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History

Launched new generation (180V self-powered) chip LD8529x for AHB(Asymmetrical Half-Bridge ) Flyback secondary side synchronous rectify controller
Launched first generation AHB(Asymmetrical Half-Bridge ) Flyback controller LD5780
and LD7710 for mid-high power applications
Launched first generation PFC+LLC ( Half-Bridge LLC Resonant ) dual controller LD7771x series for mid-high power applications
Achieved CB certification of IEC62368-1:2018 (Third Edition) safety requirements of PFC+HB-LLC combo、AHB、LLC topology with ICX function controller in SOP-16、SOP-20、TTSOP-20 …package
USB PD 3.2 Certificate issued of LD6615x2(TID: 14289)/LD6935x2(TID: 14288) and LD6618 (TID: 14451) for quick charging application
Launched first generation (180V self-powered) chip LD8530 dual channel synchronous rectify controller for LLC topology
Launched new generation of active PFC controller LD7593x1 in SOT-26 to enhance
power factor & reduce harmonic current performance
Developing new generation mixed-signal(digital+analog) and integrate wide band gap semiconductor (as GaN/SiC…) driver controllers
The first ESG report was officially released.

Launched new generation chip LD8528x for secondary side synchronous rectify controller
Launched driving GaN controller LD5555x1/LD5556x1 for high power density and efficiency PD applications
LD7797x wins 2023 AspenCore (WEAA) Power Management/Voltage Converter of the Year
LD7597x wins 2023 AspenCore (EE Awards Asia) Best Power Management IC Converter of the Year
Launched first GaN combo LD96x family for high power density and efficiency PD applications
Launched first multi-ports USB-C power delivery controller LD6621 and achieved certification for USB PD 3.0+PPS+QC4.0+UFCS

Launched first Interleaved PFC controller LD7580x in mixed-signal design for high power applications
Launched driving GaN/MOS controller LD5763x5/LD555x for high efficiency and power density applications
Launched new generation (180V self-powered) chip LD8528x3/LD8529x for secondary side synchronous rectify controller
Developing first AHB (Asymmetrical Half-Bridge ) controller LD5780x for high efficiency applications and applying for patents
Developing first PFC+HB_LLC ( Half-Bridge LLC Resonant ) dual controller LD7771x for high power applications
Launched next generation (ultra low power consumption) chip LD6615x2/LD6935x2 for USB PD application
Launched power delivery secondary controller LD6618x and achieved certification for USB PD /e-bike/e-motor quick charging application
Launched integrated MOS/GaN combo with ICX function driver LD9xxx family in LOSP-9/QFN8*8 package and achieved CB certification of IEC62368-1:2018 (Third Edition) safety requirements

Launched the LD6615 USB Power Delivery controller with SOP-8 package.
Introduced the first MOS-Combo PD controller, LD6935, suitable for high-power density and high-efficiency USB-C PD applications.
Launched the LD7841, a primary-side controlled constant voltage output IC with high power factor, low harmonic distortion, and low standby power consumption.
Awarded by EE Awards Asia, the dual integration solution, which adopts primary side control and synchronous feedback, was named The Promising Product of the Year.
Introduced an asymmetrical half-bridge resonant solution, suitable for medium to high-power TV power systems

Introducing the LD5766E, a high-efficiency and energy-saving quasi-resonant PWM IC paired with GaN FET components for miniaturizing PD solutions.
Launching the LD7597, a boost power factor correction controller with high power factor, low harmonic distortion, and low standby power consumption.
Launching the LD6617x USB-C Power Delivery 3.1 controller, which supports applications up to 36V/180W.
Received the Product Award in the EE Awards Asia hosted by AspenCore, the PD 3.1 Total solution, which includes LD7798, LD8526, and LD6617.

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