient)
Digital input allows dimming via microcontroller
Easy paralleling of drivers to increase current
Contributes to longevity and reliability of LED system
Potential Applications
LED strips, signage and channel letters
Commercial, architectural and residential lighting
Shop, ship, train and aircraft lighting
Automotive interior lighting
Applications
Cordless power tools and outdoor power equipment
Linear LED driver IC for low/medium power LEDs
The BCR321U linear LED driver IC is tailored to drive low and mid power LEDs in general and automotive lighting applications.
Summary of Features
- LED drive current preset to 10mA
- Output current adjustable by resistor up to 250mA
- Supply voltage up to 25V
- Low side current control, NPN transistor power stage
- Digital PWM input up to 10kHz frequency
- Up to 1000mW power dissipation in a small SC74 package
- Negative thermal coefficient reduces output current at higher temperatures
- Automotive qualified according to AEC Q101
Benefits
- Driving current always under control for homogenous light output
- Longer lifetime of the LEDs due to reduced output current at higher temperatures (negative thermal coefficient)
- Digital input allows dimming via microcontroller
- Easy paralleling of drivers to increase current
- Contributes to longevity and reliability of LED system
Potential Applications
- LED strips, signage and channel letters
- Commercial, architectural and residential lighting
- Shop, ship, train and aircraft lighting
- Automotive interior lighting
Applications
- Cordless power tools and outdoor power equipment
