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TLC5928

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16 channel constant current LED driver with LED open Detection

Product details

Features Error Flag, LED Open Detection, ON/OFF LED Driver Data transfer rate (typ) (MHz) 35 Ch to ch accuracy (typ) (±%) 1 Rating Catalog Operating temperature range (°C) -40 to 85
Features Error Flag, LED Open Detection, ON/OFF LED Driver Data transfer rate (typ) (MHz) 35 Ch to ch accuracy (typ) (±%) 1 Rating Catalog Operating temperature range (°C) -40 to 85
TSSOP (PW) 24 49.92 mm² (7.8 mm × 6.4 mm) VQFN (RGE) 24 16 mm² (4 mm × 4 mm) HTSSOP (PWP) 24 49.92 mm² (7.8 mm × 6.4 mm) SSOP (DBQ) 24 51.9 mm² (8.65 mm × 6 mm)
  • 16 Channels, Constant-Current Sink Output with On/Off Control
  • 35-mA Capability (Constant-Current Sink)
  • 10-ns High-Speed Constant-Current Switching Transient Time
  • Low On-Time Error
  • LED Power-Supply Voltage up to 17 V
  • VCC = 3.0 V to 5.5 V
  • Constant-Current Accuracy:
    • Channel-to-Channel = ±1%
    • Device-to-Device = ±1%
  • CMOS Logic Level I/O
  • 35-MHz Data Transfer Rate
  • 20-ns BLANK Pulse Width
  • Readable Error Information:
    • LED Open Detection (LOD)
    • Pre-Thermal Warning (PTW)
  • Operating Temperature: –40°C to +85°C
  • APPLICATIONS
    • LED Video Displays
    • Message Boards
    • Illumination

    PowerPAD is a trademark of Texas Instruments, Inc.
    All other trademarks are the property of their respective owners.

    • 16 Channels, Constant-Current Sink Output with On/Off Control
    • 35-mA Capability (Constant-Current Sink)
    • 10-ns High-Speed Constant-Current Switching Transient Time
    • Low On-Time Error
    • LED Power-Supply Voltage up to 17 V
    • VCC = 3.0 V to 5.5 V
    • Constant-Current Accuracy:
      • Channel-to-Channel = ±1%
      • Device-to-Device = ±1%
    • CMOS Logic Level I/O
    • 35-MHz Data Transfer Rate
    • 20-ns BLANK Pulse Width
    • Readable Error Information:
      • LED Open Detection (LOD)
      • Pre-Thermal Warning (PTW)
    • Operating Temperature: –40°C to +85°C
  • APPLICATIONS
    • LED Video Displays
    • Message Boards
    • Illumination

    PowerPAD is a trademark of Texas Instruments, Inc.
    All other trademarks are the property of their respective owners.

    The TLC5928 is a 16-channel, constant-current sink LED driver. Each channel can be turned on/off by writing serial data to an internal register. The constant-current value of all 16 channels is set by a single external resistor.

    The TLC5928 has two error detection circuits: one for LED open detection (LOD) and one for a pre-thermal warning (PTW). LOD detects a broken or disconnected LED and LEDs shorted to GND while the constant-current output is on. PTW indicates a high temperature condition.

    The TLC5928 is a 16-channel, constant-current sink LED driver. Each channel can be turned on/off by writing serial data to an internal register. The constant-current value of all 16 channels is set by a single external resistor.

    The TLC5928 has two error detection circuits: one for LED open detection (LOD) and one for a pre-thermal warning (PTW). LOD detects a broken or disconnected LED and LEDs shorted to GND while the constant-current output is on. PTW indicates a high temperature condition.

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    Technical documentation

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    Top documentation Type Title Format options Date
    * Data sheet 16-Channel, Constant-Current LED Driver with LED Open Detection datasheet (Rev. E) Jan 26, 2011
    White paper Common LED Functions and LED Driver Design Considerations Sep 21, 2020
    Selection guide Power Management Guide 2018 (Rev. R) Jun 25, 2018
    Technical article Who tampered with my PLC? Are industrial control systems too flexible? PDF | HTML Aug 5, 2016

    Design & development

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    Simulation model

    TLC5928 IBIS Model

    SLIM244.ZIP (30 KB) - IBIS model
    Supported products & hardware
    Reference design

    TIDA-00560 — 16-channel Status LED Driver for PLC Modules Reference Design

    The objective of TIDA-00560 is to demonstrate a multi-channel LED driver as required in PLC I/O modules to indicate the status of several analog, digital input and output channels. Important requirements for low static current, low component count, minimal PCB requirements and an integrated LED (...)

    Supported products & hardware
    Reference design

    TIDA-01552 — 8 Channel, 2-A High-Side Driver Reference Design for Digital Output Modules

    This eight-channel, parallel, 2-A, high-side, digital output reference design for factory automation applications like PLCs shows the diagnostic features and the power density of new Texas Instruments high-side driver components (such as TPS27S100). Each output can individually measure the output (...)
    Supported products & hardware
    Package Pins CAD symbols, footprints & 3D models
    TSSOP (PW) 24 Ultra Librarian
    VQFN (RGE) 24 Ultra Librarian
    HTSSOP (PWP) 24 Ultra Librarian
    SSOP (DBQ) 24 Ultra Librarian

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