USB Power Switches

USB power switches are power management devices used to charge electronic devices on USB ports and hubs on computers, docking stations, handheld devices and automotive devices. 


How do USB power switches work?

They work by monitoring the current on a device and latch a switch off if the output current is shorted. They often have an auto reset feature which reactivates the switch once the short circuit is removed. They work in the same way as hot swap controllers, which allow circuit boards and electronic cards to be inserted into equipment, removing the need to power down during use.


Features of USB power switches

Most USB power switches have multiple safety features. For instance, built in thermal-overload protection limits junction temperature and dissipation of power. 


The internal circuity is limited to an accurate figure to protect the input supply against short circuit conditions as well as overload. They're also fitted with fault signals that notify the microprocessor whenever there's a current-limit, under voltage lockout (UVLO), short-circuit fault or thermal overload.


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제품설명 단가 Switch Type Number of Outputs Switch On Resistance Maximum Power Dissipation Mounting Type Package Type Pin Count Current Limit Dimensions Length Width Height Maximum Input Voltage Maximum Operating Temperature
RS 제품 번호 190-4413
제조사 부품 번호MAX4906FELB+T
제조사Maxim Integrated
₩3,155.80
Each (On a Reel of 2500)
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High/Full-Speed USB - 423.7 mW Surface Mount μDFN 10 - 2.05 x 2.05 x 0.55mm 2.05mm 2.05mm 0.55mm 3.6 V +85 °C
RS 제품 번호 169-7472
제조사 부품 번호AP2142SG-13
제조사DiodesZetex
₩762.60
Each (On a Reel of 2500)
수량
High Side 2 160mΩ Internally Limited Surface Mount SOP 8 1A 4.95 x 3.95 x 1.5mm 4.95mm 3.95mm 1.5mm 5.5 V +85 °C
RS 제품 번호 165-8346
제조사 부품 번호AP2511MP-13
제조사DiodesZetex
₩196.85
Each (On a Reel of 2500)
수량
High Side 2 135mΩ Internally Limited Surface Mount MSOP 8EP 8 4.6A 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V +85 °C
RS 제품 번호 822-8824
제조사 부품 번호AP2191WG-7
제조사DiodesZetex
₩1,114.45
Each (In a Pack of 10)
수량
High Side 1 170mΩ Internally Limited Surface Mount SOT-25 5 2.6A 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 5.5 V +85 °C
RS 제품 번호 910-1512
제조사 부품 번호MIC2025-2YM
제조사Microchip
₩1,148.55
Each (In a Pack of 10)
수량
High Side, USB Power Distribution 3 90mΩ Internally Limited Surface Mount SOIC 8 0.7A 5 x 3.99 x 1.63mm 5mm 3.99mm 1.63mm 5.5 V +85 °C
신제품
RS 제품 번호 202-7334
제조사 부품 번호NCP81599MNTXG
제조사ON Semiconductor
₩922.25
Each (On a Reel of 2500)
수량
Adjustable 1 - 4.1 W Surface Mount QFN32 32 - - - - - - -
RS 제품 번호 146-4910
제조사 부품 번호AP22804ASN-7
제조사DiodesZetex
₩678.90
Each (In a Pack of 10)
수량
High Side 1 65mΩ - Surface Mount U-DFN2020 5 + Tab 3.3A 2.07 x 2.07 x 0.58mm 2.07mm 2.07mm 0.58mm 2.4 V +85 °C
RS 제품 번호 146-4824
제조사 부품 번호AP22811AW5-7
제조사DiodesZetex
₩424.70
Each (In a Pack of 10)
수량
High Side 1 90mΩ - Surface Mount SOT25 5 3.2A 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 2.4 V +85 °C
RS 제품 번호 178-4474
제조사 부품 번호FUSB307BMPX
제조사ON Semiconductor
₩1,284.95
Each (In a Pack of 10)
수량
USB 1 - - Surface Mount WQFN 16 210.5mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 21.5 V +85 °C
RS 제품 번호 761-9547
제조사 부품 번호LTC4090EDJC#PBF
제조사Analog Devices
₩10,397.40
Each
수량
- 2 215mΩ - Surface Mount DFN 22 0.525A 6 x 3 x 0.75mm 6mm 3mm 0.75mm 5.5 V +85 °C
RS 제품 번호 100-0706
제조사 부품 번호LM3526M-L/NOPB
₩1,844.50
Each (In a Tube of 95)
수량
High Side 4 100mΩ 700 mW Surface Mount SOIC 8 2.2A 4.9 x 3.9 x 1.45mm 4.9mm 3.9mm 1.45mm 5.5 V +85 °C
RS 제품 번호 910-1688
제조사 부품 번호MIC2009YM6-TR
제조사Microchip
₩1,291.15
Each (In a Pack of 5)
수량
High Side 1 275mΩ Internally Limited Surface Mount SOT-23 6 0.2 → 2A 2.9 x 1.6 x 1.3mm 2.9mm 1.6mm 1.3mm 5.5 V +85 °C
RS 제품 번호 154-7658
제조사 부품 번호LTC4090EDJC#PBF
제조사Analog Devices
₩6,257.35
Each (In a Tube of 61)
수량
- 2 215mΩ - Surface Mount DFN 22 0.525A 6 x 3 x 0.75mm 6mm 3mm 0.75mm 5.5 V +85 °C