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NXP Semiconductors ASL5008SHNZ
- Part No.:
- ASL5008SHNZ
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 36-VFQFN Exposed Pad
- Datasheet:
-
ASL5008SHNZ.pdf
- Description:
- IC LED DRVR CTRLR PWM 36HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,492
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Product details
Overview
ASL5008SHNZ 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 interface control. It targets matrix high/low beam, dynamic turn indicators, and welcoming light scenarios in AEC-Q100 Grade 1 systems.
For engineers reviewing the ASL5008SHNZ datasheet, ASL5008SHNZ pinout, ASL5008SHNZ application, or ASL5008SHNZ equivalent, this page provides verified technical context, validated pin functions, confirmed diagnostic capabilities, and real-world automotive lighting use cases - all aligned to the official PB_ASL5xxxyHz Rev. 1.0 product brief.
Technical Context
The ASL5008SHNZ implements a Smart PWM architecture where dimming duty cycles are calculated internally using stored 12-bit polynomial coefficients, eliminating continuous microcontroller updates. It supports up to eight preprogrammed curves and dynamic curve sequencing without glitching.
It integrates a 200 MHz internal oscillator (trimmable via CAN-ID, <0.25% accuracy), eliminates external quartz, and synchronizes all clocks. Its 12-channel output is grouped into four configurable 3-switch blocks, each floating up to 60 V and paralleling-capable for flexible LED string topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max current per switch | 0.8 A - enables driving mid-power LED segments without external current boosting |
| PWM resolution | 12-bit - ensures smooth, flicker-free dimming across full brightness range |
| Operating voltage | 5 V ±0.5 V - matches standard automotive MCU supply rails with built-in under-voltage protection |
| Temperature range | –40 °C to +125 °C ambient - meets AEC-Q100 Grade 1 for under-hood and headlamp placement |
| Interface | CAN (not CAN-FD) - supports broadcast messaging and daisy-chaining up to 32 ICs on one bus |
| LED channel count | 12 channels - arranged as 4 × 3-switch blocks, each block independently floatable up to 60 V |
| RDS(on) | 200 mΩ - optimized for low conduction loss and thermal dissipation at 0.8 A continuous |
Pinout & Package
The ASL5008SHNZ is housed in a thermally enhanced, automotive-qualified 36-pin HVQFN package (SOT1092-4), with exposed thermal pad for IMS PCB mounting and single-layer routing capability due to optimized pin layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Supply input | 5 V ±0.5 V main power rail; includes internal UVLO protection |
| GND | Ground reference | Dedicated analog/digital ground pins support noise-sensitive CAN and PWM timing |
| CANH / CANL | CAN differential interface | High-speed serial control interface supporting broadcast commands and diagnostics reporting |
| NTC_IN | Analog temperature input | 6-bit resolution NTC feedback path for real-time LED junction temperature monitoring |
| ID_RES | PCB identification input | Analog resistor-based board characterization for system-level calibration and variant management |
| SWx (x=1–12) | LED switch output | 12 high-side drivers with 200 mΩ RDS(on), each capable of 0.8 A continuous current |
| POK | Power OK status flag | Open-drain output confirming internal regulator stability and functional readiness |
Key Features
| Feature | Design Value |
|---|---|
| Smart PWM dimming engine | On-chip polynomial coefficient storage and real-time 12-bit duty cycle calculation reduces MCU data traffic by >90% vs. direct PWM |
| LED brightness variation correction | Per-channel luminance compensation ensures uniform light output across LEDs with inherent binning variance |
| Integrated 200 MHz oscillator | Eliminates external crystal, lowers BOM cost, improves EMC performance, and enables <0.25% clock accuracy via CAN trimming |
| Comprehensive fault detection | Single LED open/short, NTC/ID resistor integrity, charge pump capacitor health, and internal junction temperature (9-bit via CAN) reporting |
| Limp Home Mode (LHM) | Internally programmed fallback behavior during CAN communication failure maintains basic lighting functionality without MCU intervention |
Applications
| Matrix High Beam (ADB) | Dynamic Turn Indicator |
|---|---|
Use Scenario: Adaptive Driving Beam system selectively blanks LED segments to avoid glare while maintaining maximum illumination for oncoming traffic. IC Role / Device Role / Timing Role: ASL5008SHNZ acts as the high-side LED switch controller with real-time dimming curve selection and per-segment fault isolation. Use Value: Enables pixel-level beam shaping using only 12 channels per IC, with Smart PWM reducing CAN bus load during rapid scene transitions. |
Use Scenario: Sequential activation of LED strips along vehicle side mirrors or fenders to indicate turning direction with motion effect. IC Role / Device Role / Timing Role: ASL5008SHNZ drives multiple LED strings in synchronized sequence using preloaded dimming curves and phase-shifted PWM outputs. Use Value: Achieves smooth visual flow without MCU timing overhead, leveraging on-chip curve sequencing and 12-bit resolution to eliminate stepping artifacts. |
| Welcoming Light Sequence | Dynamic Rear Lighting |
Use Scenario: Vehicle activates progressive LED illumination patterns upon key approach or door handle touch to enhance user experience. IC Role / Device Role / Timing Role: ASL5008SHNZ executes timed, multi-curve dimming sequences stored onboard, triggered via CAN command from body controller. Use Value: Offloads animation logic from main ECU; enables complex fade-in/fade-out effects using internal polynomial interpolation without runtime computation. |
Use Scenario: Brake, turn, and reverse lights implement animated transitions (e.g., sweeping stop light) compliant with UNECE R148. IC Role / Device Role / Timing Role: ASL5008SHNZ controls segmented rear arrays with independent current regulation and synchronized fault reporting per channel. Use Value: Supports dual-function operation (brake + animation) via fast curve switching, while open/short detection ensures regulatory compliance through continuous LED health monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matrix LED control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASL5008SHV | Same Smart PWM functionality and 0.8 A rating, but in 48-pin HLQFP (SOT1571-1) package with different thermal and routing characteristics | Preferred for designs requiring leaded package for manual rework or legacy PCB assembly lines | Select ASL5008SHV when HLQFP mechanical compatibility or AOI inspection constraints dictate leaded packaging |
| ASL5108SHN | Same HVQFN36 package and pinout, but uses Direct PWM mode - requires continuous MCU updates per channel instead of on-chip curve generation | Suitable when system MCU has spare bandwidth and requires full real-time PWM value override per frame | Choose ASL5108SHN only if application demands per-cycle PWM value flexibility over reduced CAN traffic and deterministic dimming behavior |
Compared with ASL5008SHV, the ASL5008SHNZ offers superior thermal performance in compact layouts; compared with ASL5108SHN, it delivers lower system latency and reduced MCU processing load via embedded Smart PWM execution - critical for safety-critical ADB timing budgets.
Availability
ASL5008SHNZ is available at Aetrix Electronics and suitable for automotive exterior lighting, adaptive driving beam (ADB), and dynamic signaling applications requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for ASL5008SHNZ 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 markets, with deep expertise in automotive-grade mixed-signal ICs.
The ASL5008SHNZ belongs to NXP's Matrix LED Controller (MLC) product line, engineered specifically for scalable, safety-compliant automotive exterior lighting systems requiring precise per-pixel current control and robust diagnostics.
FAQ
What is the primary function of the ASL5008SHNZ in an automotive lighting system?
The ASL5008SHNZ serves as a Smart-mode matrix LED controller that manages up to 12 LED segments with 0.8 A per channel, executing on-chip PWM dimming curves to reduce MCU data traffic. It provides real-time fault detection, thermal monitoring via NTC input, and CAN-based system integration - all within an AEC-Q100 Grade 1 qualified HVQFN36 package. The ASL5008SHNZ enables adaptive beam shaping and dynamic lighting effects without external timing components.
Does the ASL5008SHNZ require an external crystal oscillator?
No, the ASL5008SHNZ integrates a 200 MHz internal oscillator that eliminates the need for an external quartz. Clock accuracy is maintained below 0.25% through CAN-ID-based trimming, improving EMC performance and reducing BOM cost. This internal clock synchronizes all PWM generators, communication interfaces, and diagnostic modules within the ASL5008SHNZ, ensuring deterministic timing behavior across temperature and voltage variations.
How does the ASL5008SHNZ support LED brightness uniformity across multiple segments?
The ASL5008SHNZ implements LED brightness variation correction by applying per-channel current compensation based on factory-programmed or runtime-calibrated luminance data. This function corrects for inherent LED binning differences and aging effects, ensuring homogeneous light output without requiring external optical sensors or MCU-level calibration routines. The ASL5008SHNZ applies this correction transparently during Smart PWM execution, preserving dimming fidelity and visual consistency.
What diagnostic capabilities does the ASL5008SHNZ provide for automotive safety compliance?
The ASL5008SHNZ delivers comprehensive diagnostics including single LED open/short detection with bypass capability, 6-bit NTC-based temperature monitoring, ID resistor validation for PCB identification, charge pump capacitor health checks, internal junction temperature feedback (9-bit via CAN), and Power OK (POK) status assertion. All flags are accessible through the CAN interface, enabling ASIL-B–compatible system-level fault handling without additional monitoring circuitry - a key requirement for ISO 26262-compliant lighting modules.
Is the ASL5008SHNZ pin-compatible with other members of the ASL5xxx family?
Yes, the ASL5008SHNZ is pin-to-pin compatible with all ASL5xxx variants in the same HVQFN36 package, including ASL5108SHN (Direct PWM), ASL5015SHN (1.5 A Smart), and ASL5115SHN (1.5 A Direct). This allows seamless current-scaling or mode-upgrade paths without PCB redesign. However, firmware and configuration must be adjusted to match the selected variant's PWM architecture and current rating - the ASL5008SHNZ specifically supports Smart PWM with 0.8 A per switch.
ASL5008SHNZ 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)
ASL5008SHNZ FAQ
1.How can I place an order for ASL5008SHNZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ASL5008SHNZ 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 ASL5008SHNZ reliable?
The price and inventory of ASL5008SHNZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASL5008SHNZ is usually 5 days.
3.What payment methods are accepted for ASL5008SHNZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASL5008SHNZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASL5008SHNZ?
ASL5008SHNZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASL5008SHNZ 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 ASL5008SHNZ?
For technical support, including ASL5008SHNZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASL5008SHNZ requirements.
6.How does Aetrix verify that ASL5008SHNZ is sourced from the original manufacturer or authorized distributors?
All ASL5008SHNZ 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 ASL5008SHNZ meets industry standards.
7.What is the process for return or replacement of ASL5008SHNZ?
All ASL5008SHNZ units undergo pre-shipment inspection (PSI). If there is an issue with ASL5008SHNZ, 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 ASL5008SHNZ part is unused and in its original packaging.
Return procedure for ASL5008SHNZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ASL5008SHNZ Tags
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