ASL5XXXYHZ: Smart Matrix LED Controller for Automotive Lighting
Overview
Features
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 200Mhz
- 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 -40C to +125C
- Maximum junction temperature of +175C
- Low operational current consumption
- Operating input voltage 5V ± 0.5V Vcc pin
Improved Robustness
- Built-in CAN controller in ASL5xxxSHy family
- Built in CAN-FD controller in ASL5xxxFHy family
- Operating ambient temperature range of -40C to +125C
- Maximum junction temperature of +175C
- 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
Development Boards and Designs
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Target Applications
Automotive
- Advanced front lighting systems
- Automotive Advanced Exterior Lighting
- Dynamic Daytime Running Lights
- Dynamic signaling (Front/Rear)
- Matrix/pixel high/low beam (ADB/GFHB)
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 |
