ICE2QR2280Z1XKLA1

PMIC - AC DC Converters, Offline Switchers

ICE2QR2280Z1XKLA1 is an integrated offline switch is an optimal solution for high-power-factor and green-power applications, such as SMPS and LED lighting. This switch is programmable, offering multiple primary control options, full-load efficiency up to 99% and integrated power components. Its high power factor and low THD make it the ideal choice for many applications.

Application Field

The ICE2QR2280Z1XKLA1 is highly suitable for offline LED lighting, LED drivers, LED TV, LED lamps, LED drivers and LED bulbs applications. This switch offers up to 12 A of continuous output current at 240 VAC as well as an adjustable switching frequency of up to 200 kHz for improved efficiency and reduced EMI. Furthermore, it can be applied in implementing flyback, forward and quasi-resonant SMPS topologies.

Working Principle

The operating principle of the ICE2QR2280Z1XKLA1 is based on an auto-restart topology, which is an improved version of the standard flyback converter. The basic circuit consists of input rectification, a voltage/frequency control with reset, an auxiliary winding and rectifier, a reset synchronizer, an error amplifier, PWM modulator and a main switch. The switch is opened based on the control signals and when the voltage on the output reaches the required level, the switch is closed to allow current to continue flowing. At each switching operation, the voltage across the secondary winding is monitored and the current loop is adjusted accordingly, ensuring excellent regulation.

The ICE2QR2280Z1XKLA1 offers several features that make it suitable for high-power-factor and green-power applications. It is designed with a built-in OTP (Over Temperature Protection) which shuts down the converter in case of over temperature, improving system reliability. Moreover, the switch is provided with a low standby power consumption providing a low cost, versatile and efficient solution for many applications.

On-chip programmable features, such as the built-in input bias, current sense gain, OVP and OTP, provide a very flexible design that can be used in a variety of applications. By adjusting the settings, the converter can be optimized to ensure high efficiency and low standby power consumption. Additionally, this switch features low-noise operation and has built-in snubber circuiting to further reduce EMI, improving system reliability and performance.

The ICE2QR2280Z1XKLA1 is a highly versatile offline switch, providing a very efficient solution for many applications and offering excellent power control and regulation. The adjustable switching frequency and on-chip programmable features make it the ideal choice for many high power-factor, green-power applications. This switch offers excellent efficiency, high reliability and low total harmonic distortion, making it ideal for many different applications.