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全球優質電子元件供應商
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全球優質電子元件供應商
The TPS61181ARTER from Texas Instruments is a high-efficiency, step-up (boost) white LED driver designed for medium-sized LCD backlight applications. It integrates a 38V, 1.5A integrated FET and supports up to 10 series LEDs. The device operates with a wide input voltage range from 2.7V to 21V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH batteries. The TPS61181ARTER features a 1.2MHz fixed switching frequency, which allows for small external components and reduces output ripple. It includes PWM brightness control with a 1000:1 dimming ratio and supports both analog and PWM dimming methods. The device is available in a compact 16-pin WQFN (3x3mm) package, ideal for space-constrained applications.
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7V to 21V |
| Output Voltage (Max) | 38V |
| Switching Frequency | 1.2 MHz |
| LED Current Accuracy | ±5% |
| Dimming Ratio | 1000:1 (PWM) |
| Efficiency | Up to 90% |
| Package | 16-WQFN (3x3mm) |
| Operating Temperature | -40°C to +85°C |
At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS61181ARTER. Our core advantages include:
Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.
TPS61181ARTER 是德州儀器 (TI) 推出的一款高效率升壓白光 LED 驅動器,專為中型 LCD 背光應用設計。它集成了 38V、1.5A 的 FET,可支援多達 10 顆串聯 LED。該器件的工作輸入電壓範圍為 2.7V 至 21V,適用於單節鋰離子、多節鹼性或 NiMH 電池。TPS61181ARTER 具有 1.2MHz 固定開關頻率,可實現小型外部元件並降低輸出紋波。它支援 PWM 亮度控制,調光比為 1000:1,並提供模擬和 PWM 調光方式。器件採用緊湊的 16 引腳 WQFN (3x3mm) 封裝,適合空間受限的應用。
| 參數 | 數值 |
|---|---|
| 輸入電壓範圍 | 2.7V 至 21V |
| 最大輸出電壓 | 38V |
| 開關頻率 | 1.2 MHz |
| LED 電流精度 | ±5% |
| 調光比 | 1000:1 (PWM) |
| 效率 | 高達 90% |
| 封裝 | 16-WQFN (3x3mm) |
| 工作溫度 | -40°C 至 +85°C |
在 Jasin Chip,我們為 TPS61181ARTER 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括:
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