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. 146-4710
FabrikantnummerAP22814BW5-7
FabrikantDiodesZetex
€ 0,106
Each (On a Reel of 3000)
Aantal stuks
High Side 1 65mΩ - Surface Mount SOT25 5 3.8A 3.1 x 1.7 x 1.3mm 3.1mm 1.7mm 1.3mm 2.4 V +85 °C
RS-stocknr. 111-5720
FabrikantnummerUPD1002-A/MQ
FabrikantMicrochip
€ 0,98
Each (In a Pack of 5)
Aantal stuks
USB Power Distribution - - - Surface Mount SQFN 32 - 5.1 x 5.1 x 0.95mm 5.1mm 5.1mm 0.95mm 6 V +70 °C
RS-stocknr. 730-0657
FabrikantnummerTPS2540RTET
€ 1,79
Each
Aantal stuks
High Side 1 120mΩ Internally Limited Surface Mount WQFN 16 2.8A 3.15 x 3.15 x 0.75mm 3.15mm 3.15mm 0.75mm 5.5 V +85 °C
RS-stocknr. 921-0470
FabrikantnummerAP2337SA-7
FabrikantDiodesZetex
€ 0,089
Each (In a Pack of 30)
Aantal stuks
High Side 1 170mΩ Internally Limited Surface Mount SOT-23 3 1.9A 3 x 1.4 x 1.1mm 3mm 1.4mm 1.1mm 5.5 V +85 °C
RS-stocknr. 817-5840
FabrikantnummerBQ24195RGET
€ 2,78
Each
Aantal stuks
High Side, Low Side 1 51mΩ - Surface Mount VQFN 24 9A 4.15 x 4.15 x 0.95mm 4.15mm 4.15mm 0.95mm 17 V +85 °C
RS-stocknr. 177-0315
FabrikantnummerMIC2025-1YMM
FabrikantMicrochip
€ 0,43
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. 160-4460
FabrikantnummerADP198ACBZ-R7
FabrikantAnalog Devices
€ 0,457
Each (On a Reel of 3000)
Aantal stuks
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-stocknr. 177-0752
FabrikantnummerMIC2025-2YMM
FabrikantMicrochip
€ 0,276
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. 662-2502
FabrikantnummerTPS2148IDGN
€ 2,414
Each (In a Pack of 5)
Aantal stuks
High Side, USB Power Distribution 2 340mΩ 1.46 W Surface Mount MSOP 8 0.4A 3 x 3 x 1.02mm 3mm 3mm 1.02mm 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. 921-0445
FabrikantnummerAP2191SG-13
FabrikantDiodesZetex
€ 0,788
Each (In a Pack of 10)
Aantal stuks
High Side 2 115mΩ Internally Limited Surface Mount SOIC 8 2.6A 4.95 x 3.95 x 1.5mm 4.95mm 3.95mm 1.5mm 5.5 V +85 °C
RS-stocknr. 178-4287
FabrikantnummerFUSB303TMX
FabrikantON Semiconductor
€ 0,169
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. 165-8557
FabrikantnummerAP2145SG-13
FabrikantDiodesZetex
€ 0,37
Each (On a Reel of 2500)
Aantal stuks
Low Side 2 140mΩ 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. 921-0411
FabrikantnummerAP2171DM8G-13
FabrikantDiodesZetex
€ 0,10
Each (In a Pack of 30)
Aantal stuks
High Side 2 115mΩ Internally Limited Surface Mount MSOP 8 1.9A 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V +85 °C
RS-stocknr. 170-8980
FabrikantnummerAP2553AFDC-7
FabrikantDiodesZetex
€ 0,151
Each (On a Reel of 3000)
Aantal stuks
High Side 1 150mΩ 833 mW Surface Mount U-DFN2020 6 2542mA 2.075 x 2.075 x 0.58mm 2.08mm 2.075mm 0.58mm 5.5 V +85 °C
RS-stocknr. 163-0710
FabrikantnummerNCP383LMUAJAATXG
FabrikantON Semiconductor
€ 0,364
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. 177-0325
FabrikantnummerMIC2075-2YM
FabrikantMicrochip
€ 0,373
Each (In a Tube of 95)
Aantal stuks
USB High Side Power 1 160mΩ - Surface Mount SOIC 8 0.85A 4.93 x 3.94 x 1.48mm 4.93mm 3.94mm 1.48mm 5.5 V +85 °C
RS-stocknr. 169-7367
FabrikantnummerAP2191WG-7
FabrikantDiodesZetex
€ 0,384
Each (On a Reel of 3000)
Aantal stuks
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-stocknr. 921-0473
FabrikantnummerAP2501M8-13
FabrikantDiodesZetex
€ 0,289
Each (In a Pack of 30)
Aantal stuks
Low Side 2 135mΩ Internally Limited Surface Mount MSOP 8 4.6A 3.1 x 3.1 x 0.8mm 3.1mm 3.1mm 0.8mm 5.5 V +85 °C
RS-stocknr. 885-5410
FabrikantnummerAP2553AFDC-7
FabrikantDiodesZetex
€ 0,329
Each (In a Pack of 10)
Aantal stuks
High Side 1 150mΩ 833 mW Surface Mount U-DFN2020 6 2542mA 2.075 x 2.075 x 0.58mm 2.08mm 2.075mm 0.58mm 5.5 V +85 °C
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