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TLC6C5748-Q1

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LED-Treiber mit internem Stromeinstellungen, 48 Kanälen und 16-Bit-PWM

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TLC6C5748-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 48 Topology Current Sink Rating Automotive TI functional safety category Functional Safety-Capable 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 TI functional safety category Functional Safety-Capable 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
HTSSOP (DCA) 56 113.4 mm² 14 x 8.1
  • 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

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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Typ Titel Datum
* Data sheet TLC6C5748-Q1 48-Channel, 16-bit, PWM LED Driver with Internal Current Settings datasheet (Rev. A) PDF | HTML 18 Dez 2020
White paper How to Design System Level Functional Safety for Automotive Displays PDF | HTML 16 Mai 2024
Application brief TLC6C5748-Q1 16-Bit Data Format Example PDF | HTML 05 Feb 2024
Application note Low EMI Design Considerations for TLC6C5748-Q1 PDF | HTML 10 Feb 2023
Functional safety information TLC6C5748-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 15 Jul 2022
EVM User's guide TLC6C5748EVM User's Guide PDF | HTML 26 Okt 2020

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Evaluierungsplatine

TLC6C5748EVM — TLC6C5748-Q1 Evaluierungsmodul, 48 Kanäle, 16 Bit, PWM-LED-Treiber mit internen Stromeinstellungen

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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