TE Shanghai Application Team Shanghai Circuit Protection Components

TE在电源管理系统的保护解决方案 Shanghai Application Team Shanghai Circuit Protection Components Test Laboratory Sep. 2011

TE 电路保护及新产品简介 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE 优势电路保护产品 Overcurrent Circuit Protection Hybrid Protection MHP Devices Poly. Zen™ Devices Overvoltage Circuit Protection Silicon ESD Protection Devices PESD Protection Devices 2 Pro™ Devices Surface-mount Chip Fuses Telecom Fuses Gas Discharge Tubes Poly. Switch™ Resettable Devices Overtemperature Protection Bimetal TP RTP Devices Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

PPTC在电源管理系统中的过流保护方案 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

PPTC技术及Poly. Switch元件 • PPTC –PPTC (Polymer Positive Temperature Coefficient 高分子正温度系数) –PPTC元件 (高分子正温度系数热敏元件) • Poly. Switch元件 –一种高品质的PPTC元件 –过流/过热保护元件 –可多次使用 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

LED lighting driver over current protection • LED lighting driver will use AC/DC, DC/DC Power Supplies • Need the PPTC to protect in the power supply side for fault: short circuit protection, over current protection Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Design case : LED Lighting • Part Numbers: LVR 016 • Functional Area: LED short protection – LEDs can fail short caused by improper connection. • Protection Type: over current protection – Working conditions: 240 VAC, 80 m. A(60°C) – A LED rating is 3 V. The LEDs will be connected 48 pcs in series. It means DC 144 V, – Fault conditions: voltage, 240 VAC, 3 A(60°C) Information is TE Confidential & Proprietary Do Not Reproduce or Distribute LVR 016

气体放电管在电源管理系统中的防浪涌保护方案 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

GDT气体放电管系列 GDT for lightning protection • Ceramic GDTs • 2 and 3 Pole Devices • Lead Types: – No Lead, Radial Lead, Axial lead, T Lead • Diameter Sizes: – 6 mm, 7. 5 mm, 8 mm • DC Sparkover Voltage Values: – 90 V -> 3200 V • 8 x 20µs Surge Current Rating (10 times) : – 5 k. A, 10 k. A, 20 k. A • Fail-short Device Available – Available on top and bottom of device • Packaging – Trays (Bulk special request) Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

雷击保护要求 - IEC 61000 -4 -5（GB/T 17626. 5） Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

GDTs & MOVs Can Protect AC Power-lines Against Voltage Spikes Input waveform w/o GDT+MOV’s Phase/Line Vpeak ROV 20 -431 K Or ROV 20 H-431 K ROV 20 -471 K Or ROV 20 H-431 K GDT 470 V Or 600 V Neutral ROV 20 -431 K Or ROV 20 H-431 K Ground GDT 470 V Or 600 V Input waveform with GDT+MOV’s Vclamping In case the AC line current would be greater than the GDT follow-on current, the MOV avoids any latch of the GDT, and protects it from overheating. Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Stacked GDT for AC/DC power supply Protection Application: DC power supply protection up to 72 Vdc AC power supply protection up to 144 Vac FEATURES: Directly used on AC and DC power, no MOV need Fast response time High current rating, space saving Stable performance over life Very low capacitance High insulation resistance Excellent SMD handling Equivalent circuit Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Application for stacked GDT Key application requirements: Strict height and PCB space limitation for application High exposure lightning strikes requirements up to 20 KA High reliability requirement, like telecom, railway equipment TE New solution with stack GDT Advantage: Compact dimension of stack GDT (h < 10 mm) Inductor used for coordination, 2 -6 u. H Higher surge current handling up to 20 KA Height reduced by more than 50% and PCB footprint is reduced by more than 70%, compared with MOV in parallel solution Compared to MOV solution, no unbalanced current Long lifetime – leakage current concerns solved Information is TE Confidential & Proprietary Do Not Reproduce or Distribute Existing solution with MOV

AC 2 Pro在电源管理系统中的综合保护方案 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

AC LED的过流以及过流过压综合保护—无驱动器 LVR 008 (220 V- 4 W) LVR 005 (110 V- 2 W) 过压防护： 雷击浪涌、 开关瞬变、 (电压波动 ) Thermally ~110 VAC ~220 VAC Coupled ROV 07 -361 K (220 V) ROV 07 -221 K (110 V) 过压防护： 雷击浪涌、 开关瞬变、( 电压波动) Information is TE Confidential & Proprietary Do Not Reproduce or Distribute AC LED

TE AC 2 Pro principle PPTC Vin Vout MOV GND I V 22 十月 21 Over current protection R PS Over voltage protection I RL V Information is TE Confidential & Proprietary Do Not Reproduce or Distribute OV RL /

TE AC 2 Pro Loss of neutral protection Phase 1 Phase 2 400 Vac Phase 3 230 Vac/400 Vac Neutral 400 Vac Street cabinet Transformer: Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE AC 2 Pro Loss of neutral protection Phase 1 Phase 2 400 Vac Phase 3 230 Vac Z 3 >> Z 2 400 Vac 230 Vac/400 Vac Neutral 400 Vac Street cabinet Transformer: Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE AC 2 Pro Loss of neutral protection • Loss of neutral abnormal • Standard unprotected MOVS are typically rated to 275 Vac RMS for a universal input voltage range • The worst case would be a voltage of 400 V instead of 230 V derived from loss of neutral • In a loss of neutral condition they may overheat with disastrous even if a fuse or power resistor is used in upstream • The 2 Pro device’s PPTC element helps prevent thermal runaway, maintaining varistor surface temperature at less than 150 degree Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE AC 2 Pro Lead Spacing • Considering that PPTC is located in the primary side for LVM 2 P, a minimum distance between leads of 5. 08 mm is required to meet the safety clearance. LVM 2 P: E = 5. 08 mm Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE AC 2 Pro Summary • Meet IEC 61000 -4 -5 Lightning based on IEC 61000 -4 -5 – Wave shape: 1. 2/50μs open circuit, 8/20μs short circuit – 2 k. Voc, 2Ω source impedance – Number of Hits: 10 (+/-5 Hits) • UL 1449 – Meet abnormal voltage tests – loss of neutral test • Meet UL 1434 requirement for PPTC Conclusion: TE AC 2 Pro have unique over current, over temperature, over voltage protection characteristic Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Design case: TE AC 2 Pro for LED lighting TE AC 2 Pro help customer to pass OC/OV protection and surge testing Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

AC LED OC/OV hybrid protection W/O driver LVR 008 (220 V- 4 W) LVR 005 (110 V- 2 W) Surge protection Over current prot. Thermally ~110 VAC ~220 VAC Coupled ROV 07 -361 K (220 V) ROV 07 -221 K (110 V) Information is TE Confidential & Proprietary Do Not Reproduce or Distribute AC LED

Poly. Zen在电源管理系统中的综合保护方案 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Poly. Zen: 聚合物保护的齐纳二极管 集成热保护，短路保护的高精度齐纳二极管 Poly. Zen Schematic LS 系列 IOUT IPTC , IHOLD Polymer PTC VIN VOUT Zener IFLT Diode GND Polyzen特点 ü 过压过流综合保护 CE 系列(New) 薄型设计 1 mm高度 ü 精准电压钳位 （+/-2%精度 齐纳二极管） ü 封装尺寸小，功率大 ü 独立器件，无需外围电路 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

USB 2. 0/3. 0 端口电源保护 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Polyzen 优势 Polyzen 方案 传统DC端口保护 Poly. Zen Device Fuse Custom DC Connectors TVS Diode LDO, or other Voltage Control Devices Rest of Electronics Standard Connector (Low Cost) • 替代现有过压过流分立器件保护方案 （TVS, fuse） • 替代复杂高成本的IC保护方案 • 无需为防止电源误接而设计特殊连接器 • 独立器件，无需外围电路 • 有效减少故障率 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute Rest of Electronics

各种保护方案价格，能力分析 -分立器件 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

各种保护方案价格，能力分析 -组合方案 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Poly. Zen 特性测试 适配器（24 V, 120 W)热插拔保护 5. 6 V Poly. Zen Ø 吸收瞬态噪音 Ø 钳位电压 24 V, 120 W 适配器 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

Solution for Small Device – Poly. Zen™ MINI APPLICATIONS Industry Leading Protection against Cell phone charger port and USB power Bluetooth headset Portable Media Players • • Voltage Transients Inductive Voltage Spikes Wrong Power Supplies Reverse Bias Education machine Benefit & Features Small size design, 1210 package (3. 2*2. 5*1. 2 mm) Stable Zener diode helps shield downstream electronics from over-voltage and reverse bias events Better over-voltage impulse withstanding than IC Single component placement with integrated OV, OC, and reverse bias protection solution Low voltage drop across PTC – low input resistance Minimal power dissipation Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

2410 SFV保险丝在电源管理系统中的保护方案 17 十月 2021 Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

TE 2410 fuse type Marking Code Rated Current (A) 2410 SFV 0. 50 FM/125 C 2410 SFV 0. 63 FM/125 Voltage Rating (V) AC DC Nominal Cold DC Resistance (DCR) (Ω)* 0. 50 250 125 0. 2310 0. 1 S 0. 63 250 125 0. 1740 0. 16 2410 SFV 0. 75 FM/125 D 0. 75 250 125 0. 1480 0. 23 2410 SFV 1. 00 FM/125 E 1. 00 250 125 0. 0930 0. 59 2410 SFV 1. 25 FM/125 F 1. 25 250 125 0. 0700 0. 96 2410 SFV 1. 50 FM/125 G 1. 50 250 125 0. 0620 1. 19 250 125 0. 0420 2. 75 125 0. 0310 1. 21 125 0. 0249 1. 73 125 0. 0232 2. 2 Part Number Interrupt Rating 0. 5~2 A 100 A @250 VAC 2. 5~8 A 50 A @ 125 VAC 0. 5~8 A 50 A @ 125 VDC 300 A @ 32 VDC Nominal I 2 t (A 2 s)2 2410 SFV 2. 00 FM/125 I 2. 00 2410 SFV 2. 50 FM/125 J 2. 50 2410 SFV 3. 00 FM/125 K 3. 00 2410 SFV 3. 15 FM/125 V 3. 15 2410 SFV 3. 50 FM/125 L 3. 50 125 0. 0220 2. 5 2410 SFV 4. 00 FM/125 M 4. 00 125 0. 0172 4. 1 2410 SFV 5. 00 FM/125 N 5. 00 125 0. 0143 5. 9 2410 SFV 6. 30 FM/125 O 6. 30 125 0. 0100 12. 5 2410 SFV 7. 00 FM/125 P 7. 00 125 0. 0094 14. 2 2410 SFV 8. 00 FM/125 R 8. 00 125 0. 0086 20. 3 2410 SFV 10. 0 FM/125 Q 10. 00 125 0. 0066 29. 2 2410 SFV 12. 0 FM/065 X 12. 00 65 65 0. 0053 49. 2 2410 SFV 15. 0 FM/065 Y 15. 00 65 65 0. 0038 102. 5 2410 SFV 20. 0 FM/065 50 A @ 65 VAC Z Information 20. 00 is TE Confidential 65 100 A @ 65 V &DCProprietary 300 A @ 32 V DC Do Not Reproduce or Distribute 65 0. 0034 126. 2 35 A@125 VAC 50 A @ 125 VDC 300 A @ 32 VDC 50 A @ 65 VAC 50 A @ 65 VDC 300 A @ 32 VDC

LED lighting lightning surge standard 雷击浪涌测试（surge test），是依据IEC 61547 -2009, 一般在 220 Vac电压的国家有要求 标准要求是差模： 500 V，共模： 1 k. V Information is TE Confidential & Proprietary Do Not Reproduce or Distribute

LED lighting lightning surge test requirement Information is TE Confidential & Proprietary Do Not Reproduce or Distribute