Overview
The ASL5115SHNZ is a Matrix LED Controller (MLC) produced by NXP USA Inc., designed to provide a cost-effective and flexible solution for LED lighting systems. This device is part of the ASL5xxxyHz family, which is optimized for automotive applications and meets stringent automotive qualification standards, including AEC Q100 grade 1 and AEC Q006. It operates over a wide ambient temperature range of –40 °C to +125 °C, making it suitable for harsh environments.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | HVQFN36 |
| Maximum Current per Switch | 1.5 A |
| Switch Resistance (Rdson) | 100 mΩ |
| Operating Ambient Temperature Range | –40 °C to +125 °C |
| Maximum Junction Temperature | 175 °C |
| Operating Input Voltage | 5 V ± 0.5 V |
| Number of Channels | 12 channels, arranged in 4 configurable blocks of 3 switches per block |
| PWM Dimming Resolution | 12-bit resolution |
| Communication Interface | CAN-based serial interface with optional external CAN physical layer |
| LED Voltage Range | Up to 57 V |
Key Features
- Automotive grade product, AEC Q100 grade 1 and AEC Q006 qualified.
- Operates over a wide ambient temperature range of –40 °C to +125 °C.
- Able to drive up to 12 LEDs/segments with a string voltage range up to 57 V.
- 12-bit resolution PWM dimming with built-in phase shifting for minimum losses.
- Internal PWM duty cycle generator with incremental calculation for glitch-free operation.
- On-chip storage of preprogrammed PWM curves to reduce data traffic.
- LED brightness variation correction functionality.
- On-chip 200 MHz oscillator, avoiding the need for an external quartz.
- Individual LED open and LED short-fault monitoring with bypass feature on open condition.
- NTC input with 6-bit resolution for LED temperature monitoring.
- Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI).
Applications
The ASL5115SHNZ is primarily designed for automotive LED lighting applications, including dashboard lighting, ambient lighting, and exterior lighting. Its robust design and wide operating temperature range make it suitable for use in harsh automotive environments. Additionally, its flexibility and scalability allow it to be used in various other applications requiring high-performance LED control, such as industrial lighting and display systems.
Q & A
- What is the ASL5115SHNZ used for?
The ASL5115SHNZ is a Matrix LED Controller (MLC) used for controlling LED lighting systems, particularly in automotive applications.
- What are the key qualifications of the ASL5115SHNZ?
The ASL5115SHNZ is AEC Q100 grade 1 and AEC Q006 qualified, making it suitable for automotive use.
- What is the operating ambient temperature range of the ASL5115SHNZ?
The operating ambient temperature range is –40 °C to +125 °C.
- How many LEDs can the ASL5115SHNZ control?
The device can control up to 12 LEDs/segments.
- What is the maximum current per switch for the ASL5115SHNZ?
The maximum current per switch is 1.5 A.
- Does the ASL5115SHNZ support PWM dimming?
Yes, it supports 12-bit resolution PWM dimming with built-in phase shifting.
- What communication interface does the ASL5115SHNZ use?
The device uses a CAN-based serial interface with an optional external CAN physical layer.
- Can the ASL5115SHNZ monitor LED faults?
Yes, it has individual LED open and LED short-fault monitoring with a bypass feature on open condition.
- Is the ASL5115SHNZ resistant to electromagnetic interference?
Yes, it has low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI).
- What is the maximum junction temperature of the ASL5115SHNZ?
The maximum junction temperature is 175 °C.
