Semtech Corporation
256Patents
194Active
256Granted
57Portfolio score
Filing activity: Jun 30, 1995 → Sep 28, 2023 · 22 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6441597B1 | Method and apparatus for sensing output inductor current in a DC-to-DC power converter | Electricity | 227 | Expired |
| US6583610B2 | Virtual ripple generation in switch-mode power supplies | Electricity | 201 | Expired |
| US6215290A | Multi-phase and multi-module power supplies with balanced current between phases and modules | Electricity | 135 | Expired |
| US6504422B1 | Charge pump with current limiting circuit | Electricity | 115 | Expired |
| US6094038A | Buck converter with inductive turn ratio optimization | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6424129B1 | Method and apparatus for accurately sensing output current in a DC-to-DC voltage converter | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6813170B2 | Multiple output power supply having soft start protection for load over-current or short circuit conditions | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6057607A | Method and apparatus for voltage regulation in multi-output switched mode power supplies | Electricity | 65 | Expired |
| US6377032B1 | Method and apparatus for virtual current sensing in DC-DC switched mode power supplies | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6495995B2 | Self-clocking multiphase power supply controller | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6404175B1 | Multi-phase and multi-module power supplies with balanced current between phases and modules | Electricity | 58 | Expired |
| US5880511A | Low-voltage punch-through transient suppressor employing a dual-base structure | Electricity | 41 | Expired |
| US7714547B2 | Method and apparatus for constant on-time switch mode converters | Electricity | 40 | Active |
| US7519005B2 | Single-wire communication bus for miniature low-power systems | Electricity | 40 | Expired |
| US7265504B2 | High efficiency power supply for LED lighting applications | Electricity | 35 | Active |
| US6836095B2 | Battery charging method and apparatus | Electricity | 35 | Expired |
| US6121816A | Slave clock generation system and method for synchronous telecommunications networks | Physics | 34 | Expired |
| US6714426B1 | Multiple-phase, multi-module power supply system for high frequency operation | Electricity | 33 | Expired |
| US6518725B2 | Charge balancing system | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6239509A | Method and apparatus for voltage regulation in multi-output switched mode power supplies | Electricity | 31 | Expired |
| US6836157B2 | Method and apparatus for driving LEDs | Physics | 31 | Expired |
| US6472856B2 | Bounded power supply voltage positioning | Electricity | 29 | Expired |
| US6219262A | Circuit and method for adaptive leading edge blanking in pulse width modulated current mode switching power supply controllers | Electricity | 28 | Expired |
| US6130526A | Voltage regulator with wide control bandwidth | Physics | 27 | Expired |
| US7580030B2 | Sensor for capacitive touch pad pointing device | Physics | 27 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.