Apple is expected to introduce much faster charging in its trio of new iPhones, due to launch later this year, according to a research note by Jun Zhang of Rosenblatt Securities. The note, which was passed on to Apple Insider, says that Apple will upgrade its charging circuitry from 5V 2A to 9V 2A and 5V 3A, although it doesn't say if and how these will be split across the new iPhone models.

The iPhone 8 and iPhone 8 Plus already support fast charging if you use a USB-C to Lightning cable and Apple's (rather expensive) USB-C power adapter.

However Apple wants to increase charging speeds so the new iPhones can "support more applications, provide a quicker recharge and better compete with Android OEMs". The majority of Android flagships support fast charging already, being able to refill their batteries in around an hour, although it depends on the size of the battery and the charger being used. Oppo plans to introduce Super VOOC charging with its Find X smartphone, which claims to be able to recharge a 2,500mAh battery in just 15 minutes. 

Apple's upgraded charging circuitry will allegedly come from Power Integrations, which it intends to use as its sole supplier of charging components. Zhang adds in his research note that once Power Integrations fixes a quality issue, it will replace ON Semiconductor and NXP Semiconductors to be "the main provider for the charging solution for all new iPhone and iPads."

The research note goes on to say that Apple will also use Texas Instruments for the wireless charging technology in the more affordable LCD iPhone, replacing Broadcom. 

As for sales, Zhang predicts Apple will manufacture 100 million units and ship 85 million of them before the year ends. 

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