Description

The E521.38 is a multi channel PWM controller for RGB/W ambient light applications. It provides integrated current
sources controlled by PWM with 16 bit resolution. Each driver can be used to drive external loads with currents up to 60mA.
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Features

  • Supply range 4.75V to 18V
  • Driving up to 4 RGB or 3 RGBW/RGBY with up to 60mA
  • 6 RGB LED multiplexing with 18 virtual PWM register
  • Boost mode for up to 150mA LED current
  • PWM generators up to 1kHz with full 16bit resolution
  • Developed according to ISO 26262 for applications up to ASIL B
  • High speed differential PHY for communication up to 2Mbit/s
  • Auto addressing via differential PHY up to 1Mbit/s
  • Integrated ARM M0 microcontroller
  • 32 kByte flash application memory with page protection
  • 128 Byte EEPROM configuration memory
  • 2kByte RAM
  • Internal ADC with 12bit and 1MS/s for LED voltage and
    LED temperature diagnosis by application software
  • ARM serial wire debug (SWD) interface
  • Hardware divider / multiplier
  • Full automotive qualification AEC-Q100

Documentation

On Request

File Description
E521.38 Data Sheet

Application Diagram

Applications

  • RGB, RGBW and RGBY application for interior and exterior
  • Safety relevant application in the passenger compartment

Ordering Information

Samples

Part No.Temp. RangePackageOrder No.
E521.38-40°C to +125°CDFN18L5040E52138A84CXX2

 

*) Power Zeroing is an elmos patent filed: US10136496B2 (2014-01-31) and EP3039945B1 (2014-08-27)
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