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NXP Semiconductors ASL5008SHV/0Y
- Part No.:
- ASL5008SHV/0Y
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 48-LQFP Exposed Pad
- Datasheet:
-
ASL5008SHV/0Y.pdf
- Description:
- IC LED DRVR CTRLR PWM 48HLQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,371
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Product details
Overview
ASL5008SHV from NXP Semiconductors is a Smart-mode Matrix LED Controller (MLC) for automotive exterior lighting, delivering 0.8 A per switch across 12 channels, 12-bit PWM dimming with on-chip polynomial curve generation, and CAN interface control. It targets glare-free high beam (ADB), dynamic rear lights, and welcoming scenarios requiring precise, glitch-free LED current control.
For engineers reviewing the ASL5008SHV datasheet, ASL5008SHV pinout, ASL5008SHV application, or ASL5008SHV equivalent, this device offers verified Smart PWM operation, integrated temperature/NTC monitoring, AEC-Q100 Grade 1 qualification, and HLQFP48 packaging optimized for thermal performance in matrix headlamp modules.
Technical Context
The ASL5008SHV implements a Smart PWM architecture where dimming curves are preloaded as polynomial coefficients into on-chip memory; the internal engine computes real-time 12-bit duty cycles without continuous MCU intervention. Each of its four configurable 3-switch blocks floats up to 60 V relative to ground and supports MTP-configurable multi-LED-per-switch operation.
It integrates a 200 MHz internal oscillator (trimmable via CAN-ID, <0.25% accuracy), eliminating external quartz; diagnostics include per-channel open/short detection, 6-bit NTC input, 9-bit junction temperature feedback, and Limp Home Mode activation upon CAN failure - all communicated over high-speed CAN interface supporting up to 32 daisy-chained devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max. Switch Current | 0.8 A per channel - enables driving low-to-mid power LED segments in matrix arrays without external current boosting. |
| PWM Resolution | 12-bit - provides 4096-step dimming granularity for smooth, imperceptible light transitions in ADB systems. |
| Operating Temp. | –40 °C to +125 °C ambient - meets full automotive cabin and headlamp housing thermal requirements. |
| Supply Voltage | 5 V ± 0.5 V - compatible with standard automotive 5 V rail, includes under-voltage lockout protection. |
| Interface | CAN 2.0B - supports broadcast messaging to reduce bus load and latency across multi-IC lighting clusters. |
| Junction Temp. Max. | 175 °C - allows sustained operation under high-power density conditions on IMS PCBs near LEDs. |
| RDS(on) | 200 mΩ - minimizes conduction loss and self-heating during continuous 0.8 A switching. |
Pinout & Package
The ASL5008SHV is housed in an automotive-qualified, thermally enhanced 48-pin HLQFP package (SOT1571-1), featuring exposed thermal pad for efficient heat dissipation in high-power LED driver applications. Pin layout is optimized for single-layer PCB routing with no track crossings.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Power supply input | 5 V ± 0.5 V main supply; powers internal logic, CAN transceiver, and gate drivers. |
| GND | Ground reference | Dedicated analog/digital ground pins ensure noise isolation for precision current sensing and PWM timing. |
| CANH / CANL | CAN differential bus interface | High-speed (up to 1 Mbps) communication interface; supports networked control of up to 32 MLCs. |
| SWx (1–12) | High-side LED switch output | 12 individually controllable, 0.8 A capable NMOS outputs with integrated current sense and fault reporting. |
| NTC_IN | Analog temperature sensor input | 6-bit resolution input for direct connection to NTC thermistors on LED board for real-time thermal derating. |
| ID_RES | PCB identification resistor input | Enables automatic board variant recognition by reading external resistor value via ADC. |
| TEMP_SENSE | Internal junction temperature monitor | Provides 9-bit digital temperature readback via CAN for system-level thermal management. |
Key Features
| Feature | Design Value |
|---|---|
| Smart PWM dimming engine | On-chip storage of up to eight user-programmable polynomial curves eliminates continuous MCU PWM updates and reduces CAN traffic by >70% in ADB sequences. |
| LED brightness variation correction | Per-channel current adjustment compensates for luminance spread across LEDs of same part number, ensuring uniform pixel intensity in matrix beams. |
| Integrated 200 MHz oscillator | Replaces external crystal, reducing BOM cost, PCB area, and EMI emissions while maintaining <0.25% clock accuracy via CAN-trimmed trimming. |
| Limp Home Mode (LHM) | Automatically activates predefined safe-output state (e.g., partial illumination) upon CAN communication loss - satisfies ASIL-B functional safety requirements. |
| Charge pump failure safe operation (CPFSO) | Continues driving LEDs at reduced capability if internal charge pump fails, avoiding sudden light-off in critical driving conditions. |
Applications
| Matrix High Beam (ADB) | Dynamic Rear Lighting |
|---|---|
Use Scenario: Adaptive driving beam system that selectively blanks LED pixels to avoid dazzling oncoming traffic while maximizing forward illumination. IC Role / Device Role / Timing Role: Primary high-side LED switch controller with real-time per-pixel dimming, thermal monitoring, and fault-safe fallback. Use Value: Enables ASL5008SHV to drive 12 independently controlled LED segments at 0.8 A each with 12-bit smooth dimming, meeting UNECE R149 glare-free compliance. |
Use Scenario: Brake, turn, and position lights that animate patterns (e.g., sweeping indicators, sequential stop lamps) during vehicle operation. IC Role / Device Role / Timing Role: Centralized LED driver managing timing-critical PWM sequencing across multiple rear lamp zones via CAN broadcast commands. Use Value: ASL5008SHV's built-in phase-shifted 12-bit PWM and block-level floating capability allow synchronized, low-EMI animation across 12 channels without external timing ICs. |
| Welcoming/Ambient Lighting | Dynamic Cornering Lights |
Use Scenario: Vehicle entry/exit lighting sequences (e.g., door-handle illumination, ground projection, interior fade-on) triggered by key fob or proximity sensors. IC Role / Device Role / Timing Role: Low-duty-cycle, high-precision LED driver executing soft-start, fade-in/out, and color-mixing profiles stored in on-chip polynomial memory. Use Value: ASL5008SHV's Smart PWM mode executes complex welcome animations autonomously - freeing MCU resources and ensuring consistent timing across all lighting zones. |
Use Scenario: Front cornering lamps that activate and sweep outward during low-speed turns to improve peripheral visibility. IC Role / Device Role / Timing Role: High-reliability LED switch controller with integrated open/short diagnostics and thermal derating for repeated on/off cycling in humid, vibration-prone environments. Use Value: ASL5008SHV's 175 °C junction rating, AEC-Q100 Grade 1 qualification, and per-channel fault detection ensure robust operation during frequent cornering lamp actuation in cold/wet conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matrix LED controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASL5008SHN | Same Smart PWM functionality and 0.8 A rating, but in 36-pin HVQFN (SOT1092-4) package - smaller footprint, lower thermal mass. | Better suited for space-constrained front-end modules; requires different PCB layout and thermal pad design. | Select ASL5008SHN when board area is limited and thermal dissipation can be managed via copper pour or heatsink attachment. |
| ASL5015SHV | Pin-compatible HLQFP48 variant with 1.5 A per switch and 100 mΩ RDS(on); otherwise identical Smart PWM, CAN interface, and diagnostic features. | Supports higher-power LED segments (e.g., long-range ADB pixels); draws more current and generates more heat. | Choose ASL5015SHV when driving high-luminance LEDs requiring >0.8 A per channel - no firmware or schematic changes needed beyond current-sense calibration. |
Compared with ASL5008SHN and ASL5015SHV, the ASL5008SHV balances thermal robustness (HLQFP48), moderate current capability (0.8 A), and diagnostic completeness - making it optimal for mid-tier matrix lighting modules where cost, reliability, and ease of thermal design are prioritized over maximum current density.
Availability
ASL5008SHV is available at Aetrix Electronics and suitable for automotive exterior lighting, adaptive driving beam (ADB) systems, and dynamic rear lighting requiring stable component supply across extended production lifecycles.
Supply support for ASL5008SHV includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in automotive-grade mixed-signal ICs.
The ASL5008SHV belongs to NXP's Matrix LED Controller (MLC) product line, engineered specifically for scalable, safety-compliant, and thermally efficient control of pixelated LED arrays in next-generation automotive lighting systems.
FAQ
What is the primary function of the ASL5008SHV in automotive lighting systems?
The ASL5008SHV serves as a Smart-mode Matrix LED Controller that drives up to 12 LED segments at 0.8 A each using on-chip polynomial-based PWM generation. It reduces MCU data overhead by storing dimming curves internally and communicates via CAN to enable adaptive beam shaping, dynamic rear lighting, and welcome sequences - all while meeting AEC-Q100 Grade 1 requirements.
Does the ASL5008SHV require an external crystal oscillator?
No, the ASL5008SHV integrates a 200 MHz internal oscillator with CAN-trimmable accuracy (<0.25%), eliminating the need for an external quartz. This reduces bill-of-materials cost, PCB area, and electromagnetic emissions - a key advantage for compact, EMC-sensitive automotive lighting modules where the ASL5008SHV is deployed.
How does the ASL5008SHV handle LED thermal management?
The ASL5008SHV supports direct NTC thermistor connection via its 6-bit NTC_IN pin and reports internal junction temperature with 9-bit resolution over CAN. These inputs feed real-time thermal derating algorithms, enabling dynamic current reduction to protect LEDs and maintain luminous consistency - a critical capability for ASL5008SHV in high-ambient-temperature headlamp environments.
What safety features does the ASL5008SHV provide for automotive use?
The ASL5008SHV includes Power-On Reset (POR) monitoring, Limp Home Mode (LHM) activation on CAN failure, individual LED open/short detection with bypass, charge pump failure safe operation (CPFSO), and external component monitoring. These features collectively support ASIL-B compliance and ensure fail-operational behavior - essential for any safety-critical lighting function controlled by the ASL5008SHV.
Is the ASL5008SHV pin-compatible with other members of the ASL5xxx family?
Yes, all ASL5xxx variants - including ASL5008SHV, ASL5015SHV, ASL5108SHV, and ASL5115SHV - are pin-to-pin compatible in the HLQFP48 package. This allows seamless scalability between 0.8 A and 1.5 A per switch, or between Smart and Direct PWM modes, without PCB redesign - a core architectural benefit confirmed for the ASL5008SHV in NXP's official documentation.
ASL5008SHV/0Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-LQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Controller
- Topology:
- Switched Capacitor (Charge Pump)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 12
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- -
- Current - Output / Channel:
- 800mA
- Frequency:
- 200MHz
- Dimming:
- PWM
- Applications:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-HLQFP (7x7)
ASL5008SHV/0Y FAQ
1.How can I place an order for ASL5008SHV/0Y through Aetrix?
Please submit a Request for Quotation (RFQ) for ASL5008SHV/0Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ASL5008SHV/0Y reliable?
The price and inventory of ASL5008SHV/0Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASL5008SHV/0Y is usually 5 days.
3.What payment methods are accepted for ASL5008SHV/0Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASL5008SHV/0Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASL5008SHV/0Y?
ASL5008SHV/0Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASL5008SHV/0Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ASL5008SHV/0Y?
For technical support, including ASL5008SHV/0Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASL5008SHV/0Y requirements.
6.How does Aetrix verify that ASL5008SHV/0Y is sourced from the original manufacturer or authorized distributors?
All ASL5008SHV/0Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ASL5008SHV/0Y meets industry standards.
7.What is the process for return or replacement of ASL5008SHV/0Y?
All ASL5008SHV/0Y units undergo pre-shipment inspection (PSI). If there is an issue with ASL5008SHV/0Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ASL5008SHV/0Y part is unused and in its original packaging.
Return procedure for ASL5008SHV/0Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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