TLC5944RHBT

TLC5944RHBT, 16-channel, constant current sink driver, QFN, -0.3V to +6.0V, 500V, 60mA, Texas Instruments

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Price:: US $2.00~2.00 / piece [Get Latest Price]

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2000 ~ 2000 :	2.00 / Piece

PartNumber:: TLC5944RHBT

Brand:: Texas Instruments - TI | Pack: QFN | D/C: 11+

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Products Upload time: 2013-01-29

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Part Number:TLC5944RHBT
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Product Summary

The TLC5944RHBT is a 16-channel, constant current sink driver. Each channel is individually adjustable with 4096 pulse-width modulated (PWM) steps and 64 constant sink current (dot correction) steps. The dot correction (DC) adjusts for brightness variations between LEDs. Both grayscale (GS) control and DC are accessible via a common serial interface port. The maximum current value of all 16 channels can be set by a single external resistor. The applications of the TLC5944RHBT include Monochrome, Multicolor, Full-Color LED Displays Using Multiplexing System, LED Signboards Using Multiplexing System.

Parametrics

TLC5944RHBT absolute maximum ratings: (1)VCC Supply voltage, VCC: –0.3 to +6.0 V; (2)VUP Pre-charge voltage: –0.3 to +16 V; (3)XERR: 6mA; (4)IOUT Output current (dc) OUT0 to OUT15: 70mA; (5)VIN: LANK, GSCLK, DCSEL, IREF: –0.3 to VCC + 0.3 V; (6)SOUT, XERR: –0.3 to VCC + 0.3 V; (7)VOUT Output voltage range OUT0 to OUT15: –0.3 to VUP + 0.3 V; (8)TJ(max) Operating junction temperature: +150℃; (9)TSTG Storage temperature range: –55 to +150℃; (10)Human body model (HBM): 2 kV; (11)ESD rating Charged device model (CDM): 500V.

Features

TLC5944RHBT features: (1)16 Channels, Constant Current Sink Output; (2)Thermal Shutdown (TSD):; (3)60-mA Capability (constant current sink); (4)12-Bit (4096 Steps) Grayscale Control with PWM; (5)6-Bit (64 Steps) Dot Correction with Sink Current; (6)Pre-Thermal Warning (PTW); (7)Internal Pre-Charge FET to Prevent LED Ghosting Phenomenon on Multiplexed LED Systems ; (8)Readable Error Information; (9)LED Power-Supply Voltage up to 15 V; (10)VCC = 3.0 V to 5.5 V; (11)Noise Reduction; (12)Constant Current Accuracy; (13)CMOS Logic Level I/O; (14)30-MHz Data Transfer Rate; (15)33-MHz Grayscale Control Clock.