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TLC5947DAPR
+StücklisteIC LED DRVR LINEAR 30MA 32HTSSOP
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HerstellerTexas Instruments
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Herstellerteil #TLC5947DAPR
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Type | Linear |
| Topology | Shift Register |
| Internal Switch(s) | Yes |
| Number of Outputs | 24 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Output | 30V |
| Current - Output / Channel | 30mA |
| Frequency | 4MHz |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-PowerTSSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 32-HTSSOP |
| Base Product Number | TLC5947 |
Übersicht
Description
The TLC5947DAPR is a 24-channel, constant-current sink LED driver designed by Texas Instruments. It is often used in applications that require precise control of multiple LEDs, such as LED displays, signage, and decorative lighting. Each of the 24 channels can sink up to 30 mA, allowing for consistent brightness across all connected LEDs.
The device operates from a 3.0V to 5.5V power supply and is compatible with 3.3V and 5V logic levels, making it versatile for integration into various systems. It features a 12-bit grayscale PWM brightness control per channel, enabling fine-tuned dimming and complex lighting patterns. Data transfer to the device is accomplished via a serial interface, which supports daisy-chaining for controlling numerous TLC5947DAPR chips from a single microcontroller.
Key benefits include its low power consumption, high efficiency, and reduced external component count, which simplifies circuit design. The TLC5947DAPR is packaged in a compact SSOP (Shrink Small Outline Package), making it suitable for space-constrained applications.
The device operates from a 3.0V to 5.5V power supply and is compatible with 3.3V and 5V logic levels, making it versatile for integration into various systems. It features a 12-bit grayscale PWM brightness control per channel, enabling fine-tuned dimming and complex lighting patterns. Data transfer to the device is accomplished via a serial interface, which supports daisy-chaining for controlling numerous TLC5947DAPR chips from a single microcontroller.
Key benefits include its low power consumption, high efficiency, and reduced external component count, which simplifies circuit design. The TLC5947DAPR is packaged in a compact SSOP (Shrink Small Outline Package), making it suitable for space-constrained applications.
Equivalent
The TLC5947DAPR is a 24-channel, constant-current LED driver by Texas Instruments. Equivalent products include:
1. STP24DP05 by STMicroelectronics: 24-channel LED driver with similar features.
2. MBI6024 by Macroblock: 24-channel constant current LED driver.
3. IS31FL3731 by Lumissil Microsystems: 144 matrix LED driver with 8x11 blocks, but used in similar applications.
Ensure specifications match your requirements before substituting, as pin configurations and power ratings may vary.
1. STP24DP05 by STMicroelectronics: 24-channel LED driver with similar features.
2. MBI6024 by Macroblock: 24-channel constant current LED driver.
3. IS31FL3731 by Lumissil Microsystems: 144 matrix LED driver with 8x11 blocks, but used in similar applications.
Ensure specifications match your requirements before substituting, as pin configurations and power ratings may vary.
Features
The TLC5947DAPR is a 24-channel, constant-current sink LED driver designed for controlling LEDs in various applications. Some key features include:
1. 24 Channels: Each channel can drive an individual LED or a string of LEDs.
2. Constant-Current Sink: Provides consistent brightness by maintaining a steady current, irrespective of supply voltage variations.
3. 12-Bit Grayscale PWM Control: Offers precise brightness control with 4096 grayscale steps per channel.
4. High Output Current: Each channel can deliver up to 30 mA, suitable for a wide range of LED types.
5. Serial Data Interface: Utilizes a simple shift register interface for data input, allowing easy cascading of multiple devices.
6. Dot Correction: Each channel can be individually corrected for brightness uniformity across LEDs.
7. Low EMI: Designed to minimize electromagnetic interference, enhancing reliability in sensitive applications.
8. Wide Operating Voltage: Functions across a broad supply voltage range, enhancing versatility.
9. Thermal Management: Built-in thermal shutdown protection safeguards the device from overheating.
This driver is suitable for various applications, including LED displays, signage, and decorative lighting.
1. 24 Channels: Each channel can drive an individual LED or a string of LEDs.
2. Constant-Current Sink: Provides consistent brightness by maintaining a steady current, irrespective of supply voltage variations.
3. 12-Bit Grayscale PWM Control: Offers precise brightness control with 4096 grayscale steps per channel.
4. High Output Current: Each channel can deliver up to 30 mA, suitable for a wide range of LED types.
5. Serial Data Interface: Utilizes a simple shift register interface for data input, allowing easy cascading of multiple devices.
6. Dot Correction: Each channel can be individually corrected for brightness uniformity across LEDs.
7. Low EMI: Designed to minimize electromagnetic interference, enhancing reliability in sensitive applications.
8. Wide Operating Voltage: Functions across a broad supply voltage range, enhancing versatility.
9. Thermal Management: Built-in thermal shutdown protection safeguards the device from overheating.
This driver is suitable for various applications, including LED displays, signage, and decorative lighting.
Pinout
The TLC5947DAPR is a 24-channel, constant-current sink LED driver from Texas Instruments. It is typically housed in a 32-pin HTSSOP (DAP) package. Each of the 24 channels can drive an LED with a constant current, making it suitable for LED display and lighting applications.
The primary functions of this device include:
1. 24 Constant-Current Outputs: It provides 24 independent output channels, each capable of driving an LED with a constant current, which is programmable via an external resistor.
2. Data Interface: It utilizes a serial data input to receive data for controlling the brightness of LEDs.
3. PWM Control: The TLC5947DAPR supports pulse-width modulation (PWM) to control LED brightness with 12-bit grayscale PWM control.
4. Daisy-Chaining: The device can be daisy-chained, allowing for multiple devices to be connected in series and controlled from a single microcontroller, which expands the number of LEDs that can be driven.
These features make the TLC5947DAPR an efficient solution for complex LED matrix and display applications.
The primary functions of this device include:
1. 24 Constant-Current Outputs: It provides 24 independent output channels, each capable of driving an LED with a constant current, which is programmable via an external resistor.
2. Data Interface: It utilizes a serial data input to receive data for controlling the brightness of LEDs.
3. PWM Control: The TLC5947DAPR supports pulse-width modulation (PWM) to control LED brightness with 12-bit grayscale PWM control.
4. Daisy-Chaining: The device can be daisy-chained, allowing for multiple devices to be connected in series and controlled from a single microcontroller, which expands the number of LEDs that can be driven.
These features make the TLC5947DAPR an efficient solution for complex LED matrix and display applications.
Manufacturer
The manufacturer of the TLC5947DAPR is Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for its innovations in analog and embedded processing products. TI's products are widely used in electronics across various industries, including automotive, industrial, consumer electronics, and communications equipment.
Application
The TLC5947DAPR is a 24-channel, constant-current sink LED driver commonly used in applications requiring precise LED control. Key application areas include:
1. LED Displays: Ideal for driving large LED matrices in digital signage and information displays.
2. Architectural Lighting: Used in controlling LED strips and fixtures for dynamic lighting effects and color mixing.
3. Stage and Studio Lighting: Supports advanced lighting effects and color accuracy.
4. Automotive Lighting: Enables ambient lighting and custom light animations in vehicles.
5. Consumer Electronics: Employed in devices like TVs and monitors for backlighting control.
These applications benefit from its ability to individually control LEDs with high precision and efficiency.
1. LED Displays: Ideal for driving large LED matrices in digital signage and information displays.
2. Architectural Lighting: Used in controlling LED strips and fixtures for dynamic lighting effects and color mixing.
3. Stage and Studio Lighting: Supports advanced lighting effects and color accuracy.
4. Automotive Lighting: Enables ambient lighting and custom light animations in vehicles.
5. Consumer Electronics: Employed in devices like TVs and monitors for backlighting control.
These applications benefit from its ability to individually control LEDs with high precision and efficiency.
Package
The TLC5947DAPR is a 24-channel, 12-bit PWM LED driver IC by Texas Instruments, packaged in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. The "DAPR" indicates it comes in a TSSOP package type which is often used for space-constrained applications.
