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TLC5947 Datasheet PDF

Part Series:
TLC5947 Series
Category:
-
Description:
24Channel, 12Bit PWM LED Driver with Internal Oscillator
Updated Time: 2023/01/13 01:37:46 (UTC + 8)

TLC5947 Datasheet PDF -

33 Pages
TI
24Channel, 12Bit PWM LED Driver with Internal Oscillator 32-HTSSOP -40℃ to 85℃
33 Pages
TI
24Channel, 12Bit PWM LED Driver with Internal Oscillator 32-HTSSOP -40℃ to 85℃
33 Pages
TI
24Channel, 12Bit PWM LED Driver with Internal Oscillator 32-VQFN -40℃ to 85℃
33 Pages
TI
24Channel, 12Bit PWM LED Driver with Internal Oscillator 32-HTSSOP -40℃ to 85℃
33 Pages
TI
24Channel, 12Bit PWM LED Driver with Internal Oscillator

TLC5947 - TI Specifications

TYPE
DESCRIPTION
Case/Package
HTSSOP-32
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TLC5947 - TI Function Overview

The TLC5947 is a 24-channel, constant-current sink LED driver. Each channel is individually adjustable with 4096 pulse-width modulated (PWM) steps. PWM control is repeated automatically with the programmed grayscale (GS) data. GS data are written via a serial interface port. The current value of all 24 channels is set by a single external resistor.
The TLC5947 has a thermal shutdown (TSD) function that turns off all output drivers during an over-temperature condition. All of the output drivers automatically restart when the temperature returns to normal conditions.
24 Channels, Constant-Current Sink Output
30-mA Capability (Constant-Current Sink)
12-Bit (4096 Steps) PWM Grayscale Control
LED Power-Supply Voltage Up to 30 V
VCC = 3.0 V to 5.5 V
Constant-Current Accuracy:
Channel-to-Channel = ±2% (Typical)
Device-to-Device = ±2% (Typical)
CMOS Logic Level I/O
30-MHz Data Transfer Rate (Standalone)
15-MHz Data Transfer Rate (Cascaded Devices,
SCLK Duty = 50%)
Shift Out Data Changes With Falling Edge to
Avoid Data Shift Errors
Auto Display Repeat
4-MHz Internal Oscillator
Thermal Shutdown (TSD):
Automatic Shutdown at OverTemperature Conditions
Restart Under Normal Temperature
Noise Reduction:
4-Channel Grouped Delay to Prevent Inrush Current
Operating Temperature: –40°C to 85°C
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