Medical USB wall mount adapters for use in home healthcare

11th September 2018
Source: TRUMPower
Posted By : Alex Lynn
Medical USB wall mount adapters for use in home healthcare

The new TMW7 USB series from TRUMPower, is compliant with IEC 60601-1-11 second edition standards for use in home healthcare applications. The TMW7 switching power adapters feature 90-264VAC, 47-63Hz universal input in fixed or interchangeable AC plug configurations.

The fixed AC plug version meets IP22 rating. Structured with Class II insulation, there are four different types of wall plugs to meet worldwide requirements: US, EU, UK, and Australian. The units also have a low touch current of 10µA at 264 VAC/60 Hz. It comes with a USB type A receptacle on the case or moulded output cable with mini or micro USB type A or B plug.

The wall mount adapters are fully protected against overvoltage, over-current, and short-circuit conditions. The units can withstand 4000VAC from input to output with two MOPP. With a typical efficiency of 75% and 0.3W maximum no load power consumption, they are compliant with CEC level V and ErP step two.

The adapters can operate at an ambient temperature range of -10 to +60°C. Derating is required from 100% at +40°C linearly to 50% at +60°C. It has an MTBF of 300KHrs minimum at full load, 25°C ambient, calculated per Telecordia SR-332. 

The TMW7 series is approved by UL, cUL and TUV to the latest medical standards, including IEC/EN/UL 60601-1 Edition 3.1, ANSI/AAMI ES 60601-1: 2012, CSA C22.2 No. 60601-1: 2014. The power adapter complies with IEC/EN 60601-1-2 fourth edition medical EMC and immunity standards including EN 55011/CISPR 11/FCC class B (conducted and radiated emissions), EN 61000-3-2, EN 61000-3-3, EN 61000-4-2 (ESD at ±15kV air and ±8kV contact), EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-8, EN 61000-4-11.

Additionally, the fixed AC plug version is certified to IEC 60601-1-11 second edition for use in home healthcare environments.

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