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NXP Semiconductors ASL5015SHNZ
- Part No.:
- ASL5015SHNZ
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 36-VFQFN Exposed Pad
- Datasheet:
-
ASL5015SHNZ.pdf
- Description:
- IC LED DRV CTRL PWM 1.5A 36HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,302
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Product details
Overview
ASL5015SHNZ from NXP Semiconductors is a Smart-mode Matrix LED Controller (MLC) for automotive exterior lighting, delivering 1.5 A per channel, 12-bit PWM dimming resolution with on-chip polynomial curve generation, and CAN interface control. It supports up to 12 LED segments, operates from –40 °C to +125 °C ambient, and integrates diagnostics including NTC temperature feedback and open/short LED detection.
For engineers reviewing the ASL5015SHNZ datasheet, ASL5015SHNZ pinout, ASL5015SHNZ application, or ASL5015SHNZ equivalent, this device is selected for ADB high-beam pixel control, dynamic rear lighting, and matrix low-beam systems requiring glitch-free dimming, thermal monitoring, and reduced MCU data traffic via stored PWM curves.
Technical Context
The ASL5015SHNZ implements a Smart PWM architecture where dimming duty cycles are calculated internally using user-programmable 12-bit polynomial coefficients-eliminating continuous PWM value updates from the host microcontroller. Its 200 MHz internal oscillator provides <0.25% clock accuracy and removes external quartz dependency.
It features 12 independent output switches arranged in four configurable 3-switch blocks, each floating up to 60 V relative to ground and paralleling-capable. Diagnostics include 6-bit NTC input, identification resistor sensing, charge pump failure detection, and 9-bit junction temperature reporting via CAN.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max current per switch | 1.5 A - enables driving high-brightness LED segments in matrix headlamps without external boost stages |
| PWM resolution | 12-bit - ensures smooth, imperceptible dimming transitions across full brightness range |
| Operating temp | –40 °C to +125 °C ambient - meets AEC-Q100 Grade 1 for under-hood and exterior automotive placement |
| Interface | CAN (Classical) - supports daisy-chained control of up to 32 MLCs (384 LEDs) with broadcast messaging |
| RDS(on) | 100 mΩ - minimizes conduction loss and thermal rise at 1.5 A continuous load per channel |
| Internal oscillator | 200 MHz ±0.25% - eliminates external crystal, reduces BOM cost and improves EMC performance |
| LED channel count | 12 - configured as 4 blocks × 3 switches, each block independently floatable up to 60 V |
Pinout & Package
ASL5015SHNZ is housed in a thermally enhanced, automotive-qualified 36-pin HVQFN package (SOT1092-4), optimized for IMS PCB mounting with single-layer routing capability and no track crossing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Supply input | 5 V ±0.5 V main power rail; includes under-voltage lockout protection |
| GND | Ground reference | Dedicated power and analog ground pins ensure noise immunity for precision dimming |
| CANH / CANL | CAN physical interface | Differential bus pair supporting classical CAN up to 1 Mbps; compatible with standard CAN transceivers |
| NTC_IN | Analog temperature input | 6-bit resolution ADC input for direct connection to NTC thermistor on LED board |
| ID_RES | PCB identification input | Analog input for resistor-based board characterization and variant detection |
| OUT0–OUT11 | LED driver outputs | 12 high-side switches with integrated 100 mΩ MOSFETs; support MTP configuration per block |
| CP_CAP | Charge pump capacitor terminal | External capacitor node for internal charge pump; monitored for failure detection |
Key Features
| Feature | Design Value |
|---|---|
| Smart PWM dimming | On-chip polynomial evaluation reduces MCU-to-MLC data traffic by >90% vs. direct PWM mode |
| LED brightness correction | Compensates for luminance variation across LEDs driven at identical current, ensuring uniform light output |
| Limp Home Mode (LHM) | Internally programmed fallback behavior upon CAN communication loss-maintains safe illumination level |
| Dynamic fault recovery | Open-circuit and short-circuit flags can be cleared and internal MOSFETs reset without power-cycle or POR |
| Thermal management | Integrated junction temperature sensor (9-bit resolution) reported via CAN; triggers thermal derating above 150 °C |
Applications
| Matrix High Beam (ADB) | Dynamic Rear Lighting |
|---|---|
Use Scenario: Adaptive Driving Beam system selectively blanks LED pixels to avoid glare while maintaining maximum forward illumination. IC Role / Device Role / Timing Role: ASL5015SHNZ acts as pixel-level current controller, executing real-time dimming commands from ADAS ECU via CAN. Use Value: 12-bit dimming resolution and phase-shifted PWM minimize visible flicker during rapid pixel reconfiguration. |
Use Scenario: Brake, turn, and hazard signals use programmable LED patterns that animate across rear lamp modules. IC Role / Device Role / Timing Role: ASL5015SHNZ drives individual LED segments with synchronized timing for smooth animation sequences. Use Value: On-chip PWM curve storage enables complex animations without constant MCU intervention, reducing bus load. |
| Dynamic Cornering Lights | Welcoming/Ambient Lighting |
Use Scenario: Front cornering lamps activate additional LED clusters during steering to illuminate road curvature. IC Role / Device Role / Timing Role: ASL5015SHNZ controls auxiliary LED groups based on vehicle speed and steering angle inputs. Use Value: Floating 3-switch blocks allow independent voltage referencing-enabling flexible layout on multi-zone PCBs. |
Use Scenario: Vehicle entry/exit sequences use soft-ramp LED activation with color-matching intensity profiles. IC Role / Device Role / Timing Role: ASL5015SHNZ executes preloaded dimming polynomials to generate precise fade-in/fade-out curves. Use Value: Internal 200 MHz oscillator ensures timing consistency across all channels-no external crystal skew or drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matrix LED controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASL5015FHN | CAN-FD interface instead of Classical CAN; higher data throughput but requires CAN-FD PHY | Preferred for next-gen architectures needing faster firmware updates or dense diagnostic streaming | Select ASL5015FHN only if CAN-FD infrastructure is already deployed and bandwidth exceeds Classical CAN limits |
| ASL5015SHV | 48-pin HLQFP package (SOT1571-1) instead of 36-pin HVQFN; larger footprint, leaded, better thermal dissipation | Suitable for designs requiring manual rework, legacy assembly lines, or higher power density with heatsinking | Choose ASL5015SHV when thermal margin is critical or HVQFN reflow capability is limited in production |
Compared with ASL5015FHN and ASL5015SHV, the ASL5015SHNZ offers optimal balance of compact size, thermal performance, and compatibility with existing Classical CAN automotive networks-making it the default choice for new ADB and dynamic lighting modules targeting HVQFN-optimized layouts.
Availability
ASL5015SHNZ is available at Aetrix Electronics and suitable for automotive exterior lighting, adaptive beam control, and dynamic rear lighting requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for ASL5015SHNZ 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 ASL5015SHNZ belongs to NXP's Matrix LED Controller (MLC) family, designed specifically to enable scalable, high-reliability pixelated lighting systems compliant with UNECE R149 and SAE J2999 standards.
FAQ
What is the primary function of the ASL5015SHNZ in an automotive lighting system?
The ASL5015SHNZ serves as a Smart-mode matrix LED controller that independently calculates and applies 12-bit PWM dimming to up to 12 LED segments using on-chip polynomial coefficients. It reduces MCU data overhead, enables precise brightness correction, and supports diagnostics such as NTC temperature monitoring and open/short detection-all critical for ADB and dynamic lighting compliance.
Does the ASL5015SHNZ require an external crystal oscillator?
No, the ASL5015SHNZ integrates a 200 MHz internal oscillator trimmed via CAN messages to achieve <0.25% accuracy. This eliminates the need for an external quartz, lowering system cost, simplifying layout, and improving electromagnetic compatibility-confirmed in the official NXP product brief Rev. 1.0.
How does the ASL5015SHNZ handle LED current variations across multiple segments?
The ASL5015SHNZ implements LED brightness variation correction by applying per-channel gain factors derived from factory calibration or runtime measurements. This ensures uniform luminance across all 12 segments even when LEDs exhibit inherent binning differences-directly supported by the "LED brightness variation correction functionality" feature listed in Section 2 of the product brief.
What package type and pin count does the ASL5015SHNZ use?
The ASL5015SHNZ uses a 36-pin HVQFN package (SOT1092-4), specified in Table 2 of the NXP product brief. This thermally enhanced, leadless automotive-qualified package supports IMS PCB mounting and single-layer routing, with pin assignments validated against the official mechanical drawing SOT1092-4.
Can the ASL5015SHNZ operate without CAN communication after initial configuration?
Yes-the ASL5015SHNZ includes an internally programmed Limp Home Mode (LHM) that activates upon CAN communication failure. In this mode, it maintains a predefined safe illumination level using stored parameters, ensuring functional safety compliance without requiring external watchdog or reset circuitry.
ASL5015SHNZ 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:
- 1.5A
- 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)
ASL5015SHNZ FAQ
1.How can I place an order for ASL5015SHNZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ASL5015SHNZ 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 ASL5015SHNZ reliable?
The price and inventory of ASL5015SHNZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASL5015SHNZ is usually 5 days.
3.What payment methods are accepted for ASL5015SHNZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASL5015SHNZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASL5015SHNZ?
ASL5015SHNZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASL5015SHNZ 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 ASL5015SHNZ?
For technical support, including ASL5015SHNZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASL5015SHNZ requirements.
6.How does Aetrix verify that ASL5015SHNZ is sourced from the original manufacturer or authorized distributors?
All ASL5015SHNZ 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 ASL5015SHNZ meets industry standards.
7.What is the process for return or replacement of ASL5015SHNZ?
All ASL5015SHNZ units undergo pre-shipment inspection (PSI). If there is an issue with ASL5015SHNZ, 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 ASL5015SHNZ part is unused and in its original packaging.
Return procedure for ASL5015SHNZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ASL5015SHNZ Tags
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BCR402RE6327HTSA1
Infineon Technologies
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BCR430UXTSA2
Infineon Technologies
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BCR420UE6433HTMA1
Infineon Technologies
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BCR420UE6327HTSA1
Infineon Technologies
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BCR421UE6327HTSA1
Infineon Technologies
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LYT1604D-TL
Power Integrations
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HV9910CLG-G
Microchip Technology
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CL2N8-G
Microchip Technology
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BCR420UW6-7
Diodes Incorporated
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BCR421UW6-7
Diodes Incorporated
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BCR420UFD-7
Diodes Incorporated
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BCR421UFD-7
Diodes Incorporated
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