TVS1800
- Protection Against ±1 kV, 42 Ω IEC 61000-4-5 Surge Test for Industrial Signal Lines
- Max Clamping Voltage of 24.7 V at 40 A of 8/20 µs Surge Current
- Standoff Voltage: 18 V
- Tiny 4 mm2 Footprint
- Survives Over 5,000 Repetitive Strikes of 35 A 8/20 µs Surge Current at 125°C
- Robust Surge Protection:
- IEC 61000-4-5 (8/20 µs): 40 A
- IEC 61643-321 (10/1000 µs): 6 A
- Low Leakage Current
- 1.2 nA Typical at 27°C
- 9 nA Typical at 85°C
- Low Capacitance: 116 pF
- Integrated Level 4 IEC 61000-4-2 ESD Protection
The TVS1800 robustly shunts up to 40 A of IEC 61000-4-5 fault current to protect systems from high power transients or lightning strikes. The device offers a solution to the common industrial signal line EMC requirement to survive up to ±1 kV IEC 61000-4-5 open circuit voltage coupled through a 42 Ω impedance. The TVS1800 uses a unique feedback mechanism to ensure precise flat clamping during a fault, assuring system exposure below 25 V. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness.
In addition, the TVS1800 is available in a small 2 mm × 2 mm SON footprint which is ideal for space constrained applications, offering a 70 percent reduction in size compared to industry standard SMA and SMB packages. The extremely low device leakage and capacitance ensure a minimal effect on the protected line. To ensure robust protection over the lifetime of the product, TI tests the TVS1800 against 5,000 repetitive surge strikes at high temperature with no shift in device performance.
The TVS1800 is part of TI’s Flat-Clamp family of surge devices. For more information on the other devices in the family, see the Device Comparison Table.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TVS1800 18-V Flat-Clamp Surge Protection Device datasheet (Rev. A) | PDF | HTML | 2018年 3月 2日 |
| Application note | ESD and Surge Protection for USB Interfaces (Rev. B) | PDF | HTML | 2024年 1月 11日 | |
| Application brief | Protecting I/O modules from surge events | 2019年 2月 4日 | ||
| Application brief | TVS Surge Rating: Power vs. Current | 2018年 11月 12日 | ||
| White paper | Demystifying surge protection | 2018年 11月 6日 | ||
| User guide | Flat Clamp TVS Evaluation Module—Adaptor Boards | 2018年 9月 10日 | ||
| Application note | How to select a Surge Diode | 2018年 8月 29日 | ||
| Application brief | Flat-Clamp TVS Layout in SMA/SMB Footprints | 2018年 4月 3日 | ||
| Application note | TVS Surge Protection in High-Temperature Environments | 2018年 3月 23日 | ||
| User guide | TVS0500-3300 Evaluation Module—Adaptor Boards User's Guide (Rev. B) | 2018年 3月 8日 | ||
| White paper | Flat-Clamp surge protection technology for efficient system protection | 2018年 1月 15日 |
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FLAT-CLAMP-TVS-EVM — TVSxx0x 精密突波防護二極體評估模組
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
TINA-TI — 基於 SPICE 的類比模擬程式
TIDA-010037 — 使用獨立 ADC 的高準確度分相 CT 電錶參考設計
TIDA-010008 — 適合於電網應用之瞬態保護的平箝制 TVS 架構參考設計
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|---|---|---|
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