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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Omschrijving Prijs 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-stocknr. 166-2527
FabrikantnummerFSUSB30MUX
FabrikantON Semiconductor
€ 0,206
Each (On a Reel of 4000)
Aantal stuks
- 1 10Ω - Surface Mount MSOP 10 - 3 x 3 x 1.1mm 3mm 3mm 1.1mm - +85 °C
RS-stocknr. 670-9999
FabrikantnummerFSUSB30MUX
FabrikantON Semiconductor
€ 0,50
Each (In a Pack of 5)
Aantal stuks
- 1 10Ω - Surface Mount MSOP 10 - 3 x 3 x 1.1mm 3mm 3mm 1.1mm - +85 °C
RS-stocknr. 864-4743
FabrikantnummerFSUSB42MUX
FabrikantON Semiconductor
€ 0,226
Each (On a Reel of 4000)
Aantal stuks
- 1 6.5Ω - Surface Mount MSOP 10 - 3 x 3 x 0.85mm 3mm 3mm 0.85mm - +85 °C
RS-stocknr. 739-5144
FabrikantnummerFSUSB42MUX
FabrikantON Semiconductor
€ 2,20
Each
Aantal stuks
- 2 6.5Ω - Surface Mount MSOP 10 - 3 x 3 x 0.7mm 3mm 3mm 0.7mm - +85 °C
RS-stocknr. 739-5156
FabrikantnummerFSUSB63UMX
FabrikantON Semiconductor
€ 0,37
Each
Aantal stuks
Analogue - - - Surface Mount UMLP 12 - 1.8 x 1.8 x 0.5mm 1.8mm 1.8mm 0.5mm - +85 °C
RS-stocknr. 178-4287
FabrikantnummerFUSB303TMX
FabrikantON Semiconductor
€ 0,176
Each (On a Reel of 5000)
Aantal stuks
USB 1 - - Surface Mount QFN 12 - 1.65 x 1.65 x 0.35mm 1.65mm 1.65mm 0.35mm 22 V +85 °C
RS-stocknr. 186-1487
FabrikantnummerFSA1153UCX
FabrikantON Semiconductor
€ 0,89
Each (In a Pack of 10)
Aantal stuks
USB - - Surface Mount WLCSP 12 - 1.605 x 1.44 x 0.42mm 1.61mm 1.44mm 0.42mm 5.5 V +85 °C
RS-stocknr. 186-1261
FabrikantnummerFSA1153UCX
FabrikantON Semiconductor
€ 0,33
Each (On a Reel of 3000)
Aantal stuks
USB - - Surface Mount WLCSP 12 - 1.605 x 1.44 x 0.42mm 1.61mm 1.44mm 0.42mm 5.5 V +85 °C
RS-stocknr. 186-1262
FabrikantnummerFUSB307BVMPX
FabrikantON Semiconductor
€ 0,615
Each (On a Reel of 3000)
Aantal stuks
USB - - - Surface Mount WQFN 16 210.5mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 21.5 V +105 °C
RS-stocknr. 862-8906
FabrikantnummerFSA832L10X
FabrikantON Semiconductor
€ 0,516
Each (In a Pack of 25)
Aantal stuks
Isolation 1 - Surface Mount MicroPak 10 - 2.1 x 1.6 x 0.5mm 2.1mm 1.6mm 0.5mm 6 V +85 °C
RS-stocknr. 186-1507
FabrikantnummerFUSB307BVMPX
FabrikantON Semiconductor
€ 2,96
Each (In a Pack of 5)
Aantal stuks
USB - - - Surface Mount WQFN 16 210.5mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 21.5 V +105 °C
RS-stocknr. 178-4289
FabrikantnummerFUSB307BMPX
FabrikantON Semiconductor
€ 0,669
Each (On a Reel of 3000)
Aantal stuks
USB 1 - - Surface Mount WQFN 16 210.5mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 21.5 V +85 °C
RS-stocknr. 166-2089
FabrikantnummerFAN3989MLP8X
FabrikantON Semiconductor
€ 0,41
Each (On a Reel of 3000)
Aantal stuks
- 1 - - Surface Mount MLP 8 1.5A 3 x 3 x 0.75mm 3mm 3mm 0.75mm 20 V +85 °C
RS-stocknr. 178-4282
FabrikantnummerFSUSB242UCX
FabrikantON Semiconductor
€ 0,212
Each (On a Reel of 3000)
Aantal stuks
USB 2 - Surface Mount WLCSP 9 - 1.26 x 1.26 x 0.31mm 1.26mm 1.26mm 0.31mm 5.5 V +85 °C
RS-stocknr. 178-4411
FabrikantnummerFUSB302BVMPX
FabrikantON Semiconductor
€ 1,68
Each (In a Pack of 10)
Aantal stuks
USB 1 - - Surface Mount WQFN 14 - 2.5 x 2.5 x 0.72mm 2.5mm 2.5mm 0.72mm 21 V +105 °C
RS-stocknr. 178-4452
FabrikantnummerFUSB303TMX
FabrikantON Semiconductor
€ 0,366
Each (In a Pack of 50)
Aantal stuks
USB 1 - - Surface Mount QFN 12 - 1.65 x 1.65 x 0.35mm 1.65mm 1.65mm 0.35mm 22 V +85 °C
RS-stocknr. 178-4635
FabrikantnummerFSUSB242UCX
FabrikantON Semiconductor
€ 0,50
Each (In a Pack of 10)
Aantal stuks
USB 2 - Surface Mount WLCSP 9 - 1.26 x 1.26 x 0.31mm 1.26mm 1.26mm 0.31mm 5.5 V +85 °C
RS-stocknr. 178-4474
FabrikantnummerFUSB307BMPX
FabrikantON Semiconductor
€ 1,25
Each (In a Pack of 10)
Aantal stuks
USB 1 - - Surface Mount WQFN 16 210.5mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 21.5 V +85 °C
RS-stocknr. 163-0710
FabrikantnummerNCP383LMUAJAATXG
FabrikantON Semiconductor
€ 0,472
Each (On a Reel of 3000)
Aantal stuks
High Side 2 95Ω 850 mW Surface Mount UDFN 10 3.01A 3 x 3 x 0.5mm 3mm 3mm 0.5mm 5.5 V +85 °C
RS-stocknr. 166-2029
FabrikantnummerFSA832L10X
FabrikantON Semiconductor
€ 0,313
Each (On a Reel of 5000)
Aantal stuks
Isolation 1 - Surface Mount MicroPak 10 - 2.1 x 1.6 x 0.5mm 2.1mm 1.6mm 0.5mm 6 V +85 °C