PART01 IEEE ICTA 2025 The 8th IEEE International Conference on Integrated Circuits Technology and Applications (ICTA 2025) will be held from October 22 to 24 in Macau, China. Professor Cheng Lin has been invited to serve as the chair of the conference steering committee. The PMIC laboratory has two papers selected, with master’s students Zhang … Read more
In recent years, the domestic new energy vehicle sector has undergone a profound transformation, with numerous automakers making smart driving a core selling point of new models, continuously introducing innovative features. In the recently concluded year of 2024, the penetration rate of L2 level ADAS in China has rapidly increased, with “universal smart driving” and … Read more
As the new generation of automotive electronic and electrical architecture (EEA) enters a rapid iteration phase, the trend of regionalization and centralized computing leads to concentrated computing power and reconstruction of power supply networks. Coupled with the maturity and large-scale application of various28nm automotive-gradeMCUs, there are stricter requirements for the power management integrated circuits (PMIC, … Read more
First, assuming you are an experienced user of the UJA113x, this article serves as a memo to refresh your memory. Based on the <span>UJA113x</span> series (including <span>UJA1135</span>) product data sheet, we will break down the functional highlights by core unit modules, covering key modules such as system control, power management, communication interfaces, high-voltage I/O, and … Read more
1. South Korea’s DB Hitek will manufacture the PMIC for Meta’s AR glasses, with the chip designed by a Chinese company. 2. The ColorOS 16 system’s photo album introduces a new AI portrait fill light feature, officially described as “bringing a reflector when going out”. 3. The Honor Magic8 series and MagicPad 3 Pro will … Read more
STMicroelectronics’ SPSA068 is a power management integrated circuit (PMIC) that integrates a synchronous current mode BUCK step-down regulator (with built-in high and low side power MOSFETs) and a high-precision voltage reference. It is both flexible and easy to use, equipped with a complete set of features to meet the functional safety requirements of passenger vehicles, … Read more
1.PMIC（Power Management IC）: Power Management Integrated Circuit, a chip that integrates various power management functions (such as voltage regulation, boost, buck, charging, etc.) to provide stable and efficient power solutions for electronic devices, commonly found in smartphones, automotive electronics, IoT devices, etc. 2.LDO（Low Dropout Regulator）: Low Dropout Linear Regulator, a type of linear voltage regulator … Read more
High Parallel Testing of Mobile PMIC in WLCSP Package In this article, we introduce the high parallel testing of mobile PMIC in WLCSP package. During this process, we illustrate the testing of a small chip that integrates a lithium-ion charger, a micro USB interface controller, RGB, and LED drivers. We also compare and explain the … Read more
In the first half of 2025, the global semiconductor industry continues to recover, driven by strong demand from emerging applications such as AI, automotive electronics, and others. Against this backdrop, the power management integrated circuit (PMIC) market shows significant structural differentiation: traditional consumer applications are experiencing weak demand, while high-performance and high-reliability PMIC for automotive … Read more
Following the previous SOC test cases, which garnered significant attention, we will add some considerations for PMIC testing. Combining the previously discussed requirements for PMIC, this article will provide a preliminary discussion from a testing perspective: after the definition and design of the PMIC, how to conduct testing. There is a wealth of information available … Read more