Product Details
TLC5954RTQT DISPLAY DRIVER IC RESIDENTIAL TI LED LIGHT DRIVER
CIRCUIT
Light Source: | LED | Item Type: | Bulb Lights |
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Color Temperature(cct): | Glass | Led Light Source: | Epistar |
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Application: | Residential |
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High Light: | TLC5954RTQT Display Driver IC,Residential Display Driver IC,TI LED Light Driver Circuit |
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Display Driver IC Texas Instruments/TI TLC5954RTQT
ECAD Module | PCB Symbol,Footprint & 3D Model |
Supply and Demand Status | Balance |
Fake Threat In the Open Market | 67 pct. |
Popularity | Medium |
Temperature Range - Operating | -40°C to 85°C (TA) |
Applications | Signage |
Channel Output Current | 24.4mA, 34.9mA |
Number of Outputs | 48 |
Operating Input Voltage(Min) | 3V |
Maximum Supply Voltage | 3.6V |
Output Voltage | 10V |
Status | Active |
Manufacturer | Texas Instruments |
Categories | Integrated Circuits |
Internal Switch(s) | Yes |
Topology | Shift Register |
Type | Linear |
- 48 Constant-Current Sink Output Channels with On or Off Control
- Current Capability:
- 34.9 mA for 32 Channels
- 24.4 mA 16Channels
- No External Resistor for Current Setting
- Maximum Current Control (MC): 3 Bits (8 Steps)
- Global Brightness Control (BC) for Each Color Group: 7 Bits (128
Steps), Three Groups
- LED Power-Supply Voltage: Up to 10 V
- VCC = 3.0 V to 3.6 V
- Constant-Current Accuracy:
- Channel-to-Channel = ±1% (typ), ±3% (max)
- Device-to-Device = ±2% (typ), ±4% (max)
- Data Transfer Rate: 30 MHz
- BLANK Pulse Duration: 40 ns (min)
- LED Open Detection (LOD)
- LED Short Detection
- Power-Save Mode (PSM): 7-µA Consumption, High-Speed Recovery
- Undervoltage Lockout Sets Default Data
- Delayed Switching Minimizes Inrush Current
- Operating Temperature: –40°C to +85°C
The TLC5954 is a 48-channel, constant-current sink LED driver. Each
channel can be turned on or off by writing data to an internal
register. The output channels (OUTX) are grouped into three groups
of 16 channels. Each channel group (R, G, and B) has a 128-step
global brightness control (BC) function. The maximum current value
of all 48 channels can be set with an 8-step maximum current
control (MC) function. The device has two error flags: LED open
detection (LOD) and LED short detection . The error flags can be
read via a serial interface port. The device also has a power-save
mode that sets the total current consumption to 7 µA (typ) when all
outputs are off.
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