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TLC5922DAPR
+Lista de MateriaisIC LED DRVR LINEAR 80MA 32HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TLC5922DAPR
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Pacote HTSSOP (DAP)-32
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Linear |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 16 |
| Voltage-Supply(Min) | 3V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 17V |
| Current-Output/Channel | 80mA |
| Applications | Backlight, Lighting, Signage |
| OperatingTemperature | -20°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-TSSOP (0.240, 6.10mm Width) Exposed Pad |
Visão Geral
Description
The device supports serial interface communication, allowing easy integration with microcontrollers or other control systems. It features a grayscale PWM control to adjust brightness levels, enabling smooth dimming and enhanced visual effects. The TLC5922DAPR also offers built-in thermal protection and low power consumption, making it efficient and reliable.
In its DAPR package, the TLC5922DAPR is a surface-mount device, making it suitable for compact and densely populated circuit boards. The device enhances the performance and flexibility of LED control applications by ensuring uniform illumination and enabling high-speed data transmission.
Equivalent
1. STP16C596 by STMicroelectronics
2. A6279 by Allegro Microsystems
3. MBI5026 by Macroblock
4. TLC5940 by Texas Instruments (similar functionality with additional features)
5. TB62726 by Toshiba
These alternatives offer similar functionalities such as constant current driving for LED applications. Always verify specifications to ensure compatibility.
Features
1. 16-Channel Output: Capable of individually controlling 16 LEDs, making it ideal for complex lighting designs.
2. Constant Current Driver: Ensures consistent LED brightness by delivering a steady current.
3. PWM Brightness Control: Supports pulse-width modulation (PWM) for adjusting brightness levels with high accuracy.
4. Current Adjustability: Allows for current adjustment through an external resistor, providing flexibility in application design.
5. Low Output Voltage Drop: Enhances power efficiency by minimizing voltage drop across the output channels.
6. Serial Data Interface: Uses a serial interface for data input, simplifying connectivity and reducing pin count.
7. Daisy-Chaining: Supports daisy-chaining for easy expansion in larger arrays or complex systems.
8. Built-In Circuit Protection: Includes features such as thermal shutdown and open/short LED detection for enhanced reliability.
9. Compact Package: Comes in a compact package, optimizing space in circuit designs.
This combination of features makes the TLC5922DAPR suitable for various LED lighting applications, including displays and backlighting.
Pinout
Key functions and features include:
- 16 individually controlled constant-current sink channels.
- Each channel can drive up to 45 mA.
- Serial data interface with input and output for cascading multiple devices.
- Brightness control through pulse-width modulation (PWM).
- Built-in thermal shutdown and error detection features for enhanced reliability.
- Supports both dot correction and grayscale PWM for precise brightness control.
Its pin configuration typically includes power supply pins (VCC and GND), serial data interface pins (SDI, SDO, SCLK, and LE), and output pins (OUT0 to OUT15) for LED connection, among others. For detailed pin assignments and electrical characteristics, it is advisable to refer to the datasheet provided by the manufacturer, Texas Instruments.