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NXP Semiconductors ASL5008FHNZ
- Part No.:
- ASL5008FHNZ
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 36-VFQFN Exposed Pad
- Datasheet:
-
ASL5008FHNZ.pdf
- Description:
- IC LED DRVR CTRLR PWM 36HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,938
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Product details
Overview
ASL5008FHNZ from NXP Semiconductors is a Smart-mode Matrix LED Controller (MLC) for automotive exterior lighting, delivering 0.8 A per channel, 12-bit PWM dimming resolution with on-chip polynomial curve generation, and CAN-FD interface support. It targets ADB/GFHB high-beam systems requiring precise, glitch-free LED current control and thermal-aware diagnostics.
For engineers reviewing the ASL5008FHNZ datasheet, ASL5008FHNZ pinout, ASL5008FHNZ application, or ASL5008FHNZ equivalent, this device is selected for its integrated Smart PWM engine, embedded temperature/NTC monitoring, single-layer PCB compatibility, and AEC-Q100 Grade 1 qualification in HVQFN36 packaging.
Technical Context
The ASL5008FHNZ implements a dedicated Smart PWM architecture where dimming curves are preloaded as 12-bit polynomial coefficients into on-chip memory, enabling autonomous duty-cycle calculation without continuous MCU intervention. Its internal 200 MHz oscillator provides <0.25% clock accuracy, eliminating external quartz and reducing EMC emissions.
It integrates 12 configurable LED switches arranged in four 3-switch blocks, each floating up to 60 V relative to ground and supporting parallel operation. Diagnostics include per-channel open/short detection, 6-bit NTC input, identification resistor sensing, charge pump failure mode (CPFSO), and Limp Home Mode (LHM) activation upon CAN-FD communication loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| LED Drive Current | 0.8 A per switch - supports high-brightness LED segments without external current boosters |
| PWM Resolution | 12-bit - enables smooth, flicker-free dimming across full brightness range |
| Interface Protocol | CAN-FD - allows higher bandwidth and deterministic latency vs. legacy CAN for dynamic lighting sequences |
| Operating Temp Range | –40 °C to +125 °C ambient - meets under-hood and headlamp housing thermal requirements |
| Junction Temp Limit | 175 °C - enables robust thermal margin during sustained high-current operation |
| Supply Voltage | 5 V ± 0.5 V - compatible with automotive 5 V rail with tight regulation tolerance |
| Package Type | HVQFN36 (SOT1092-4) - thermally enhanced, leadless, AOI-friendly footprint for IMS PCB mounting |
Pinout & Package
The ASL5008FHNZ is housed in a 36-pin HVQFN package (SOT1092-4) with exposed thermal pad, optimized for minimal track crossing and single-layer PCB routing near LEDs. Pin assignment follows NXP's standardized MLC layout for mechanical and thermal reliability in automotive lighting modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Power supply input | 5 V ±0.5 V main supply; includes under-voltage lockout protection |
| GND | Ground reference | Dedicated power and analog ground pins ensure noise isolation for precision current control |
| LEDx_OUT (x=1–12) | High-side LED switch output | 12 individually controllable outputs with 200 mΩ Rdson at 0.8 A rating |
| NTC_IN | Analog temperature sensor input | 6-bit resolution NTC monitoring for real-time LED thermal derating |
| ID_RES | PCB characterization input | Direct resistor-based board ID detection for system-level calibration |
| CAN_H / CAN_L | CAN-FD differential bus interface | Supports up to 32 MLCs on one network; includes broadcast messaging for synchronized lighting effects |
| POK | Power OK status flag | Open-drain output confirming stable internal voltage rails and functional readiness |
Key Features
| Feature | Design Value |
|---|---|
| Smart PWM dimming engine | On-chip storage of up to eight 12-bit polynomial curves eliminates MCU data traffic overhead during dynamic dimming transitions |
| LED brightness variation correction | Per-channel current adjustment compensates for luminance spread across production LEDs, ensuring uniform light output |
| Thermal and fault diagnostics | Integrated junction temperature feedback (9-bit via CAN), NTC input, open/short detection, and CPFSO enable fail-safe operation without external monitoring ICs |
| Limp Home Mode (LHM) | Automatically activates predefined safe-lighting pattern upon CAN-FD communication failure - critical for ASIL-B compliant systems |
| Single-layer PCB compatibility | Optimized pinout avoids trace crossings, reducing layer count and cost while maintaining EMI performance in compact headlamp designs |
Applications
| Matrix High Beam (ADB) | Dynamic Rear Lighting |
|---|---|
Use Scenario: Adaptive driving beam system that selectively blanks LED segments to avoid glare while maintaining maximum illumination for unoccupied road zones. IC Role / Device Role / Timing Role: ASL5008FHNZ acts as the high-side matrix driver, executing real-time segment enable/disable and PWM dimming commands received over CAN-FD from the central lighting controller. Use Value: Enables pixel-level control of up to 12 segments per IC with <0.25% clock accuracy, ensuring synchronized, glitch-free beam shaping across multiple ASL5008FHNZ units. |
Use Scenario: Brake, turn, and hazard lighting with animated transitions (e.g., sequential turn indicators, sweeping stop lights). IC Role / Device Role / Timing Role: ASL5008FHNZ drives individual rear lamp segments with precise timing and current matching, coordinated via broadcast CAN-FD messages. Use Value: Delivers consistent luminance across all segments using built-in brightness variation correction, eliminating visible intensity mismatches in dynamic lighting patterns. |
| Dynamic Cornering Lights | Welcoming/Ambient Lighting |
Use Scenario: Front cornering lamps that activate and sweep outward during low-speed steering maneuvers to improve peripheral visibility. IC Role / Device Role / Timing Role: ASL5008FHNZ controls directional LED arrays mounted in bumper modules, responding to CAN-FD steering angle and speed signals. Use Value: Leverages internal 200 MHz oscillator for jitter-free PWM timing, enabling smooth angular sweeps without visible stepping or flicker. |
Use Scenario: Vehicle entry/exit lighting sequences (e.g., door-handle illumination, ground projection, interior ambient ramp-up). IC Role / Device Role / Timing Role: ASL5008FHNZ manages low-duty-cycle, long-duration fade-in/fade-out profiles stored as Smart PWM polynomials. Use Value: Reduces MCU processing load by autonomously executing multi-second dimming curves - no continuous PWM register updates required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matrix LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASL5008SHN | Same Smart PWM architecture and 0.8 A rating, but uses legacy CAN (not CAN-FD); lacks higher bandwidth and error detection enhancements | Suitable for cost-sensitive ADB systems without need for >1 Mbps data rates or advanced frame formatting | Select ASL5008SHN only if CAN-FD infrastructure is unavailable and latency budget permits legacy CAN timing |
| ASL5015FHN | Identical CAN-FD interface and HVQFN36 package, but rated for 1.5 A per switch and 100 mΩ Rdson | Required for higher-power LED segments (e.g., long-range ADB pixels or fog lamp integration) | Choose ASL5015FHN when drive current exceeds 0.8 A per channel; pin-to-pin compatible with no layout change |
Compared with ASL5008SHN, the ASL5008FHNZ offers higher CAN bandwidth and improved fault resilience; compared with ASL5015FHN, it trades current capability for lower conduction loss and thermal dissipation in space-constrained modules.
Availability
ASL5008FHNZ is available at Aetrix Electronics and suitable for automotive adaptive front lighting, dynamic rear lighting, and intelligent welcome lighting systems requiring stable component supply, AEC-Q100 compliance, and CAN-FD interoperability.
Supply support for ASL5008FHNZ 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 ASL5008FHNZ belongs to NXP's Matrix LED Controller (MLC) product line, engineered specifically for scalable, safety-aware exterior lighting systems demanding autonomous dimming, comprehensive diagnostics, and CAN-FD integration.
FAQ
What is the primary function of the ASL5008FHNZ in automotive lighting systems?
The ASL5008FHNZ serves as a Smart-mode matrix LED controller that autonomously executes PWM dimming profiles using on-chip polynomial coefficients, reducing MCU data traffic while driving up to 12 LED segments at 0.8 A each. Its CAN-FD interface, integrated diagnostics, and AEC-Q100 Grade 1 qualification make it purpose-built for adaptive driving beam and dynamic rear lighting applications where reliability and timing precision are critical. The ASL5008FHNZ enables pixel-level control without external clock sources or discrete monitoring components.
Does the ASL5008FHNZ require an external crystal oscillator?
No, the ASL5008FHNZ features an internal 200 MHz oscillator with trimming via CAN-ID messages, achieving <0.25% accuracy and eliminating the need for an external quartz. This reduces bill-of-materials cost, improves EMC behavior, and simplifies PCB layout-especially important in space-constrained headlamp modules. The ASL5008FHNZ synchronizes all internal clocks to this oscillator, and no external timing components are required for basic or Smart PWM operation.
How does the ASL5008FHNZ handle LED brightness variation across production units?
The ASL5008FHNZ includes built-in LED brightness variation correction functionality that adjusts per-channel current to compensate for luminance spread among LEDs with identical drive currents. This ensures homogeneous light output in matrix arrays without requiring binning or external calibration hardware. The correction is applied in real time during Smart PWM operation and directly contributes to consistent visual performance in ASL5008FHNZ-based ADB and dynamic lighting systems.
What diagnostic capabilities does the ASL5008FHNZ provide for automotive safety compliance?
The ASL5008FHNZ delivers comprehensive diagnostics including per-channel open/short detection, 6-bit NTC input for LED temperature monitoring, identification resistor sensing, internal junction temperature feedback (9-bit via CAN), charge pump failure mode (CPFSO), and Power OK (POK) status. It also supports Limp Home Mode (LHM) activation upon CAN-FD communication failure-enabling fail-operational behavior required for ASIL-B lighting systems. All diagnostics are accessible to the host MCU via the CAN-FD interface.
Is the ASL5008FHNZ pin-compatible with other members of the ASL5xxx family?
Yes, the ASL5008FHNZ is pin-to-pin compatible with all ASL5xxx variants in the same HVQFN36 package-including ASL5015FHN, ASL5108FHN, and ASL5115FHN-as confirmed in the official NXP product brief. This allows seamless scalability between 0.8 A and 1.5 A drive strengths or Smart vs. Direct PWM modes without PCB redesign. The ASL5008FHNZ shares identical pin functions, thermal pad layout, and footprint dimensions with these counterparts, enabling flexible BOM optimization.
ASL5008FHNZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 36-VFQFN 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, Wettable Flank
- Supplier Device Package:
- 36-HVQFN (6x6)
ASL5008FHNZ FAQ
1.How can I place an order for ASL5008FHNZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ASL5008FHNZ 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 ASL5008FHNZ reliable?
The price and inventory of ASL5008FHNZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASL5008FHNZ is usually 5 days.
3.What payment methods are accepted for ASL5008FHNZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASL5008FHNZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASL5008FHNZ?
ASL5008FHNZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASL5008FHNZ 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 ASL5008FHNZ?
For technical support, including ASL5008FHNZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASL5008FHNZ requirements.
6.How does Aetrix verify that ASL5008FHNZ is sourced from the original manufacturer or authorized distributors?
All ASL5008FHNZ 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 ASL5008FHNZ meets industry standards.
7.What is the process for return or replacement of ASL5008FHNZ?
All ASL5008FHNZ units undergo pre-shipment inspection (PSI). If there is an issue with ASL5008FHNZ, 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 ASL5008FHNZ part is unused and in its original packaging.
Return procedure for ASL5008FHNZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ASL5008FHNZ Tags
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