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TLC6C5748-Q1

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48-channel, 16-bit, PWM LED driver with internal current settings

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Data sheet
48-channel, 16-bit, PWM LED driver with internal current settings

TLC6C5748-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels (#) 48 Topology Current Sink Rating Automotive Operating temperature range (C) -40 to 125 Vin (Min) (V) 3 Vin (Max) (V) 5.5 Vout (Min) (V) 3 Vout (Max) (V) 5.5 Iout (Max) (A) 1.531 Iq (Typ) (mA) 15 Features LED Open Detection, LED Shorted Detection, Local dimming, PWM Dimming, Precision Dimming Control, Thermal Shutdown
Number of channels (#) 48 Topology Current Sink Rating Automotive Operating temperature range (C) -40 to 125 Vin (Min) (V) 3 Vin (Max) (V) 5.5 Vout (Min) (V) 3 Vout (Max) (V) 5.5 Iout (Max) (A) 1.531 Iq (Typ) (mA) 15 Features LED Open Detection, LED Shorted Detection, Local dimming, PWM Dimming, Precision Dimming Control, Thermal Shutdown
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HTSSOP (DCA) 56 113 mm² 14 x 8.1
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  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • 48 constant current sink output channels
  • Sink current capability with maximum MC, DC, and BC data:
    • 23.9 mA (VCC ≤ 3.6 V, MC = 5)
    • 31.9 mA (VCC > 3.6 V, MC = 7)
  • Grayscale (GS) control:
    • 16-bit (65, 536 steps) with enhanced spectrum or conventional PWM
  • Maximum Current (MC) control:
    • 3 bits (8 steps) with a 3-mA to 30-mA range
    • 3 MC sets for each color group
  • Dot Correction (DC) control:
    • 7 bits (128 steps) with a 26.2% to 100% range
  • Global brightness control (BC):
    • 7 bits (128 steps) with a 10% to 100% range
    • 3 BC sets for each color group
  • LED power-supply voltage: up to 10 V
  • VCC: 3.0 V to 5.5 V
  • Constant-current accuracy:
    • Channel-to-channel: ±2% (typ), ±5% (max)
    • Device-to-device: ±2% (typ), ±4% (max)
  • Data transfer rate: 25 MHz
  • Grayscale control clock: 33 MHz
  • Auto display repeat
  • Display timing reset
  • Auto data refresh (GS and DC only)
  • LED Open Detection (LOD)
  • LED Short Detection (LSD)
  • UVLO sets default data
  • Delay switching to prevent inrush current
  • Operating temperature: –40°C to +125°C
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • 48 constant current sink output channels
  • Sink current capability with maximum MC, DC, and BC data:
    • 23.9 mA (VCC ≤ 3.6 V, MC = 5)
    • 31.9 mA (VCC > 3.6 V, MC = 7)
  • Grayscale (GS) control:
    • 16-bit (65, 536 steps) with enhanced spectrum or conventional PWM
  • Maximum Current (MC) control:
    • 3 bits (8 steps) with a 3-mA to 30-mA range
    • 3 MC sets for each color group
  • Dot Correction (DC) control:
    • 7 bits (128 steps) with a 26.2% to 100% range
  • Global brightness control (BC):
    • 7 bits (128 steps) with a 10% to 100% range
    • 3 BC sets for each color group
  • LED power-supply voltage: up to 10 V
  • VCC: 3.0 V to 5.5 V
  • Constant-current accuracy:
    • Channel-to-channel: ±2% (typ), ±5% (max)
    • Device-to-device: ±2% (typ), ±4% (max)
  • Data transfer rate: 25 MHz
  • Grayscale control clock: 33 MHz
  • Auto display repeat
  • Display timing reset
  • Auto data refresh (GS and DC only)
  • LED Open Detection (LOD)
  • LED Short Detection (LSD)
  • UVLO sets default data
  • Delay switching to prevent inrush current
  • Operating temperature: –40°C to +125°C
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The TLC6C5748-Q1 is a 48-channel, constant-current sink driver. Each channel has an individually-adjustable, pulse width modulation (PWM), grayscale (GS) brightness control with 65,536 steps and 128 steps of constant-current dot correction (DC). DC adjusts brightness deviation between channels. All channels have a 128-step global brightness control (BC). BC adjusts brightness deviation between the R, G, B color group. The eight-step maximum current control (MC) selects the maximum output current range for all channels of each color group. GS, DC, BC, and MC data are accessible with a serial interface port.

The TLC6C5748-Q1 has three error flags: LED open detection (LOD), LED short detection (LSD) and thermal shutdown (TSD). The error detection results can be read with a serial interface port.

The TLC6C5748-Q1 is a 48-channel, constant-current sink driver. Each channel has an individually-adjustable, pulse width modulation (PWM), grayscale (GS) brightness control with 65,536 steps and 128 steps of constant-current dot correction (DC). DC adjusts brightness deviation between channels. All channels have a 128-step global brightness control (BC). BC adjusts brightness deviation between the R, G, B color group. The eight-step maximum current control (MC) selects the maximum output current range for all channels of each color group. GS, DC, BC, and MC data are accessible with a serial interface port.

The TLC6C5748-Q1 has three error flags: LED open detection (LOD), LED short detection (LSD) and thermal shutdown (TSD). The error detection results can be read with a serial interface port.

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Type Title Date
* Data sheet TLC6C5748-Q1 48-Channel, 16-bit, PWM LED Driver with Internal Current Settings datasheet (Rev. A) 18 Dec 2020
User guide TLC6C5748EVM User's Guide 26 Oct 2020
Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
Technical article LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
Technical article Take better selfies with innovative LED flashes 18 Nov 2014
Technical article Solving the automotive EMI issues in new cars with all the screens 11 Sep 2014

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Evaluation board

TLC6C5748EVM — TLC6C5748-Q1 48-channel, 16-bit, PWM LED driver with internal current settings evaluation module

The TLC6C5748EVM helps users to evaluate the characteristics, operation, and use of the TLC6C5748-Q1 device, a 48-channel, 16-bit, PWM LED driver with internal current settings mainly designed for automotive local dimming backlight. Each channel has an individually adjustable, pulse width (...)
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