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NXP Semiconductors ASL5108FHV/0Y
- Part No.:
- ASL5108FHV/0Y
- Manufacturer:
- NXP Semiconductors
- Category:
- LED Drivers
- Package:
- 48-LQFP Exposed Pad
- Datasheet:
-
ASL5108FHV/0Y.pdf
- Description:
- IC LED DRVR CTRLR PWM 48HLQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,517
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Product details
Overview
ASL5108FHV/0Y from NXP Semiconductors is a direct-PWM matrix LED controller for automotive exterior lighting, delivering 0.8 A per channel across 12 independently controllable switches, CAN-FD interface support, and operation from –40 °C to +125 °C ambient. It enables dynamic pixel-level beam shaping in adaptive driving beam (ADB) systems without external crystal, using an internal 200 MHz oscillator trimmed via CAN-ID.
For engineers reviewing the ASL5108FHV/0Y datasheet, ASL5108FHV/0Y pinout, ASL5108FHV/0Y application, or ASL5108FHV/0Y equivalent, key selection criteria include its HLQFP48 package, CAN-FD serial control of up to 32 ICs per network, 12-bit PWM resolution in direct mode, and integrated open/short LED fault detection with bypass capability.
Technical Context
The ASL5108FHV/0Y implements a direct-PWM architecture where the host microcontroller supplies real-time 12-bit PWM duty cycle values per channel at system-defined update intervals-no on-chip polynomial curve generation. Its 4 configurable blocks (3 switches each) support floating operation up to 60 V above ground and parallel connection between blocks for higher current or redundancy.
All 12 channels feature 200 mΩ RDS(on) high-side switches, integrated charge pump, and individual LED open/short monitoring with dynamic flag clearing and MOSFET reset-no power-on-reset required. Diagnostics-including NTC temperature feedback (6-bit), ID resistor input, junction temperature reporting (9-bit), and external component failure detection-are communicated over CAN-FD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | CAN-FD serial interface supporting broadcast messages and up to 32 devices per network |
| LED Channels | 12 independent high-side switches, grouped into 4 configurable blocks of 3 |
| Max Current per Switch | 0.8 A continuous, enabling drive of mid-power LED segments in matrix headlamps |
| RDS(on) | 200 mΩ typical at VGS = 8 V, minimizing conduction loss and thermal load |
| PWM Resolution | 12-bit (4096 steps) in direct mode, ensuring smooth, glitch-free dimming transitions |
| Operating Temp | –40 °C to +125 °C ambient, qualified to AEC-Q100 Grade 1 and AEC-Q006 |
| Oscillator | Internal 200 MHz oscillator (<0.25% accuracy), eliminating external crystal and reducing EMC risk |
Pinout & Package
The ASL5108FHV/0Y is housed in a thermally enhanced, automotive-qualified 48-pin HLQFP package (SOT1571-1), with exposed thermal pad for IMS PCB mounting and optimized pin layout enabling single-layer routing near LEDs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Supply input | 5 V ±0.5 V main power rail for logic and gate drivers |
| GND | Ground reference | Dedicated analog/digital ground pins with separate thermal pad connection |
| LEDx | High-side switch output | 12 dedicated outputs (LED1–LED12), each capable of sinking up to 0.8 A |
| NTC | Analog temperature input | Direct 6-bit NTC voltage measurement for LED thermal compensation |
| ID | PCB identification input | Analog input for resistor-based board characterization and calibration |
| CAN_H / CAN_L | CAN-FD differential bus | High-speed physical layer interface compliant with ISO 11898-2/5 |
| CPUMP | Charge pump capacitor terminal | External capacitor connection for high-side gate drive voltage generation |
| POK | Power OK status output | Open-drain flag indicating stable internal supply and functional readiness |
Key Features
| Feature | Design Value |
|---|---|
| Direct PWM mode | Enables full host control of 12-bit dimming per channel without on-chip curve storage-ideal for real-time adaptive algorithms |
| LED brightness correction | Compensates for luminance variation across LEDs driven at identical current, improving optical uniformity in pixel arrays |
| Limp Home Mode (LHM) | Internally programmed fallback behavior upon CAN-FD communication failure, maintaining safe illumination state |
| Dynamic fault recovery | Allows software-clearing of OC/SC flags and MOSFET reset without power cycle-reducing system downtime |
| Low standby current | <1.35 mA in sleep mode, meeting automotive off-state power budget requirements |
Applications
| Matrix High Beam (ADB) | Dynamic Rear Lighting |
|---|---|
Use Scenario: Pixelated high-beam control that selectively blanks segments to avoid glare while maintaining maximum forward illumination. IC Role / Device Role / Timing Role: Matrix LED Controller managing 12 individually switched LED segments per module, synchronized via CAN-FD across multiple modules. Use Value: Enables real-time beam shaping with 12-bit dimming granularity and <0.25% clock accuracy-critical for compliance with UNECE R149. |
Use Scenario: Animated brake, turn, and position light sequences with variable intensity and timing profiles. IC Role / Device Role / Timing Role: Direct-PWM driver for 12-channel rear lamp clusters, receiving time-critical dimming updates over CAN-FD. Use Value: Eliminates microcontroller overhead for curve calculation; supports smooth 12-bit transitions during fast animation cycles. |
| Dynamic Cornering Lights | Welcoming/Ambient Scenarios |
Use Scenario: Asymmetric LED activation during low-speed turns to illuminate curb-side road edge and shoulder. IC Role / Device Role / Timing Role: High-side switch controller with floating block architecture, allowing independent voltage referencing per 3-switch group. Use Value: Each 3-switch block floats up to 60 V above ground-enabling flexible placement on multi-voltage PCB zones near headlights. |
Use Scenario: Soft-illumination sequences during vehicle approach/departure, requiring precise low-current dimming fidelity. IC Role / Device Role / Timing Role: Low-noise, low-EMI LED driver with internal oscillator and phase-shifted PWM to minimize flicker and EME. Use Value: Internal 200 MHz clock eliminates quartz-related jitter and radiated emissions-improving CISPR 25 Class 5 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matrix LED control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASL5108SHV | Identical pinout and electrical specs, but uses standard CAN (not CAN-FD); lacks CAN-FD data rate and error handling enhancements | Suitable for legacy CAN networks where bandwidth >1 Mbps or FD frame format not required | Select ASL5108SHV only if CAN-FD infrastructure is unavailable and system latency tolerances permit standard CAN throughput |
| ASL5115FHV | Same HLQFP48 package and CAN-FD interface, but delivers 1.5 A per switch and 100 mΩ RDS(on) instead of 0.8 A / 200 mΩ | Required for higher-brightness LED segments or longer strings demanding >0.8 A per channel | Choose ASL5115FHV when thermal design allows higher current density and luminance targets exceed ASL5108FHV capability |
Compared with ASL5108SHV, ASL5108FHV/0Y provides higher CAN bandwidth and robustness for real-time ADB updates; compared with ASL5115FHV, it offers lower conduction loss trade-off for thermally constrained modules where 0.8 A suffices.
Availability
ASL5108FHV/0Y is available at Aetrix Electronics and suitable for automotive exterior lighting, adaptive driving beam (ADB) systems, and dynamic rear lighting requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for ASL5108FHV/0Y 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 ASL5108FHV/0Y belongs to NXP's Matrix LED Controller (MLC) product line, designed specifically for scalable, high-reliability pixel-level LED control in next-generation automotive lighting systems.
FAQ
What distinguishes ASL5108FHV/0Y from Smart-PWM variants like ASL5008FHV?
The ASL5108FHV/0Y operates exclusively in direct PWM mode: the host microcontroller must supply updated 12-bit duty cycle values for each of its 12 channels at defined intervals. Unlike ASL5008FHV-which stores and computes dimming curves internally-ASL5108FHV/0Y offloads all curve generation to the host, reducing MLC firmware complexity but increasing CAN-FD bus traffic. This makes ASL5108FHV/0Y ideal for systems with powerful host processors running real-time adaptive algorithms.
Does ASL5108FHV/0Y require an external crystal oscillator?
No, ASL5108FHV/0Y integrates a factory-trimmed 200 MHz oscillator with <0.25% accuracy, eliminating the need for an external quartz. Clock trimming is performed dynamically via CAN-ID messages, enabling precise synchronization across multiple ASL5108FHV/0Y devices on the same CAN-FD network without added components or EMC-sensitive traces.
How does ASL5108FHV/0Y handle LED open-circuit faults?
ASL5108FHV/0Y provides per-channel open-circuit detection with hardware bypass capability: when an open fault is detected, the affected LEDx output is automatically shorted to ground to maintain current path integrity for remaining LEDs in the same block. The Open Circuit (OC) flag is latched and can be cleared via CAN-FD command without resetting the device-enabling graceful degradation and diagnostics in safety-critical lighting.
What thermal management features does ASL5108FHV/0Y support?
ASL5108FHV/0Y integrates junction temperature monitoring with 9-bit resolution reported over CAN-FD, plus a dedicated 6-bit NTC input for direct LED temperature sensing. Its HLQFP48 package includes an exposed thermal pad optimized for mounting on IMS PCBs. Combined with 200 mΩ RDS(on) and internal thermal shutdown, these features enable reliable operation at +125 °C ambient in headlamp modules.
Can ASL5108FHV/0Y be used in a multi-IC daisy-chain configuration?
ASL5108FHV/0Y does not support daisy-chaining. It connects to the host microcontroller via a standard CAN-FD bus, supporting up to 32 devices on a single network through individual node addressing. Each ASL5108FHV/0Y operates autonomously with its own VCC, GND, and CAN_H/CAN_L connections-ensuring deterministic latency and fault isolation across the lighting system.
ASL5108FHV/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)
ASL5108FHV/0Y FAQ
1.How can I place an order for ASL5108FHV/0Y through Aetrix?
Please submit a Request for Quotation (RFQ) for ASL5108FHV/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 ASL5108FHV/0Y reliable?
The price and inventory of ASL5108FHV/0Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASL5108FHV/0Y is usually 5 days.
3.What payment methods are accepted for ASL5108FHV/0Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASL5108FHV/0Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASL5108FHV/0Y?
ASL5108FHV/0Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASL5108FHV/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 ASL5108FHV/0Y?
For technical support, including ASL5108FHV/0Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASL5108FHV/0Y requirements.
6.How does Aetrix verify that ASL5108FHV/0Y is sourced from the original manufacturer or authorized distributors?
All ASL5108FHV/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 ASL5108FHV/0Y meets industry standards.
7.What is the process for return or replacement of ASL5108FHV/0Y?
All ASL5108FHV/0Y units undergo pre-shipment inspection (PSI). If there is an issue with ASL5108FHV/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 ASL5108FHV/0Y part is unused and in its original packaging.
Return procedure for ASL5108FHV/0Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ASL5108FHV/0Y Tags
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