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NXP ASL4501SHNY product image
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NXP ASL4501SHNYRoHS

Manufacturer
NXP
MPN
ASL4501SHNY
LCSC Part #
C2679224
Packaging
HVQFN-32-EP(5x5)
Customer #
Key Attributes
10V~80V Boost DC-DC 5.5V~40V HVQFN-32-EP(5x5) LED Drivers ICs RoHS
Datasheetpdf iconNXP ASL4501SHNY
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QtyUnit Price(Reference Only)Total Amount
1+$ 3.6851$ 3.69
10+$ 3.1602$ 31.60
30+$ 2.8462$ 85.39
100+$ 2.5306$ 253.06
Standard Packaging6000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerNXP
PackagingHVQFN-32-EP(5x5)
Output Voltage10V~80V
Frequency - Switching-
Features-
Switch Tube (Built-In/External)External
Operating temperature-40℃~+125℃
Voltage - Input(AC)-
Number of Channels-
TopologyBoost
TypeDC-DC
Output Current-
Voltage - Input(DC)5.5V~40V
Constant Current Accuracy-
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging6000
Sales UnitPiece

Introduction

AI Translation

The ASL4501SHN is a highly integrated and flexible four-phase DC-DC boost converter IC with a Serial Peripheral Interface (SPI) for control and diagnostic communication with an external microcontroller. Primarily designed for automotive LED lighting applications, it provides an optimized supply voltage for ASLx41xSHN multi-channel LED buck drivers. It employs fixed-frequency peak current mode control with parabolic/nonlinear slope compensation, operates over an input voltage range of 5.5V to 40V, and can be configured via SPI for output voltages up to 80V. As a four-phase converter, it provides two independent outputs with flexible configuration options. It can drive up to four external low-side N-channel MOSFETs using an internal adjustable voltage regulator, supporting both logic-level and standard-level MOSFETs. The integrated SPI interface enables programming of supply undervoltage/overvoltage thresholds, output voltage range, and DC-DC switching frequency, while also providing diagnostic information such as driver temperature. It features load dump transient voltage protection and thermal shutdown. Housed in an HVQFN32 package, it is AEC-Q100 Grade 1 qualified and operates over the automotive ambient temperature range of -40°C to +125°C.

Features

AI Translation
  • ASL4501SHN is an automotive-grade product compliant with AEC-Q100 Grade 1 requirements
  • Operating ambient temperature range: -40°C to +125°C
  • Wide operating input voltage range: 5.5V to 40V
  • Output voltage programmable via SPI
  • Multi-phase operation for higher power capability
  • Up to 4 phases per output
  • Up to two flexible output voltages with 3% accuracy, programmable via SPI
  • Two output voltages independently controllable
  • Fixed-frequency operation via internal oscillator
  • Slope compensation tracks frequency and output voltage
  • Programmable control loop compensation
  • Fast and efficient FET switching
  • Programmable internal gate drive regulator
  • Gate switching disabled upon output overvoltage detection
  • Supports logic-level and standard-level FETs
  • Low EME and high EMI immunity
  • Output voltage monitoring
  • Supply voltage measurement
  • Device enable via control signal
  • Readback of programmed voltage and frequency range via SPI
  • Junction temperature monitoring via SPI
  • Compact HVQFN32 package
  • Low quiescent current < 5μA at 25°C when EN = 0
  • Precise in-phase power distribution to a single output

Applications

AI Translation
  • Low beam headlights
  • High beam headlights
  • Daytime running lights
  • Turn signal lights
  • Clearance lights or parking lights