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
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RS-stocknr. 204-2528
FabrikantnummerMAX77958EWV+
FabrikantMaxim Integrated
€ 1,768
Each (In a Pack of 5)
Aantal stuks
USB 1 - 24.4 mW Surface Mount WLP 6 - - - - - - -
RS-stocknr. 177-0562
FabrikantnummerMIC2075-1YMM
FabrikantMicrochip
€ 0,324
Each (In a Pack of 20)
Aantal stuks
USB High Side Power 1 160mΩ - Surface Mount MSOP 8 0.85A 3 x 3 x 0.92mm 3mm 3mm 0.92mm 5.5 V +85 °C
RS-stocknr. 177-0778
FabrikantnummerMIC2027-1YM
FabrikantMicrochip
€ 0,948
Each (In a Pack of 5)
Aantal stuks
USB High Side Power 4 180mΩ - Surface Mount SOIC 16 1A 9.93 x 3.94 x 1.48mm 9.93mm 3.94mm 1.48mm 5.5 V +85 °C
RS-stocknr. 190-4413
FabrikantnummerMAX4906FELB+T
FabrikantMaxim Integrated
€ 2,118
Each (On a Reel of 2500)
Aantal stuks
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-stocknr. 171-3082
FabrikantnummerTC7USB42MU
FabrikantToshiba
€ 0,174
Each (In a Pack of 25)
Aantal stuks
USB 2 14Ω 200 mW Surface Mount UQFN 10 50mA 1.4 x 1.8 x 0.5mm 1.4mm 1.8mm 0.5mm 4.3 V +85 °C
RS-stocknr. 145-0390
FabrikantnummerTPS2041BD
€ 0,818
Each (In a Tube of 75)
Aantal stuks
High Side, USB Power Distribution 4 70mΩ 585.82 mW Surface Mount SOIC 8 1.25A 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 5.5 V +85 °C
RS-stocknr. 921-0414
FabrikantnummerAP2152SG-13
FabrikantDiodesZetex
€ 0,43
Each (In a Pack of 5)
Aantal stuks
High Side 2 160mΩ Internally Limited Surface Mount SOIC 8 1A 4.95 x 3.95 x 1.5mm 4.95mm 3.95mm 1.5mm 5.5 V +85 °C
RS-stocknr. 662-2413
FabrikantnummerTPS2021D
€ 2,062
Each (In a Pack of 5)
Aantal stuks
High Side, USB Power Distribution 4 33mΩ 725 mW Surface Mount SOIC 8 0.9A 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 5.5 V +85 °C
RS-stocknr. 662-2439
FabrikantnummerTPS2041BDGN
€ 1,596
Each (In a Pack of 5)
Aantal stuks
High Side, USB Power Distribution 4 70mΩ 1.71 W Surface Mount MSOP 8 1.25A 3 x 3 x 1.02mm 3mm 3mm 1.02mm 5.5 V +85 °C
RS-stocknr. 168-5062
FabrikantnummerTPS2559QWDRCTQ1
€ 1,273
Each (On a Reel of 250)
Aantal stuks
Power 3 13mΩ Internally Limited Surface Mount VSON 10 7460mA 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 6.5 V +125 °C
RS-stocknr. 146-4722
FabrikantnummerAP22804BW5-7
FabrikantDiodesZetex
€ 0,222
Each (On a Reel of 3000)
Aantal stuks
High Side 1 65mΩ - Surface Mount SOT25 5 3.3A 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 2.4 V +85 °C
RS-stocknr. 460-758
FabrikantnummerLM3525M-L/NOPB
€ 1,596
Each (In a Pack of 5)
Aantal stuks
High Side 3 80mΩ 700 mW Surface Mount SOIC 8 2.25A 4.9 x 3.9 x 1.45mm 4.9mm 3.9mm 1.45mm 5.5 V +85 °C
RS-stocknr. 177-0324
FabrikantnummerMIC2075-1YMM
FabrikantMicrochip
€ 0,319
Each (In a Tube of 100)
Aantal stuks
USB High Side Power 1 160mΩ - Surface Mount MSOP 8 0.85A 3 x 3 x 0.92mm 3mm 3mm 0.92mm 5.5 V +85 °C
RS-stocknr. 177-0815
FabrikantnummerMIC2075-2YMM
FabrikantMicrochip
€ 0,30
Each (In a Pack of 20)
Aantal stuks
USB High Side Power 1 160mΩ - Surface Mount MSOP 8 0.85A 3 x 3 x 0.92mm 3mm 3mm 0.92mm 5.5 V +85 °C
RS-stocknr. 145-9132
FabrikantnummerMIC2026-2YM
FabrikantMicrochip
€ 0,707
Each (In a Tube of 95)
Aantal stuks
High Side, USB Power Distribution 4 90mΩ Internally Limited Surface Mount SOIC 8 0.9A 5 x 3.99 x 1.63mm 5mm 3.99mm 1.63mm 5.5 V +85 °C
RS-stocknr. 160-4458
FabrikantnummerADP197ACBZ-R7
FabrikantAnalog Devices
€ 0,608
Each (On a Reel of 3000)
Aantal stuks
High Side 1 17mΩ - Surface Mount WLCSP 6 - 1.5 x 1 x 0.38mm 1.5mm 1mm 0.38mm 5.5 V +85 °C
RS-stocknr. 145-9140
FabrikantnummerMIC2076-1YM
FabrikantMicrochip
€ 0,85
Each (In a Tube of 95)
Aantal stuks
High Side, USB Power Distribution - - Internally Limited Surface Mount SOIC 8 0.9A 5 x 3.99 x 1.63mm 5mm 3.99mm 1.63mm 5.5 V +85 °C
RS-stocknr. 190-6478
FabrikantnummerMAX4899AEETE+
FabrikantMaxim Integrated
€ 3,224
Each (In a Pack of 5)
Aantal stuks
High Speed - 18Ω 1.67 W Surface Mount TQFN-EP 16 2mA 3 x 3 x 0.75mm 3mm 3mm 0.75mm 3.6 V +85 °C
RS-stocknr. 162-7140
FabrikantnummerTPS2062D
€ 0,801
Each (In a Tube of 75)
Aantal stuks
High Side, USB Power Distribution 4 70mΩ 585.82 mW Surface Mount SOIC 8 1.5A 4.9 x 3.91 x 1.58mm 4.9mm 3.91mm 1.58mm 5.5 V +85 °C
RS-stocknr. 166-2029
FabrikantnummerFSA832L10X
FabrikantON Semiconductor
€ 0,218
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
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