Smart Matrix LED Controller for Automotive Lighting

ASL5XXXYHZ

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The ASL5xxxyHz family is a fully featured and flexible Matrix LED Controller (MLC). It provides a cost-effective design solution, specifically targeting advanced automotive exterior lighting applications.

The family consists of part numbers with different maximum currents, 0.8 A and 1.5 A, and different driving modes, Smart and direct PWM via a fully integrated CAN and CAN FD interfaces.

For additional information and Sample/Buy availability, please contact your local Sales Office.

Product Details

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Block Diagram

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Lighting Application Diagram

Lighting Application Diagram

ASL5x15 / ASL5x08 block diagram

ASL5x15 / ASL5x08 block diagram

Features

Smart Pulse Width Modulation

  • Reduced bus data rate
  • Automatic phase shifted PWM for smooth current transition
  • Internal PWM duty cycle generator. ASL50xx family
  • PWM dimming with 12-bit resolution

Optimized BOM Cost

  • Integrated Oscillator 200 Mhz
  • Embedded non-volatile memory
  • Integrated single smart charge pump
  • Integrated steady state Limp Home Mode

Improved Performance

  • 100 mΩ Rdson
  • 2.1 K/W Rth junction-case
  • Max current of 1.5 A in ASL5x15 family
  • Max current of 0.8 A in ASL5x08 family
  • LED brightness variation correction functionality
  • Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI)
  • Full diagnosis of LED and external components
  • Operating ambient temperature range of -40 ℃ to +125 ℃
  • Maximum junction temperature of +175 ℃
  • Low operational current consumption
  • Operating input voltage 5 V ± 0.5 V Vcc pin

Improved Robustness

  • Built-in CAN controller in ASL5xxxSHy family
  • Built in CAN-FD controller in ASL5xxxFHy family
  • Operating ambient temperature range of -40 ℃ to +125 ℃
  • Maximum junction temperature of +175 ℃
  • Built-in charge pump failure operation mode (CPFSO)
  • Internally programmed Limp Home Mode (LHM) in case of communication failure

Easy Configurability

  • 0.8 or 1.5 A per switch
  • Customer programmable 12-bit SMART PWM
  • On board / Off board architectures
  • 5 Address pins connecting up to 32 MLCs
  • 12 switches, 4 floating blocks of 3 switches (12 single LEDs or segments)
  • Available in HVQFN-36 and HLQFP-48 packages

Comparison Table

Part Number P12NC N° channels Max. current per switch PWM Communication Package
ASL5015SHN 935307529431 12 1.5 A Smart (internal curves) CAN HVQFN36
ASL5115SHN 935307587431 12 1.5 A Direct CAN HVQFN36
ASL5008SHN 935336867431 12 0.8 A Smart (internal curves) CAN HVQFN36
ASL5108SHN 935336868431 12 0.8 A Direct CAN HVQFN36
ASL5015FHN 935363415431 12 1.5 A Smart (internal curves) CAN-FD HVQFN36
ASL5115FHN 935363416431 12 1.5 A Direct CAN-FD HVQFN36
ASL5008FHN 935363413431 12 0.8 A Smart (internal curves) CAN-FD HVQFN36
ASL5108FHN 935363414431 12 0.8 A Direct CAN-FD HVQFN36
ASL5015SHV/0Y 935381114518 12 1.5 A Smart (internal curves) CAN HLQFP48
ASL5115SHV/0Y 935376637518 12 1.5 A Direct CAN HLQFP48
ASL5008SHV/0Y 935381122518 12 0.8 A Smart (internal curves) CAN HLQFP48
ASL5108SHV/0Y 935379078518 12 0.8 A Direct CAN HLQFP48
ASL5015FHV/0Y 935381119518 12 1.5 A Smart (internal curves) CAN-FD HLQFP48
ASL5115FHV/0Y 935381115518 12 1.5 A Direct CAN-FD HLQFP48
ASL5008FHV/0Y 935381121518 12 0.8 A Smart (internal curves) CAN-FD HLQFP48
ASL5108FHV/0Y 935381116518 12 0.8 A Direct CAN-FD HLQFP48

Design Resources

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