New MOSFET increases the efficiency of smartphone and tablet battery charging.
— Toshiba Electronics Europe (TEE) has launched a new low-resistance dual N-channel MOSFET for power management applications in mobile devices. The SSM6N58NU MOSFET meets the needs of high current as well as wireless charging circuits used in smartphones, tablets and laptops.
As the battery capacity of mobile devices increases, there is a need for devices that support increased charging currents and frequencies to keep charging times to a minimum. The SSM6N58NU meets these needs with a maximum DC drain current (ID) of 4A and maximum pulsed drain current (IDP) of 10A. Furthermore, because the gate charge and capacitance of the MOSFET is significantly reduced, fast switching is supported.
The N-channel MOSFET ensures efficiency and switching speeds through a design that minimizes ON resistance (RDS(ON)) and input capacitance (CISS). Input capacitance is as low as 129pF, while RDS(ON) measures 67m? at VGS=4.5V. This enables low loss and high speed operation with a turn-on time (ton) of 26ns, and a turn-off time (toff) of 9ns. The low gate charge of Qg=1.8nC (@ ID=4A) significantly reduces the AC dissipation at 3MHz enabling usage in DC converter applications. Independent MOSFET configuration and high ESD protection levels of ?2kV also enables usage in battery protection circuits.
The SSM6N58NU is supplied in a UDFN6 surface mount that requires just 2mm by 2mm of board space with a body height of just 0.75mm. Due to the flat body of the structure, this package offers a power dissipation of 2W and can withstand channel temperatures up to 150°C.
Toshiba Electronics Europe (TEE) is the European electronic components business of Toshiba Corporation, which is ranked among the world’s largest semiconductor vendors. TEE offers one of the industry's broadest IC and discrete product lines including high-end memory, microcontrollers, ASICs, ASSPs and display products for automotive, multimedia, industrial, telecoms and networking applications. The company also has a wide range of power semiconductor solutions as well as storage products like HDDs, SSDs, SD Cards and USB sticks.
TEE was formed in 1973 in Neuss, Germany, providing design, manufacturing, marketing and sales and now has headquarters in Düsseldorf, Germany, with branch offices in France, Italy, Spain, Sweden and the United Kingdom. TEE employs approximately 300 people in Europe. Company president is Mr. Takashi Nagasawa.
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Name: Andrew Town / Matt Wilkinson
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Release ID: 32256