Swaroopa R Chillal

Infineon Semiconductor Pvt. Ltd

07.2018 - Current

Involved in quality assurance stage of product/ ICs Setting up of test environments, designing test plans, executing these cases. Providing feedback on usability and serviceability, trace the result to quality risk and report it to concerned people.
Hands on experience with 93000 verigy Tester: Mixed signal tester mainly used for Digital IC testing with huge hardware resources available to test the devices at final level and wafer level.
Project: 1. Currently as a TE Lead for a MCU arm cortex M33 motor control application product working on Analog block.
Feasibility study of hardware wrto. Analog block Bandgap reference, ADC, DAC, DCSG (Comparator slope gain) testing.
Writing Test plans for all the production param test cases.
Working with cross functional teams like vector pattern generation, verification and RTL replay of patterns, streamlining of various versions of production releases by Product engineer inputs.
PLL, LPCOMP, Reference, different types of oscillator blocks bring up.
Test boards and probe cards schematic and layout review.

Project: 2. Flash Char: For various params of DAC to compensate Temp co-efficient effect char was done for SONOS Flash. The characterised DAC values added to production release to improve yield for Sonos Flash.

Projects: 3. Testing of USB TYPE-C Devices- USB Type-C and USB-Power Delivery port control solution for PCs, notebook, and dock. Test plan development for TX-RX block, Power Delivery block, LDO Regulators etc. on 93k tester platform and released to production.

Projects: 4. Tools developed:
Development of Tool for excel to SMT8 93K based test program files- This tool was developed in java to make excel file entry of test program details convert to the test program files needed for SMT8 version.
Development of Tool for NEXTEST various version of platform conversion using python.

Projects: 5. Conversion projects from Cypress tester - NEXTEST to SMT8: 2 type-c USB products converted from Nextest to SMT8 and released to production.
Individual contribution to the project: Study of available hardware resources for testing setting, developing test plan, setting up the testing environment using simulator, verifying the load board schematic, processing with the tests required for testing, documenting.
As sustaining Test Engineer worked on various yield fixes across process corner for wafers and TTR for various USB TYPE-C products. The TTR developed was fanned out to various other products. Production release process improvement.
Mentored junior team members, sharing best practices in test engineering techniques and tools usage.

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