The TLC5943 is a 16-channel, constant current sink driver. Each channel is individually adjustable with 65,536 enhanced spectrum pulse-width modulated (PWM) steps controlled by grayscale (GS) data. All output drivers are adjustable with 128 constant sink current steps at same value controlled by brightness control (BC) data. Both GS data and BC data are writable via a serial interface port. The maximum current value of all 16 channels can be set by a single external resistor.

The TLC5943 has two error detection circuits for LED open detection (LOD) and a thermal error flag (TEF). LOD detects a broken or disconnected LED and shorted LED to GND during the display period. TEF indicates an over-temperature condition; when a TEF is set, all output drivers are turned off. When the TEF is cleared, all output drivers are restarted.

• 16 Channels, Constant Current Sink Output
• 50-mA Capability (Constant Current Sink)
• 16-Bit (65,536 Steps) Grayscale Control with Enhanced Spectrum (ES) PWM
• 7-Bit (128 Steps) Global Brightness Control for All Channels with Sink Current
• LED Power-Supply Voltage up to 17 V
• VCC = 3.0 V to 5.5 V
• Constant Current Accuracy:
  • Channel-to-Channel = ±1.5%
  • Device-to-Device = ±3%
• CMOS Level I/O
• 30-MHz Data Transfer Rate
• 33-MHz Grayscale Control Clock
• Auto Display Repeat
• Auto Data Refresh
• Continuous Base LED Open Detection (LOD):
  • Detect LED opening and LED short to GND during display
• Thermal Shutdown (TSD):
  • Automatic shutdown at high temperature conditions
  • Restart under normal temperature
• Readable Error Information:
  • LED Open Detection (LOD)
  • Thermal Error Flag (TEF)
• Noise Reduction:
  • 4-channel grouped delay to prevent inrush current
• Operating Temperature: –40°C to +85°C
• APPLICATIONS
  • Monochrome, Multicolor, Full-Color LED Displays
  • LED Signboards
  • Display Backlighting

PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.

• Features
• 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)
• 30
• Ch to ch accuracy (Typ) (+/- %)
• 1.5
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85

TLC5943的完整型号有：HPA00669PWPR、TLC5943PWP、TLC5943PWPR、TLC5943RHBR、TLC5943RHBT，以下是这些产品的关键参数及官网采购报价：

HPA00669PWPR，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：-，引脚镀层/焊球材料：-，TI官网HPA00669PWPR的批量USD价格：1.056（1000+）

TLC5943PWP，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：50个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TLC5943PWP的批量USD价格：1.267（1000+）

TLC5943PWPR，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TLC5943PWPR的批量USD价格：1.056（1000+）

TLC5943RHBR，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TLC5943RHBR的批量USD价格：1.106（1000+）

TLC5943RHBT，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TLC5943RHBT的批量USD价格：1.317（1000+）

TLC594XEVM-SW — TLC594x 系列评估软件

The TLC594x Graphical User Interface (GUI) allows users to change colors and interact with the TLC594x board. The program can be used with or without the board attached.

TLC5943 IBIS Model

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