130W dimmable constant current LED driver_Infineon's ICL5102
Published time: 2018-04-28
Infineon is a leading global designer, manufacturer and supplier of a broad range of semiconductors used in various microelectronic applications. Infineon's product portfolio consists of logic products, including digital, mixed-signal, and analog integrated circuits, as well as discrete semiconductor products. More information
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Infineon's ICL5102 is a 130W dimmable constant current LED driver, integrated half-bridge controller and PFC stage in DSO-16 package, universal AC and DC input, input voltage range 85-305VAC, power factor greater than 99%, THD less than 10% , efficiency up to 95%. Using coreless transformer technology, PFC + LLC or LCC constant pressure suppression CV) or constant current (CC) output, output power up to 300W, operating temperature -40 °C to +125 °C, mainly used in LED lighting , High ceiling or office lighting, street lighting/smart streetlights. This article describes the main advantages and features of ICL5102.
The ICL5102 integrates a half-bridge controller with a PFC stage in a single DSO-16 package.
The main advantage of ICL5102:Small form factor LED driver and low bill-of-material
The high level of integration assures a low component count of external components, enabling small form factor designs ideal for compact and slim line power supplies for lighting, such as LED driver for indoor and outdoor applications. All parameters are specified for an extended temperature range from -40℃ up to +125℃. Configuration of the IC can be adjusted by simple resistors, cheap and reliable.
High performance, digital PFC and advanced HB driver
The high performance digital PFC stage achieves power factor of 99% and a THD < 10%, through operation in CrCM and DCM mode, in a frequency range of 22 kHz to 500 kHz, over a very wide load range. This supports stable operation even at low load conditions down to 0.1% of the nominal power without audible noise. The half-bridge resonant stage comes with integrated high- and low-side gate driver for discrete MOSFETs rated up to 650 V. Its non-overlap dead time is self adaptive from 500 ns ... 1.0 μs. A coreless transformer technology connects the high side stage.
Fast time-to-light and low standby
With startup current of less than 100 μA the controller provides very fast time-to-light within less than 300 ms.While standby the controller changes into active burst mode which reduces power consumption to less than 300 mW.
The controller has a comprehensive set of protection features built in to increase the system safety. It monitors in the run mode the complete system regarding bus over- and undervoltage, open loop, overcurrent of PFC and/or inverter, output overvoltage, over temperature and capacitive load regulation.
The main features:PFC + LLC or LCC with Constant Voltage (CV) or Constant Current (CC) output
Up to 300 W
Universal AC and DC input
Coreless transformer technology
Input voltage range 85–305 V AC
Integrated high-voltage gate driver
Power factor > 99%
Outstanding THD < 10%
High efficiency up to 95%
Short startup time < 300 ms
3 state self-adapting soft start
Cap load regulation
Start-up frequency up to 1.3 MHz
Active burst mode less than 300 mW standby
Stable low load operation mode
Comprehensive protection mode with auto restart:Surge protection
Overtemperature using NTC
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