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TLC5973D The Texas Instruments TLC5973D is a 3-channel, 12-bit PWM constant current LED driver. It operates with a 3V to 5.5V input voltage and provides up to 50mA per channel.
Mfr Part #:

TLC5973D

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TLC5973D is a 3-channel, 12-bit PWM constant current LED driver. It operates with a 3V to 5.5V input voltage and provides up to 50mA per channel.
✓ Total Stock: 7,245 pcs
$ Price Range: $0.44

TLC5973D Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
4,850 pcs
On Request
4850 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,395 pcs
On Request
2395 pcs On Request 1 On Request On Request 16+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TLC5973D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Interface
Internal Switch(s)
Mounting Type
Number of Channels
Number of Outputs
Operating Temperature
Supplier Device Package
Topology
Type
Voltage
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TLC5973D Description

Short technical summary and product information.

The TLC5973D from Texas Instruments is a 3-channel, 12-bit PWM constant current LED driver designed for various lighting applications. This linear driver features a single-wire interface for simplified control and supports a grayscale control resolution of 12 bits, offering 4096 steps.

 

Key electrical specifications include an input voltage range of 3V to 5.5V and a maximum output current of 50mA per channel. The device operates with a typical quiescent current of 5mA and features a data transfer rate of up to 3 Mbps. The internal GS clock oscillator runs at 12 MHz, providing a display repeat rate of 2.9 kHz.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) surface-mount package, the TLC5973D is suitable for applications requiring compact designs. Its operating temperature range is -40°C to 85°C, making it robust for various environmental conditions. The OUT pins can handle a maximum voltage of up to 21V.

TLC5973D Quick Information

Product Type: LED Driver
Canonical Name: TLC5973D 3-Channel, 12-Bit, PWM Constant-Current LED Driver
Subcategory: LED Drivers

TLC5973D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TLC5973D Estimated Pricing

Qty Low High
1+ $0.44 $0.44

Estimated market price range - modelled values for guidance only, not live distributor offers.

TLC5973D Features

  • Three constant sink current channels.
  • 12-bit grayscale control resolution.
  • Single-wire serial interface (EasySet).
  • 3V to 5.5V power supply voltage.
  • 8-SOIC surface mount package.

TLC5973D Applications

  • Ideal for RGB LED lighting.
  • Suitable for display backlighting.
  • Used in general illumination systems.
  • Applicable for automotive lighting.

TLC5973D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TLC5973D?

3V to 6V.

What package does the TLC5973D come in?

8-SOIC (0.154", 3.90mm Width).

What is the operating temperature range?

-40°C to 85°C.

How many channels does the TLC5973D have?

3 channels.

What is the maximum LED current per channel?

50mA when VCC > 4.0V, or 35mA when VCC ≤ 4.0V.

What type of grayscale control does it support?

12-bit PWM (4096 steps).

What is the interface type?

Serial interface with data rate up to 3Mbps.

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