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RGB-LED-Treiber

TLC59208F

AKTIV

8-Bit-LED-Treiber (stromsenkend) mit Fast-Mode Plus (FM+) und I2C-Bus für Konstantstrom

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Datenblatt

TLC59208F

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 8 LED current per channel (mA) 50 LED configuration Parallel, Series, Single Program memory No Topology Current Sink, Linear Vin (min) (V) 3 Vin (max) (V) 5.5 Iout (max) (A) 0.4 Features I2C control Iq (typ) (mA) 5 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 8 LED current per channel (mA) 50 LED configuration Parallel, Series, Single Program memory No Topology Current Sink, Linear Vin (min) (V) 3 Vin (max) (V) 5.5 Iout (max) (A) 0.4 Features I2C control Iq (typ) (mA) 5 Operating temperature range (°C) -40 to 85 Rating Catalog
TSSOP (PW) 16 32 mm² 5 x 6.4 VQFN (RGY) 16 14 mm² 4 x 3.5
  • Eight LED Drivers (Each Output Programmable at OFF,
    ON, Programmable LED Brightness, Programmable Group
    Dimming/Blinking Mixed With Individual LED Brightness)
  • Eight Open-Drain Output Channels
  • 256-Step (8-Bit) Linear Programmable Brightness Per
    LED Output Varying From Fully Off (Default) to Maximum
    Brightness Using a 97-kHz PWM Signal
  • 256-Step Group Brightness Control Allows General
    Dimming [Using a 190-Hz PWM Signal From Fully Off
    to Maximum Brightness (Default)]
  • 256-Step Group Blinking With Frequency Programmable
    From 24 Hz to 10.73 s and Duty Cycle From 0% to 99.6%
  • 64 Programmable Slave Addresses Using Three Hardware
    Address Pins
  • Four Software Programmable I2C Bus Addresses
    (One LED Group Call Address and Three LED Sub Call
    Addresses) Allow Groups of Devices to be Simultaneously
    Addressed Any Combination (For Example, One Register
    Used for ‘All Call’ so That All the TLC59208Fs
    on the I2C Bus Can be Simultaneously Addressed
    and the Second Register Used for Three Different Addresses
    so That One Third of All Devices on the Bus Can be
    Simultaneously Addressed)
  • Software Enable and Disable for I2C Bus
    Address
  • Software Reset Feature (SWRST Call) Allows the Device
    to be Reset Through the I2C Bus
  • Up to 14 Possible Hardware Adjustable Individual I2C
    Bus Addresses Per Device so That Each Device Can be
    Programmed
  • Up to 64 Possible Hardware Adjustable Individual I2C
    Bus Addresses Per Device so That Each Device Can be
    Programmed Individually
  • Output State Change Programmable on the Acknowledge or
    the STOP Command to Update Outputs Byte-by-Byte or All
    at the Same Time (Default to )
  • Maximum Output Current: 50 mA
  • Maximum Output Voltage: 17 V
  • 25-MHz Internal Oscillator Requires no External Components
  • 1-MHz Fast-Mode Plus (FM+) Compatible I2C
    Bus Interface With 30-mA High Drive Capability
    on SDA Output for Driving High Capacitive Buses
  • Internal Power-On Reset
  • Noise Filter on SCL/SDA Inputs
  • No Glitch on Power Up
  • Active-Low Reset (RESET)
  • Supports Hot Insertion
  • Low Standby Current
  • 3.3-V or 5-V Supply Voltage
  • 5.5-V Tolerant Inputs
  • Packages Offered: 16-Pin Thin Shrink Small-Outline Package
    [TSSOP (PW)], 16-Pin Quad Flatpack No Lead [QFN (RGY)]
  • –40°C to 85°C Operation
  • Eight LED Drivers (Each Output Programmable at OFF,
    ON, Programmable LED Brightness, Programmable Group
    Dimming/Blinking Mixed With Individual LED Brightness)
  • Eight Open-Drain Output Channels
  • 256-Step (8-Bit) Linear Programmable Brightness Per
    LED Output Varying From Fully Off (Default) to Maximum
    Brightness Using a 97-kHz PWM Signal
  • 256-Step Group Brightness Control Allows General
    Dimming [Using a 190-Hz PWM Signal From Fully Off
    to Maximum Brightness (Default)]
  • 256-Step Group Blinking With Frequency Programmable
    From 24 Hz to 10.73 s and Duty Cycle From 0% to 99.6%
  • 64 Programmable Slave Addresses Using Three Hardware
    Address Pins
  • Four Software Programmable I2C Bus Addresses
    (One LED Group Call Address and Three LED Sub Call
    Addresses) Allow Groups of Devices to be Simultaneously
    Addressed Any Combination (For Example, One Register
    Used for ‘All Call’ so That All the TLC59208Fs
    on the I2C Bus Can be Simultaneously Addressed
    and the Second Register Used for Three Different Addresses
    so That One Third of All Devices on the Bus Can be
    Simultaneously Addressed)
  • Software Enable and Disable for I2C Bus
    Address
  • Software Reset Feature (SWRST Call) Allows the Device
    to be Reset Through the I2C Bus
  • Up to 14 Possible Hardware Adjustable Individual I2C
    Bus Addresses Per Device so That Each Device Can be
    Programmed
  • Up to 64 Possible Hardware Adjustable Individual I2C
    Bus Addresses Per Device so That Each Device Can be
    Programmed Individually
  • Output State Change Programmable on the Acknowledge or
    the STOP Command to Update Outputs Byte-by-Byte or All
    at the Same Time (Default to )
  • Maximum Output Current: 50 mA
  • Maximum Output Voltage: 17 V
  • 25-MHz Internal Oscillator Requires no External Components
  • 1-MHz Fast-Mode Plus (FM+) Compatible I2C
    Bus Interface With 30-mA High Drive Capability
    on SDA Output for Driving High Capacitive Buses
  • Internal Power-On Reset
  • Noise Filter on SCL/SDA Inputs
  • No Glitch on Power Up
  • Active-Low Reset (RESET)
  • Supports Hot Insertion
  • Low Standby Current
  • 3.3-V or 5-V Supply Voltage
  • 5.5-V Tolerant Inputs
  • Packages Offered: 16-Pin Thin Shrink Small-Outline Package
    [TSSOP (PW)], 16-Pin Quad Flatpack No Lead [QFN (RGY)]
  • –40°C to 85°C Operation

The TLC59208F is an I2C bus controlled 8-bit LED driver optimized for red/green/blue/amber (RGBA) color mixing applications. Each LED output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 97 kHz with a duty cycle that is adjustable from 0% to 99.6% to allow the LED to be set to a specific brightness value.

An additional 8-bit resolution (256 steps) group PWM controller has both a fixed frequency of 190 Hz and an adjustable frequency between 24 Hz to once every 10.73 seconds with a duty cycle that is adjustable from 0% to 99.6% that is used to either dim or blink all LEDs with the same value.

Each LED output can be off, on (no PWM control), set at its individual PWM controller value or at both individual and group PWM controller values. The TLC59208F operates with a supply voltage range of 3 V to 5.5 V and the outputs are 17 V tolerant. LEDs can be directly connected to the TLC59208F device outputs.

Software programmable LED Group and three Sub Call I2C bus addresses allow all or defined groups of TLC59208F devices to respond to a common I2C bus address, allowing for example, all the same color LEDs to be turned on or off at the same time or marquee chasing effect, thus minimizing I2C bus commands.

Three hardware address pins allow up to 64 devices on the same bus.

The software reset (SWRST) Call allows the master to perform a reset of the TLC59208F through the I2C bus, identical to the power-on reset (POR) that initializes the registers to their default state causing the outputs to be set high (LED off). This allows an easy and quick way to reconfigure all device registers to the same condition.

The TLC59208F is an I2C bus controlled 8-bit LED driver optimized for red/green/blue/amber (RGBA) color mixing applications. Each LED output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 97 kHz with a duty cycle that is adjustable from 0% to 99.6% to allow the LED to be set to a specific brightness value.

An additional 8-bit resolution (256 steps) group PWM controller has both a fixed frequency of 190 Hz and an adjustable frequency between 24 Hz to once every 10.73 seconds with a duty cycle that is adjustable from 0% to 99.6% that is used to either dim or blink all LEDs with the same value.

Each LED output can be off, on (no PWM control), set at its individual PWM controller value or at both individual and group PWM controller values. The TLC59208F operates with a supply voltage range of 3 V to 5.5 V and the outputs are 17 V tolerant. LEDs can be directly connected to the TLC59208F device outputs.

Software programmable LED Group and three Sub Call I2C bus addresses allow all or defined groups of TLC59208F devices to respond to a common I2C bus address, allowing for example, all the same color LEDs to be turned on or off at the same time or marquee chasing effect, thus minimizing I2C bus commands.

Three hardware address pins allow up to 64 devices on the same bus.

The software reset (SWRST) Call allows the master to perform a reset of the TLC59208F through the I2C bus, identical to the power-on reset (POR) that initializes the registers to their default state causing the outputs to be set high (LED off). This allows an easy and quick way to reconfigure all device registers to the same condition.
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Typ Titel Datum
* Data sheet TLC59208F 8-Bit Fm+ I2C Bus LED Driver datasheet (Rev. A) PDF | HTML 30 Nov 2015
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Application note How to Select a RGB LED Driver 08 Aug 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018

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