Infineon Technologies AG Linear LED Driver IC BCR421U

Linear LED driver IC for low/medium power LEDs The BCR421U 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 150mA Supply voltage up to 40V 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 24 GHz radar system Automotive body control module (BCM) Connected and smart lighting for IoT Domain controller for ADAS and autonomous driving LED lighting system designs Designers who used this product also designed with BTS5045-1EJA | PROFET™ + 12V | automotive smart high-side switch TLF11251LD | OPTIREG™ PMIC TLF35584QVVS2 | OPTIREG™ PMIC IRS2982S | AC-DC LED Driver IC BTS5180-2EKA | PROFET™ + 12V | automotive smart high-side switch TDA5235 | Wireless control receiver BTS5200-4EKA | PROFET™ + 12V | automotive smart high-side switch BTN8962TA | MOTIX™ single half-bridge ICs for BDC motors BTS3035TF | HITFET™ + 12V | automotive low-side switch TLE75080-ESH | Multichannel SPI switches and controllers TLE9263BQX | OPTIREG™ Mid-Range+ SBC BTS5045-1EJA | PROFET™ + 12V | automotive smart high-side switch TLF11251LD | OPTIREG™ PMIC TLF35584QVVS2 | OPTIREG™ PMIC IRS2982S | AC-DC LED Driver IC BTS5180-2EKA | PROFET™ + 12V | automotive smart high-side switch TDA5235 | Wireless control receiver BTS5200-4EKA | PROFET™ + 12V | automotive smart high-side switch BTN8962TA | MOTIX™ single half-bridge ICs for BDC motors 1 2 3