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TLC59291 Datasheet(PDF) 1 Page - Texas Instruments |
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TLC59291 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 45 page SIN SCLK LAT BLANK SOUT VCC GND OUT0 - - - - - - - - - - OUT15 TLC59291 GND GND ICn R IREF IREF BLANK LAT SCLK 3 V LED Controller DATA SIN SCLK LAT BLANK SOUT VCC GND OUT0 - - - - - - - - - - OUT15 TLC59291 GND GND IC1 IREF V CC V CC SID read R IREF Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLC59291 SLVSA96 – SEPTEMBER 2015 TLC59291 8/16-Channel, Constant Current LED Driver with 7-bit Brightness Control Low Quiescent Current and Full Self Diagnosis for LED Lamp 1 Features 2 Applications 1 • 8/16 Constant-Current Sink Output Channels with • Industry LED Indicator On/Off Control • Illumination • Current Capability: • LED Video Display – 1 - 40 mA (VCC ≤ 3.6 V) 3 Description – 1 - 50 mA (VCC > 3.6 V) The TLC59291 is a 8/16-channel constant current • Global Brightness Control: 7-Bit (128 Steps) sink LED driver. Each channel can be turned on-off • Power-Supply Voltage Range: 3 V to 5.5 V by writing data to an internal register. The constant • LED Power-Supply Voltage: Up to 10 V current value of all 16 channels is set by a single external resistor and 128 steps for the global • Constant-Current Accuracy: brightness control (BC). – Channel-to-Channel = ±1% (Typical) The TLC59291 has six type error flags: LED open – Device-to-Device = ±2% (Typical) detection (LOD), LED short detection (LSD), output • Low Quiescent Current leak detection (OLD), reference terminal short • SOUT can be Configured for 8-Channel or 16- detection (ISF), Pre thermal warning (PTW) and Channel Output thermal error flag (TEF). In addition, the LOD and LSD functions have invisible detection mode (IDM) • LED Open Detection (LOD)/LED Short Detection that can detect those errors even when the output is (LSD) with Invisible Detection Mode (IDM) off. The error detection results can be read via a • Output Leakage Detection (OLD) Detects 3 µA serial interface port. Leak The TLC59291 has low quiescent current in normal • Pre-Thermal Warning (PTW) mode, it also has a power-save mode that sets the • Thermal Shutdown (TSD) total current consumption to 10 uA (typical) when all outputs are off. • Current Reference Terminal Short Flag (ISF) • Power-Save Mode with 10-µA Consumption Device Information(1) • Undervoltage Lockout Sets the Default Data PART NUMBER PACKAGE BODY SIZE (NOM) • 2-ns Delayed Switching Between Each Channel TLC59291 VQFN (24) 4.00mm x 4.00mm Minimizes Inrush Current (1) For all available packages, see the orderable addendum at • Operating Temperature: –40°C to 85°C the end of the data sheet. Typical Application Circuit (Multiple Daisy Chained TLC59291s) 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Similar Part No. - TLC59291_15 |
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Similar Description - TLC59291_15 |
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