TCA6507
- Seven LED Driver Outputs: ON, OFF, Blinking, Fading at Programmable Rates
- Open-Drain Outputs Directly Drive LEDs to 40-mA Maximum
- Two Independent Banks of LED Drivers
- Widely Programmable Blink Rates, Fade-ON and Fade-OFF Rates and Maximum Intensity
- Outputs Not Used as LED Drivers Can Be Used as Regular General-Purpose Open-Drain Outputs
- 16 Steps of Maximum Intensity Control from Fully-OFF to Fully-ON States
- Smooth Perceived Transitions for Fade-ON and Fade-OFF
- Operating Power-Supply Voltage Range of 1.65 V to 3.6 V
- 5.5-V Tolerant Open-Drain Outputs
- Low Standby Current With Shutdown Capability for Additional Power Savings
- Programmed Through I2C Bus Interface Logic Compatible With SMBus
- No Glitch on Power Up
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
This 7-bit LED dimmer for the two-line bidirectional bus (I2C) is designed to control (or dim) LEDs through the I2C interface. Without this device, the microcontroller must be actively involved in turning on and off the LEDs (per the required dimming rate), which uses valuable processor time. The TCA6507 alleviates this issue by limiting the number of operations required by the processor in blinking LEDs and helps to create a more efficient system. The TCA6507 handles all pulse width modulation (PWM) logic, allowing the processor to use its cycles for more important tasks.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | TCA6507 Low-Voltage 7-Bit I2C and SMBus LED Driver With Intensity Control and Shutdown datasheet (Rev. D) | PDF | HTML | 2017/2/21 | ||
| 應用說明 | Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) | PDF | HTML | 2024/7/3 | |||
| 證書 | TCA6507EVM EU RoHS Declaration of Conformity (DoC) | 2023/4/11 | ||||
| 選擇指南 | Power Management Guide 2018 (Rev. R) | 2018/6/25 | ||||
| 選擇指南 | I2C Infographic Flyer | 2015/12/3 | ||||
| 應用說明 | Understanding the I2C Bus | PDF | HTML | 2015/6/30 | |||
| 應用說明 | Maximum Clock Frequency of I2C Bus Using Repeaters | 2015/5/15 | ||||
| 應用說明 | I2C Bus Pull-Up Resistor Calculation | PDF | HTML | 2015/2/13 | |||
| Product overview | TCA6507 - Low-Voltage 7-Bit I2C | 2008/8/27 | ||||
| 應用說明 | Programming Fun Lights With TI's TCA6507 | 2007/11/30 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
IO-EXP-ADAPTER-EVM — IO 擴展器轉接器評估模組
TCA6507EVM — TCA6507 7 位元脈衝波調變 LED 驅動器評估模組
TCA6507 EVM 配備 RGB LED 和 4 個綠色 LED 測試裝置的功能。板載位準移位器用於在主機與 TCA6507 的不同邏輯位準之間轉換。
TCA6507SW-LINUX — 適用於 TCA6507 的 Linux 驅動程式
The Linux driver supports the TCA6507 LED Driver. The Linux driver supports communication through the I2C bus and interfaces with the LED sub-system.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported Devices:
- tca6507
Linux Source Files
The files (...)
I2C-DESIGNER — I2C 設計工具
TIDA-00609 — 自我啟動音訊系統
此參考設計的目的是提供可作為音訊系統參考的硬體和軟體工具。新版本的 PurePath™ 控制台主機板 (Rev F) 新增了獨立的自我啟動功能，可使用任何與此平台相容的評估模組 (EVM) 製作出引人入勝的演示。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TSSOP (PW) | 14 | Ultra Librarian |
| X2QFN (RUE) | 12 | Ultra Librarian |
訂購與品質
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。