Product details

Features Dot Correction, Error Flag, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, PWM LED Driver, Power Good, Thermal Shutdown Analog dimming steps 128 Data transfer rate (Typ) (MHz) 33 Ch to ch accuracy (Typ) (+/- %) 1.5 Rating Catalog Operating temperature range (C) -40 to 85
Features Dot Correction, Error Flag, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, PWM LED Driver, Power Good, Thermal Shutdown Analog dimming steps 128 Data transfer rate (Typ) (MHz) 33 Ch to ch accuracy (Typ) (+/- %) 1.5 Rating Catalog Operating temperature range (C) -40 to 85
HTSSOP (PWP) 24 34 mm² 7.7 x 4.4 SSOP (DBQ) 24 52 mm² 8.65 x 6
  • 16 Constant-Current Sink Output Channels
  • Sink Current Capability with Maximum DC and BC Data:
    • 2 mA to 45 mA (VCC ≤ 3.6 V)
    • 2 mA to 60 mA (VCC > 3.6 V)
  • Dot Correction (DC):
    • 7-Bit (128 Steps) with 0% to 100% Range
  • Global Brightness Control (BC):
    • 7-Bit (128 Steps) with 25% to 100% Range
  • Grayscale Control (GS) with Enhanced Spectrum or Conventional PWM:
    • 16-Bit (65,536 Steps)
  • LED Power-Supply Voltage: Up to 10 V
  • VCC: 3.0 V to 5.5 V
  • Constant-Current Accuracy:
    • Channel-to-Channel: ±0.6% (typ), ±2% (max)
    • Device-to-Device: ±1% (typ), ±4% (max)
  • Data Transfer Rate: 33 MHz
  • Grayscale Control Clock: 33 MHz
  • Auto Display Repeat and Auto Data Refresh
  • Display Timing Reset
  • Power-Save Mode to Minimize VCC Current
  • LOD and LSD with Invisible Detection
    Mode (IDM)
  • Output Leakage Detection (OLD)
  • Current Reference Terminal Short Flag (ISF)
  • Thermal Shutdown (TSD) and Error Flag (TEF)
  • Pre-Thermal Warning (PTW)
  • Four-Channel Grouped Delay Switching to Prevent Inrush Current
  • Operating Temperature: –40°C to +85°C
  • 16 Constant-Current Sink Output Channels
  • Sink Current Capability with Maximum DC and BC Data:
    • 2 mA to 45 mA (VCC ≤ 3.6 V)
    • 2 mA to 60 mA (VCC > 3.6 V)
  • Dot Correction (DC):
    • 7-Bit (128 Steps) with 0% to 100% Range
  • Global Brightness Control (BC):
    • 7-Bit (128 Steps) with 25% to 100% Range
  • Grayscale Control (GS) with Enhanced Spectrum or Conventional PWM:
    • 16-Bit (65,536 Steps)
  • LED Power-Supply Voltage: Up to 10 V
  • VCC: 3.0 V to 5.5 V
  • Constant-Current Accuracy:
    • Channel-to-Channel: ±0.6% (typ), ±2% (max)
    • Device-to-Device: ±1% (typ), ±4% (max)
  • Data Transfer Rate: 33 MHz
  • Grayscale Control Clock: 33 MHz
  • Auto Display Repeat and Auto Data Refresh
  • Display Timing Reset
  • Power-Save Mode to Minimize VCC Current
  • LOD and LSD with Invisible Detection
    Mode (IDM)
  • Output Leakage Detection (OLD)
  • Current Reference Terminal Short Flag (ISF)
  • Thermal Shutdown (TSD) and Error Flag (TEF)
  • Pre-Thermal Warning (PTW)
  • Four-Channel Grouped Delay Switching to Prevent Inrush Current
  • Operating Temperature: –40°C to +85°C

The TLC5948A is a 16-channel, constant-current sink LED 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 with other LED drivers. GS, DC, and BC data are accessible with a serial interface port.

The TLC5948A has six error flags: LED open detection (LOD), LED short detection (LSD), output leakage detection (OLD), reference current terminal short flag detection (ISF), pre-thermal warning (PTW), and thermal error flag (TEF). The error detection results can be read with a serial interface port.

The TLC5948A is a 16-channel, constant-current sink LED 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 with other LED drivers. GS, DC, and BC data are accessible with a serial interface port.

The TLC5948A has six error flags: LED open detection (LOD), LED short detection (LSD), output leakage detection (OLD), reference current terminal short flag detection (ISF), pre-thermal warning (PTW), and thermal error flag (TEF). The error detection results can be read with a serial interface port.

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Technical documentation

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Type Title Date
* Data sheet 16-Channel, 16-Bit, ES-PWM, LED Driver for 7-Bit DC and (Replaced SBVS173A) datasheet (Rev. A) 18 Dec 2012
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
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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Simulation model

TLC5948 IBIS Model

SBVM078.ZIP (35 KB) - IBIS Model
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