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 switchesMost 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.

...
Read more Read less

Filters

Viewing 41 - 60 of 234 products
Results per page
Description Price 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 Stock No. 822-8811
Mfr. Part No.AP2156MPG-13
£0.641
Each (In a Pack of 10)
Units
High Side 2 160mΩ Internally Limited Surface Mount MSOP 8 1A 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V +85 °C
RS Stock No. 423-163
Mfr. Part No.TPS2042BD
£1.49
Each (In a Pack of 5)
Units
High Side, USB Power Distribution 4 49mΩ 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 Stock No. 165-4225
Mfr. Part No.MIC2005A-1YM5-TR
BrandMicrochip
£0.163
Each (On a Reel of 3000)
Units
High Side 1 275mΩ Internally Limited Surface Mount SOT-23 5 0.5A 2.9 x 1.6 x 1.3mm 2.9mm 1.6mm 1.3mm 5.5 V +85 °C
RS Stock No. 145-7797
Mfr. Part No.TPS2553DBVT
£0.801
Each (On a Reel of 250)
Units
USB Power Distribution 1 85mΩ 625 mW Surface Mount SOT-23 6 1.2A 2.9 x 1.6 x 1.15mm 2.9mm 1.6mm 1.15mm 6.5 V +85 °C
RS Stock No. 147-360
Mfr. Part No.TPS2061D
£1.33
Each (In a Pack of 5)
Units
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 Stock No. 923-2461
Mfr. Part No.TPS2042BD
£1.333
Each (In a Tube of 75)
Units
High Side, USB Power Distribution 4 49mΩ 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 Stock No. 921-0420
Mfr. Part No.AP2171SG-13
£0.124
Each (In a Pack of 20)
Units
High Side 2 110mΩ Internally Limited Surface Mount U-DFN2018 6 1.9A 1.87 x 2.07 x 0.555mm 1.87mm 2.07mm 0.555mm 5.5 V +85 °C
RS Stock No. 145-0665
Mfr. Part No.TPS2061D
£1.166
Each (In a Tube of 75)
Units
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 Stock No. 145-7628
Mfr. Part No.TPS2500DRCT
£1.694
Each (On a Reel of 250)
Units
High Side, Low Side 1 120mΩ 2.4 W Surface Mount VSON 10 130 → 1400mA 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.25 V +85 °C
RS Stock No. 145-6966
Mfr. Part No.TPS2051BD
£1.005
Each (In a Tube of 75)
Units
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 Stock No. 662-2413
Mfr. Part No.TPS2021D
£2.234
Each (In a Pack of 5)
Units
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 Stock No. 662-2454
Mfr. Part No.TPS2051BD
£1.182
Each (In a Pack of 5)
Units
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 Stock No. 162-7135
Mfr. Part No.TPS2021D
£1.899
Each (In a Tube of 75)
Units
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 Stock No. 812-0405
Mfr. Part No.TPS2500DRCT
£2.448
Each (In a Pack of 5)
Units
High Side, Low Side 1 120mΩ 2.4 W Surface Mount VSON 10 130 → 1400mA 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.25 V +85 °C
RS Stock No. 817-5587
Mfr. Part No.TS3USB31ERSER
£0.748
Each (On a Tape of 25)
Units
High Side 1 - - Surface Mount UQFN 8 - 1.55 x 1.55 x 0.55mm 1.55mm 1.55mm 0.55mm 4.3 V +85 °C
RS Stock No. 812-0408
Mfr. Part No.TPS2511DGN
£1.444
Each (In a Pack of 10)
Units
High Side 1 120mΩ Internally Limited Surface Mount MSOP 8 3330mA 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V +85 °C
RS Stock No. 162-7918
Mfr. Part No.TPS2511DGN
£1.313
Each (In a Tube of 80)
Units
High Side 1 120mΩ Internally Limited Surface Mount MSOP 8 3330mA 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V +85 °C
RS Stock No. 166-2089
Mfr. Part No.FAN3989MLP8X
£0.353
Each (On a Reel of 3000)
Units
- 1 - - Surface Mount MLP 8 1.5A 3 x 3 x 0.75mm 3mm 3mm 0.75mm 20 V +85 °C
RS Stock No. 809-9887
Mfr. Part No.ADP198ACBZ-R7
£0.846
Each (On a Tape of 5)
Units
High Side 1 90mΩ - Surface Mount WLCSP 4 - 0.99 x 1.065 x 0.37mm 0.99mm 1.065mm 0.37mm 6.5 V +85 °C
RS Stock No. 761-9547
Mfr. Part No.LTC4090EDJC#PBF
£5.98
Each
Units
- 2 215mΩ - Surface Mount DFN 22 0.525A 6 x 3 x 0.75mm 6mm 3mm 0.75mm 5.5 V +85 °C
Related Products
From Micrel, a high-sided switch suitable for general-purpose ...
Description:
From Micrel, a high-sided switch suitable for general-purpose power distribution. Typically used in USB peripherals and desktop or notebook PCs.
From Micrel, a high-sided switch suitable for general-purpose ...
Description:
From Micrel, a high-sided switch suitable for general-purpose power distribution. Typically used in USB peripherals and desktop or notebook PCs.
AP2191DWG-7 | DiodesZetex AP2191DWG-7, Power Distribution Switch, High ...
Description:
AP2191DWG-7 | DiodesZetex AP2191DWG-7, Power Distribution Switch, High Side, 115mΩ, 2.7 V min. 5-Pin, SOT-25
AP2152SG-13 | DiodesZetex AP2152SG-13, Dual Power Distribution Switch, ...
Description:
AP2152SG-13 | DiodesZetex AP2152SG-13, Dual Power Distribution Switch, High Side, 160mΩ, 2.7 V min. 8-Pin, SOIC