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 test results from the Eagle and IG-XL platforms. Finally, the article presents the testing scheme for the audio module of the 16-bit ADC/DAC in the PMIC.
You will learn:
1. The internal components and working characteristics of PMIC
2. Basic understanding of WLCSP package debugging tools
3. Comparison and relationship between Ultraflex and Eagle testing
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About Teradyne
Teradyne (NASDAQ: TER) is a leading supplier of automated test and industrial application equipment. Teradyne’s automated test equipment (ATE) is used to test semiconductors, wireless products, data storage, and complex electronic systems, serving customers in consumer goods, communications, industrial, and government sectors. Our industrial automation products include collaborative robots used by global manufacturing and light industrial customers to improve quality and production efficiency. The company generated $2.1 billion in revenue in 2018 and currently employs approximately 5,200 people worldwide. For more information, please visit www.teradyne.cn
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