
TLC5948A Series
16-ch ES-PWM LED driver, 7-bit dot Cor, 7-bit global brightness, power Save Mode, Full diagnostics
Manufacturer: Texas Instruments
Catalog
16-ch ES-PWM LED driver, 7-bit dot Cor, 7-bit global brightness, power Save Mode, Full diagnostics
Key Features
• 16 Constant-Current Sink Output ChannelsSink 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% RangeGlobal Brightness Control (BC):7-Bit (128 Steps) with 25% to 100% RangeGrayscale Control (GS) with Enhanced Spectrum or Conventional PWM:16-Bit (65,536 Steps)LED Power-Supply Voltage: Up to 10 VVCC: 3.0 V to 5.5 VConstant-Current Accuracy:Channel-to-Channel: ±0.6% (typ), ±2% (max)Device-to-Device: ±1% (typ), ±4% (max)Data Transfer Rate: 33 MHzGrayscale Control Clock: 33 MHzAuto Display Repeat and Auto Data RefreshDisplay Timing ResetPower-Save Mode to Minimize VCC CurrentLOD and LSD with Invisible DetectionMode (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 CurrentOperating Temperature: –40°C to +85°C16 Constant-Current Sink Output ChannelsSink 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% RangeGlobal Brightness Control (BC):7-Bit (128 Steps) with 25% to 100% RangeGrayscale Control (GS) with Enhanced Spectrum or Conventional PWM:16-Bit (65,536 Steps)LED Power-Supply Voltage: Up to 10 VVCC: 3.0 V to 5.5 VConstant-Current Accuracy:Channel-to-Channel: ±0.6% (typ), ±2% (max)Device-to-Device: ±1% (typ), ±4% (max)Data Transfer Rate: 33 MHzGrayscale Control Clock: 33 MHzAuto Display Repeat and Auto Data RefreshDisplay Timing ResetPower-Save Mode to Minimize VCC CurrentLOD and LSD with Invisible DetectionMode (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 CurrentOperating Temperature: –40°C to +85°C
Description
AI
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.