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ASL5015FHN 数据表(PDF) 3 Page - NXP Semiconductors |
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ASL5015FHN 数据表(HTML) 3 Page - NXP Semiconductors |
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3 / 69 page  NXP Semiconductors ASL5xxxyHz Matrix LED Controller (MLC) ASL5xxxyHz All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 2.1 — 5 February 2019 3 / 69 2 Features • Automotive grade product that is AEC-Q100 grade 1 and AEC-Q006 qualified • Operating ambient temperature range of –40 °C to +125 °C • Maximum junction temperature of 175 °C • Operating input voltage 5 V ± 0.5 V. Vcc pin. • Able to drive up to 12 LEDs / segments, with a string voltage range up to 57 V • Able to drive multiple LEDs per switch (MTP configurable) • 12 channels, arranged in 4 configurable blocks of 3 switches per block • Each block of three can fully float up to 60 V with respect to ground and can be paralleled with any other block • Each switch can control up to 1.5 A LED current in the ASL5x15yHz family and up to 0.8 A in the ASL5x08yHz family • 100 mΩ (Rdson) switches for 1.5 A part numbers and 200 mΩ for 0.8 A part numbers • PWM dimming with 12-bit resolution and built-in phase shifting for minimum losses • Internal PWM duty cycle generator with incremental calculation for glitch-free operation in the ASL50xxyHz family—Smart • On-chip storage of preprogrammed PWM curves to reduce data traffic in ASL50xxyHz family—Smart • LED brightness variation correction functionality • On-chip 200 MHz oscillator, avoiding need for external quartz • CAN-based serial interface with optional external CAN physical layer • Broadcast messages to reduce system latency and bus load • Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI) • Individual LED open and LED short-fault monitoring, with bypass feature on open condition • NTC input with 6-bit resolution for LED temperature monitoring; directly connected to MLC • Identification resistor input • MLC can be used in a configuration of up to 32 ICs in a single CAN network • Small package outline, leadless HVQFN package with improved Automated Optical Inspection (AOI) capability and leaded HLQFP package • Low operational current consumption • Sleep and wake-up modes available • Standby current consumption < 1.35 mA • Input under voltage protection • 9-bit resolution IC junction temperature feedback via CAN interface • Internally programmed Limp Home Mode (LHM) in case of communication failure • Built-in charge pump failure operation mode (CPFSO) 3 Applications • Automotive lighting – Matrix/pixel high beam (ADB / Glare-Free High Beam - GFHB) – Matrix/pixel low beam (ADB) – Dynamic turning indicator – Welcoming scenarios – Dynamic rear lights |
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