V lamp Start 20211213 I IPH V VPH

镇流器 作模式 V lamp Start 2021/12/13 I = IPH, V = VPH V = VIGN PH IGN IR西安应用中心 V = VRUN time RUN DIM 8

镇流器输出级 HO LO VS VBUS HO IL VS LO VIN time VIN ILph, ILign ILrun 0 For Half-Bridge VIN = VBUS/2 2021/12/13 IR西安应用中心 t 9

触发波形 Preheat, and Ignition Ramp with 2 lamps crossed 2021/12/13 IR西安应用中心 15

不触发故障条件 (CS pin) no over-current, inductor saturation, damage or destruct half-bridge Mosfets High-Q Low-Q Vout Vin Ignition Run Preheat frequency VS ! IL 2021/12/13 IR西安应用中心 16

灯丝开路条件 (CS pin) no hard switching at half-bridge which would damage or destruct power Mosfet High-Q Low-Q Ignition VS Run Preheat IS 1 fr(LQ) fr(HQ) VS IS 2 ! IL 2021/12/13 IR西安应用中心 17

在谐振点以下 (CS pin) early detection of load fault High-Q Low-Q Ignition Run Ignition Preheat Run fr(LQ) fr(HQ) Preheat fr(HQ) VS VS IL IS 1 IL 2021/12/13 IR西安应用中心 ! 18

靠近谐振点条件下 (CS pin) no hard switching for load fault High-Q Low-Q Ignition Run Ignition Preheat Run Preheat fr(LQ) fr(HQ) ! 2021/12/13 IR西安应用中心 19

到达灯寿时间条件下 no over-heating of lamp filaments. Glass can melt and fall out of fixture. High current spikes in the half-bridge which can damage and destroy power Mosfet 2021/12/13 IR西安应用中心 20

灯检测和自动重启动 (SD pin) Lamp exchange and restart without re-setting mains voltage 暗光检测 Lamp can extinguish and remain unlit. Entire room will be dark after a brown-out occurs. 2021/12/13 IR西安应用中心 21

IR 2156内部框图 2021/12/13 IR西安应用中心 32

IR 2156的启动 2021/12/13 IR西安应用中心 35

IR 2156 预热 2021/12/13 IR西安应用中心 36

IR 2156 触发 2021/12/13 IR西安应用中心 38

IR 2156 作时序图 2021/12/13 IR西安应用中心 42

IR 2156 样品 Compact ballast Linear Ballast 2021/12/13 IR西安应用中心 43

IR 21571 状态图 2021/12/13 IR西安应用中心 48

IR 21571样品 2021/12/13 IR西安应用中心 50

IR 21592样品 2021/12/13 IR西安应用中心 61

IR PFC与分离PFC IC的比较 仅在PFC级就省去了9 个元件 EXISTING L 2 R 8 D 2 R 1 L R 4 RV 1 N C 2 D 1 R 2 BR 1 R 5 - 省去 1个昂贵的电流 检测电阻 - 省去 4个总线和保护 电阻 - 省去 1个电容 - 省去 3个自举元件 C 8 GND C 1 R 7 1 8 2 7 Conventional 3 6 PFC C 3 C 5 4 R 9 C 6 M 1 C 7 5 R 6 R 3 C 4 R 10 IR PFC METHOD L 2 R 8 D 2 L 1 L R 4 RV 1 N C 2 BR 1 R 5 C 8 GND C 1 R 9 M 1 IR PFC C 3 C 5 R 6 Part of IR 2166 2021/12/13 IR西安应用中心 66

THD和PF比标准PFC IC有改进 Up to 5% improvement in THD 2021/12/13 IR西安应用中心 Better PF at all voltages 69

IR PFC 特征 IR 2166/2167 35 W镇流器 线： 黄 – 功率因数 红 – THD 绿 – 总线电压 Note: IR 2166 demo board results, EMI filter to add to fulfill THD requirements EN 61000 -3 -2 2021/12/13 IR西安应用中心 72

IR PFC的性能 - 0. 99 PF and <10% THD! White – Line Input Voltage Blue – Line Current Green – Line Input Voltage Blue – Line Current Ballast with 35 W load with no PFC IR 2166 Ballast with 35 W load 120 VAC input Power Factor = 0. 55 THD = 128% 2021/12/13 Power Factor = 0. 99 THD < 10% IR西安应用中心 77

产品是怎样 作的? POWER TURNED ON Power Turned Off Lamp Removal FAULT Failure to Strike Over-Current Hard Switching No load End of Lamp Life 2021/12/13 UVLO PREHEAT IGNITION RUN IR西安应用中心 VCC Fault DC Bus Fault AC Line Fault Power down Lamp Fault Lamp Removal 79

IR 2166内部是什麽? 1 CPH 6 RPH 4 RT 3 CT 5 VCC Timing Oscillator Soft Start Under. Voltage Detect High Side And Low Side Driver PFC Fault Logic SD 11 2021/12/13 12 15 HO 14 VS 16 VB 13 LO 9 PFC 2 VBUS 8 ZX 7 CS IR西安应用中心 10 COM 81

IR 2161 方框图 2021/12/13 IR西安应用中心 97

IR 2161 引脚 2021/12/13 IR西安应用中心 98

IR 2161 状态图 POWER TURNED ON Power Turned Off UVLO FAULT Over Temperature External Shutdown Circuit Fault SOFT START VOLTAGE COMPENSATION Short Circuit or Over Load AUTO RESETTING FAULT 2021/12/13 VCC Fault AC Line Fault Power down Auto restart Timeout Phase cut dimming PHASE CUT DIMMING IR西安应用中心 99

8脚CFL IC引脚 2021/12/13 IR西安应用中心 107

8脚CFL IC 方框图 VCC 1 COM 2 VCO 3 FMIN 4 Integrated Bootstrap Diode Voltage Controlled Oscillator Fault Logic Adaptive ZVS & MCS 2021/12/13 IR西安应用中心 High Side And Low Side Driver 8 VB 7 HO 6 VS 5 LO VS Sensing 108

新 8脚IC控制次序 fosc Crest Factor Protection Magnitude [d. B] f Start Ignition Run Start f. Ignition f. Run t Frequency [KHz] 2021/12/13 preheat IR西安应用中心 ignition run 109

8 脚CFL IC状态图 POWER TURNED ON Power Turned Off UVLO FAULT Failure to Strike Over-Current Hard Switching Open Filaments No load 2021/12/13 FREQUENCY SWEEP ADAPTIVE RUN IR西安应用中心 VCC Fault Power Turned Off 110

扫频模式波形 Traces: Top – Lamp Voltage Bottom – VCO pin Voltage 2021/12/13 IR西安应用中心 112

故障模式 VBUS Crest Factor > 4 HO IL VS LO VIN 2021/12/13 IR西安应用中心 115

不触发故障条件下 (CS pin) no over-current, inductor saturation, damage or destruct half-bridge Mosfets High-Q Low-Q Vout Vin Ignition Run Preheat frequency VS ! IL 2021/12/13 IR西安应用中心 116

灯丝开路条件下 (CS pin) High-Q Low-Q Ignition VS Run Preheat IS 1 fr(LQ) fr(HQ) VS IS 2 ! IL 2021/12/13 IR西安应用中心 117

设计软件介绍 Pin = 34 W, Vign = 1600 Vppk, Vph = 600 Vppk, tph = 1 sec Lres = 2 m. H, Cres = 8. 2 n. F 2021/12/13 IR西安应用中心 120

镇流器设计参考 Reference Design IRPLCFL 2 IRPLCFL 3 IRPLLNR 2 E IRPLLNR 2 U IRPLLNR 3 IRPLDIM 1 E IRPLDIM 1 U IRPLDIM 2 E IRPLDIM 2 U IRPLLNR 4 Ballast IC Description IR 2156 IR 21571 IR 2167 IR 2159/92 42 W, Single, Compact Lighting Ballast, 110/220 VAC. 25 W, Single, Dimmable Compact Lighting Ballast, 110 VAC. Linear Lighting Ballast, European Version, 230 VAC, 36 W/T 8 lamp. Linear Lighting Ballast, US Version, 120 VAC, 32 W/T 8 lamp. Linear Lighting Ballast, Universal Input 80 -260 VAC, 35 W/28 WT 5 lamp. Dimming Lighting Ballast, European Version, 230 VAC, 36 W/T 8 lamp. Dimming Lighting Ballast, US Version, 120 VAC, 32 W/T 8 lamp. Digital Dimming (DALI) Lighting Ballast, European Version, 230 VAC, 32 W/T 8 lamp. IR 2159/92 IR 2166 Digital Dimming (DALI) lighting Ballast, US Version, 120 VAC, 32 W/T 8 lamp. Linear Lighting Ballast, Universal Input 80 -260 VAC, 35 W/28 WT 5 lamp. § 组合完整并调试的PCB板 § 文件包括：原理图，原料清单，PCB图，应用指导，数据表。 § 可从 www. irf. com/lighting获得更多的信息. 2021/12/13 IR西安应用中心 124

IR公司网址: 2021/12/13 WWW. IRF. COM IR西安应用中心 126