TLC5971
- 12 Constant-Current Sink Output Channels
- Current Capability: 60 mA Per Channel
- Grayscale (GS) Control With Enhanced Spectrum
PWM:
16-Bit (65536 Steps) - Global Brightness Control (BC):
7-Bit (128 Steps) for Each Color Group - Power-Supply Voltage Range:
- Internal Linear Regulator: 6 V to 17 V
- Direct Power Supply: 3 V to 5.5 V
- LED Supply Voltage: Up to 17 V
- Constant-Current Accuracy:
- Channel-to-Channel = ±1% (Typical)
- Device-to-Device = ±1% (Typical)
- Data Transfer Rate: 20 MHz
- Linear Voltage Regulator: 3.3 V
- Auto Display Repeat Function
- Display Timing Reset Function
- Internal and External Selectable GS Clock
- Thermal Shutdown (TSD) With Auto Restart
- Unlimited Device Cascading
- Operating Temperature Range: –40°C to +85°C
- APPLICATIONS
- RGB LED Cluster Lamp Displays
All other trademarks are the property of their respective owners
The TLC5971 device is a 12-channel, constant-current sink driver. Each output channel has individually adjustable currents with 65536 PWM grayscale (GS) steps. Also, each color group can be controlled by 128 constant-current sink steps with the global brightness control (BC) function. GS control and BC are accessible through a two-wire signal interface. The maximum current value for each channel is set by a single external resistor. All constant-current outputs are turned off when the IC is in an overtemperature condition.
技術文件
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檢視所有 5 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TLC5971 12-Channel, 16-Bit, Enhanced Spectrum, PWM, RGB, LED Driver With 3.3-V Linear Regulator datasheet (Rev. D) | PDF | HTML | 2015年 12月 8日 |
| White paper | Common LED Functions and LED Driver Design Considerations | 2020年 9月 21日 | ||
| Technical article | Using dynamic headroom control for industrial lighting applications | PDF | HTML | 2018年 6月 28日 | |
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| Technical article | Industrial stack lights get smarter with LEDs | PDF | HTML | 2016年 8月 9日 |
設計與開發
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模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
參考設計
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參考設計
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參考設計
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The objective of the TIDA-00994 reference design is to develop an embedded firmware of a multi-segment RGB signal tower used in factory floor and industrial process automation of greater complexity. A Wi-Fi ® interface is implemented to control the stack light and read back status information. (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 20 | Ultra Librarian |
| VQFN (RGE) | 24 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。