TLC5923
- 16 Channels
- Drive Capability
- 0 to 80 mA (Constant-Current Sink)
- Constant Current Accuracy: ±1% (typical)
- Serial Data Interface
- Fast Switching Output: Tr / Tf = 10ns (typical)
- CMOS Level Input/Output
- 30 MHz Data Transfer Rate
- VCC = 3.0 V to 5.5 V
- Operating Temperature = –40°C to 85°C
- LED Supply Voltage up to 17 V
- 32-pin HTSSOP(PowerPAD) and QFN Packages
- Dot Correction
- 7 bit (128 Steps)
- individual adjustable for each channel
- Controlled In-Rush Current
- Error Information
- LOD: LED Open Detection
- TEF: Thermal Error Flag
The TLC5923 is a 16 channel constant-current sink driver. Each channel has a On/Off state and a 128-step adjustable constant current sink (dot correction). The dot correction adjusts the brightness variations between LED, LED channels and other LED drivers. Both dot correction and On/Off state are accessible via a serial data interface. A single external resistor sets the maximum current of all 16 channels.
The TLC5923 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.
技術文件
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檢視所有 5 類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | TLC5923 16 Channel LED Driver With DOT Correction datasheet (Rev. B) | 2013年 1月 31日 | |
White paper | Common LED Functions and LED Driver Design Considerations | 2020年 9月 21日 | ||
Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
EVM User's guide | TLC5924EVM (Rev. A) | 2007年 6月 13日 | ||
Application note | LED Driver--Paralleled Outputs Provide High Current Outputs | 2006年 9月 25日 |
設計與開發
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模擬工具
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封裝 | 引腳 | 下載 |
---|---|---|
HTSSOP (DAP) | 32 | 檢視選項 |
VQFN (RHB) | 32 | 檢視選項 |
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
- 資格摘要
- 進行中可靠性監測
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。