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Melexis Technologies NV MLX81113KLW-BAB-000-RE
- Part No.:
- MLX81113KLW-BAB-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Application Specific Microcontrollers
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
MLX81113KLW-BAB-000-RE.pdf
- Description:
- IC LIN RGB CTRLR 32KB 4CH 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,444
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Product details
Overview
MLX81113KLW-BAB-000-RE from Melexis is a fully integrated automotive-grade LIN slave IC for RGB+W LED ambient lighting control, featuring a 16-bit RISC microcontroller, LIN 2.x/J2602 transceiver and protocol controller, four 16-bit PWM outputs, and four high-voltage current sources (up to 60 mA each) in SOIC8 package with exposed pad. It enables color-tunable interior lighting modules in vehicles.
For engineers reviewing the MLX81113KLW-BAB-000-RE datasheet, pinout, applications, or equivalent options, key selection considerations include LIN bus compliance (LIN 2.x/SAE J2602), RGB+W current-source drive capability, ASIL-A support per ISO 26262, AEC-Q100 qualification, and diagnostic coverage for LED open/short detection.
Technical Context
The MLX81113KLW-BAB-000-RE integrates a LIN physical layer transceiver with autoaddressing via bus shunt method and a dedicated LIN protocol controller supporting up to 19.2 kBaud frame processing with low CPU interrupt load. Its embedded 16-bit pipelined RISC core executes LIN stack and lighting algorithms directly from 32 kByte Flash, using system ROM bootloader and 2 kByte RAM.
Four independent high-voltage I/Os serve as programmable current sources (0–60 mA) for RGB+W LEDs, each paired with 16-bit PWM for precise intensity control. Integrated diagnostics monitor LED health (open/short/threshold), while the 10-bit ADC with DMA supports temperature sensing, supply monitoring (VBat, VS), and IO voltage measurement using differential or single-ended modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| LIN Compliance | LIN 2.x and SAE J2602 compliant transceiver + protocol controller - ensures interoperability with standard automotive LIN master nodes. |
| PWM Resolution | 4× 16-bit PWM outputs - enables 65,536-step dimming control per channel for smooth color transitions. |
| LED Drive | 4× high-voltage current sources, up to 60 mA each - drives RGB+W LEDs directly without external drivers or resistors. |
| Memory | 32 kByte Flash, 2 kByte RAM, 576 Byte EEPROM - sufficient for LIN stack, lighting logic, and user-configurable color profiles. |
| Temperature Range | −40 °C to +125 °C - qualified for under-dash, door panel, and center console ambient lighting locations. |
| Supply Robustness | 28 V jump-start tolerant, integrated battery monitor with over/under-voltage detection - sustains operation during cranking and brown-out events. |
| Safety Certification | ISO 26262 ASIL-A development process, AEC-Q100 Grade 1 - meets functional safety requirements for non-critical ambient lighting systems. |
Pinout & Package
MLX81113KLW-BAB-000-RE is housed in an SOIC8 package with exposed thermal pad (pin pitch: 1.27 mm, body size: 4.9 × 3.9 mm). The exposed pad must be soldered to PCB ground for thermal and electrical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBat | Primary power supply input | Accepts 5.5–28 V DC; includes internal over/under-voltage protection and jump-start tolerance. |
| GND | Ground reference | Power and signal ground; connects to exposed thermal pad for thermal dissipation. |
| LIN_IN | LIN bus input (receiver) | High-impedance input for LIN data reception; compatible with LIN 2.x slew-rate requirements. |
| LIN_OUT | LIN bus output (driver) | Push-pull driver with controlled slew rate; supports autoaddressing via bus shunt method. |
| LC0–LC3 | LED current source outputs | Four high-voltage, current-regulated outputs (0–60 mA); each supports PWM dimming and open/short diagnostics. |
| VS | Supply sense input | Monitors VBat via internal resistor divider; used for battery voltage reporting and fault detection. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LIN transceiver + controller | Eliminates need for external LIN PHY or software stack implementation - reduces BOM count and firmware complexity. |
| 4× programmable current sources | Enables direct RGB+W LED drive without external current-setting resistors or MOSFETs - simplifies layout and improves thermal efficiency. |
| On-chip 10-bit ADC with DMA | Supports real-time monitoring of LED voltage, supply rail, die temperature, and IO states without CPU polling - lowers active power consumption. |
| Low-power sleep mode | Typical 25 μA standby current - extends module battery life during vehicle off-state while retaining LIN wake-up capability. |
| Embedded math co-processor | Hardware-accelerated 32-bit MUL/DIV - speeds up color space conversion (e.g., HSV-to-RGB) and gamma correction calculations. |
Applications
| Automotive Interior Ambient Lighting | Door Panel Illumination Modules |
|---|---|
Use Scenario: Dynamic cabin lighting synchronized with driving mode, time-of-day, or infotainment input. IC Role / Device Role / Timing Role: LIN slave node executing color-mixing algorithms and PWM timing generation for RGB+W LEDs. Use Value: Single-chip solution eliminates separate MCU, LIN transceiver, and LED drivers - reduces PCB area by >40% versus discrete implementations. | Use Scenario: Soft-glow lighting along door sills and armrests with proximity-triggered activation. IC Role / Device Role / Timing Role: Standby-mode-aware LIN endpoint providing wake-on-LIN and fast PWM ramp-up for instant illumination. Use Value: 25 μA sleep current and integrated diagnostics ensure reliable long-term operation without battery drain or field failures. |
| Center Console Accent Lighting | Dashboard Trim Illumination |
Use Scenario: Color-coordinated backlighting for rotary knobs, touch sliders, and HVAC controls. IC Role / Device Role / Timing Role: Precision current source delivering stable LED brightness across temperature (-40 °C to 125 °C) and supply variation. Use Value: Integrated temperature sensor and supply monitoring enable closed-loop brightness compensation - maintains consistent perceived luminance. | Use Scenario: Subtle edge-lit trim strips behind instrument cluster bezels and air vent surrounds. IC Role / Device Role / Timing Role: High-voltage current sink driving multiple parallel LEDs per channel with open-circuit fault detection. Use Value: Built-in LED diagnostics reduce warranty claims by enabling early detection of failed LEDs before visible dimming occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LIN-based RGB LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP MC33816 | Dual-channel high-side LED driver with SPI interface only; no integrated LIN controller or microcontroller. | Requires external MCU and LIN transceiver; suitable for designs needing higher current (>100 mA) per channel. | Select when higher drive strength or SPI-based system architecture is preferred over integrated LIN slave functionality. |
| Infineon TLD5098EL | Single-channel linear LED driver with analog/digital dimming; no LIN, no MCU, no diagnostics. | Targeted at basic monochrome LED biasing; lacks color mixing, communication, and fault reporting capabilities. | Select only for simple on/off or analog-dimmed white LED applications where LIN connectivity and RGB control are unnecessary. |
Compared with MC33816 and TLD5098EL, the MLX81113KLW-BAB-000-RE uniquely combines LIN slave functionality, RGB+W current sourcing, and embedded firmware execution in one SOIC8 package - reducing component count, software integration effort, and diagnostic development time for automotive ambient lighting modules.
Availability
MLX81113KLW-BAB-000-RE is available at Aetrix Electronics and suitable for automotive interior lighting, door panel illumination, and center console accent lighting requiring stable component supply, AEC-Q100 compliance, and LIN 2.x interoperability.
Supply support for MLX81113KLW-BAB-000-RE 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
Melexis is a Belgian semiconductor company specializing in magnetic sensing, infrared thermometry, and automotive ICs, with global design centers and AEC-Q100-compliant manufacturing partners.
The MLX81113 product line delivers single-chip LIN slave solutions for cost-sensitive, safety-conscious ambient lighting applications - targeting rapid development of ASIL-A-aligned RGB modules without external protocol stacks or driver components.
FAQ
What LIN protocol versions does the MLX81113KLW-BAB-000-RE support?
The MLX81113KLW-BAB-000-RE supports LIN 2.x and SAE J2602 specifications, including frame processing, autoaddressing via bus shunt method, and baud rates up to 19.2 kBaud. It implements both the LIN physical layer transceiver and protocol controller on-die, eliminating external components required for legacy LIN 1.x or custom implementations.
Does the MLX81113KLW-BAB-000-RE require an external current-setting resistor for LED drive?
No, the MLX81113KLW-BAB-000-RE integrates four programmable high-voltage current sources (LC0–LC3) capable of delivering up to 60 mA per channel without external resistors. Each current source is digitally adjustable and supports real-time diagnostics for open/short conditions - simplifying bill-of-materials and improving thermal performance over resistor-based solutions.
What is the operating temperature range and qualification status of the MLX81113KLW-BAB-000-RE?
The MLX81113KLW-BAB-000-RE operates from −40 °C to +125 °C and is AEC-Q100 Grade 1 qualified. It was developed following ISO 26262 processes for ASIL-A systems, making it suitable for automotive ambient lighting applications where functional safety documentation and traceability are required.
Can the MLX81113KLW-BAB-000-RE drive white LEDs in addition to RGB channels?
Yes, the MLX81113KLW-BAB-000-RE provides four independent current sources (LC0–LC3), explicitly supporting RGB+W configurations. The fourth channel (e.g., LC3) can drive a warm or cool white LED to expand color gamut and improve CRI - all controlled via LIN commands and modulated by its 16-bit PWM engine.
How does the MLX81113KLW-BAB-000-RE handle low-power operation during vehicle sleep mode?
The MLX81113KLW-BAB-000-RE achieves typical standby current of 25 μA in sleep mode, with LIN bus wake-up capability. Its internal RC oscillator remains active, and the watchdog timer operates independently - allowing rapid resumption of lighting functions upon LIN frame detection without external circuitry or host intervention.
MLX81113KLW-BAB-000-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Applications:
- Intelligent LED Driver
- Core Processor:
- 16-Bit
- Program Memory Type:
- FLASH (32kB), EEPROM (512B)
- Controller Series:
- -
- RAM Size:
- 2K x 8
- Interface:
- LIN
- Number of I/O:
- 4
- Voltage - Supply:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
MLX81113KLW-BAB-000-RE FAQ
1.How can I place an order for MLX81113KLW-BAB-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX81113KLW-BAB-000-RE 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 MLX81113KLW-BAB-000-RE reliable?
The price and inventory of MLX81113KLW-BAB-000-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX81113KLW-BAB-000-RE is usually 5 days.
3.What payment methods are accepted for MLX81113KLW-BAB-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX81113KLW-BAB-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX81113KLW-BAB-000-RE?
MLX81113KLW-BAB-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX81113KLW-BAB-000-RE 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 MLX81113KLW-BAB-000-RE?
For technical support, including MLX81113KLW-BAB-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX81113KLW-BAB-000-RE requirements.
6.How does Aetrix verify that MLX81113KLW-BAB-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX81113KLW-BAB-000-RE 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 MLX81113KLW-BAB-000-RE meets industry standards.
7.What is the process for return or replacement of MLX81113KLW-BAB-000-RE?
All MLX81113KLW-BAB-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX81113KLW-BAB-000-RE, 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 MLX81113KLW-BAB-000-RE part is unused and in its original packaging.
Return procedure for MLX81113KLW-BAB-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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