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v3.22.0.1

Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 30, 2022 | Jan. 31, 2021 | Jan. 26, 2020
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 740,858 | $ 595,117 | $ 547,512
Gross profit | 466,081 | 363,549 | 336,684
High-Performance Analog Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 537,288 | 433,174 | 390,300
Gross profit | 364,594 | 283,668 | 259,172
System Protection Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | 203,570 | 161,943 | 157,212
Gross profit | 105,605 | 81,631 | 78,809
Unallocated costs, including share-based compensation |  |  |
Revenue from External Customer [Line Items] |  |  |
Gross profit | $ (4,118) | $ (1,750) | $ (1,297)

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