MAX21610

PRODUCTION

16-Channel Automotive Local-Dimming Backlight Driver with SPI Interface

16-Channel 100mA LED Local Dimming Driver Provides Full Diagnostics through SPI

Data Sheet (Rev. 7) Product Selection Table
Part Models
8
1ku List Price
Starting From $3.93
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Part Details

  • High Integration
    • Complete 16-Channel Solution with Independent Dimming and Daisy-Chain Option
    • SPI Control for Minimum Parts Count
  • Robust and Low EMI
    • Programmable Spread Spectrum On Outputs
    • Slew-Rate Controlled Switching On LED Outputs
    • Programmable Phase Shift Between Outputs
  • Relative Dimming Ratio Between Strings Up to 32768:1
  • Latch Input (RST_LAT) for Synchronization to Video Frame
  • FB Output to Control External Power Supply for Minimum System Power Dissipation
  • 1% Accurate Output Current
  • Complete Diagnostics
    • LED Open/Short Detection and Protection
    • Power Supply Overvoltage Protection
    • Thermal Warning
    • Thermal Shutdown
  • Compact 32-Pin TQFN 5mm x 5mm Package
MAX21610
16-Channel Automotive Local-Dimming Backlight Driver with SPI Interface
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Documentation

Data Sheet 1

Technical Articles 3

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Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).

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Tools & Simulations

Software Development 1

Evaluation Kits

MAX21610EVKIT

Evaluation Kit for the MAX21610

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Features and Benefits

  • SPI Programmability
  • Dedicated GUI
  • Proven PCB and Thermal Design
  • Fully Assembled and Tested

Product Details

The MAX21610 evaluation kit (EV kit) demonstrates the MAX21610 16-channel automotive local-dimming backlight driver with SPI interface for automotive displays.

The EV kit operates from a DC supply voltage between 3V and 5V (VSUPPLY) while the external LEDs can be powered either from the on-board MAX20077 buck converter or from the on-board MAX20048 buck-boost converter. An external power supply connected to EXTVDDLED can also be used. The EV kit can be configured to operate alone or with other MAX21610 EV kits in a daisy-chain arrangement.

The EV kit also demonstrates short-LED, open-LED, VDDLED undervoltage, overvoltage, and overtemperature fault protection.

The EV kit provides an SPI interface that can operate in conjunction with the MINIQUSB+* adapter board or a thirdparty SPI master. The EV kit also includes Windows®- compatible software that provides a simple graphical user interface (GUI) for exercising the features of the IC.

*Note: To be ordered separately.

Applications

  • Central Information Displays
  • Infotainment Displays
  • Instrument Clusters
MAX21610EVKIT
Evaluation Kit for the MAX21610

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