M12218/9 peak efficiency power bank 3C - ChangZhou Sun-Rise Electronic Co.,Ltd.

Power bank products will begin to implement new CCC certification measures, accompanied by higher efficiency and higher temperature requirements, which makes the current mobile power chip solutions unable to meet the high requirements of the 3C era. In order to solve such problems, MERCHIP launched a series of high-efficiency mobile power chips, and the true 22.5W M12218 and M12219 chips came into being.

 

M12218 and M12219 are dedicated SOCs for real 22.5W mobile power applications, integrating synchronous switch buck-boost converters, battery charge and discharge management modules, display modules, power calculation modules, and support UFCS (optional), PD3.0 , QC3.0, AFC, FCP, SCP, BC1.2, DCP and other mainstream fast charging protocols, and provide input/output overvoltage/undervoltage, battery overvoltage, overcharge/overdischarge, NTC overtemperature, discharge overvoltage Complete protection functions such as current flow and output short circuit protection.

 

With the minimalist peripheral circuit, it can form a 22.5W multi-port mobile power supply that supports LED lights or LED screens.

 

M12218 is an LED light display chip, M12219 is an LED screen chip, and other performances are similar. This article will introduce the system around the M12219 chip.

 

 

 

 

 

Four highlights of the M12219

 

1、Ultra-high efficiency and ultra-low temperature

 

Under the most severe test conditions of 3.1V to 10V 2.25A, the efficiency is still as high as more than 90%, more than 7% higher than friends; The temperature is 72 degrees lower than you Shang; The whole load does not reduce the power, the power is not false; Easily passed 3C certification; It is an excellent choice for magnetic charging bank.

 

 2、support its own three-line function

 

Support the cable function of CBL, each USB port and each cable support fast charging, C line support two-way fast charging, solve the current multi-wire charging bank C port can not two-way fast charging and other functional defects.

 

3、support headset small current charging mode

 

4、can be quickly customized according to customer needs, small size, strong performance, high integration, excellent cost performance

 

 

 

MERCHIP's water core Electronic M12219 is extremely efficient at its peak. As can be seen from the load current-conversion efficiency curve, the maximum efficiency of M12219 can reach 94.74%, which is about 7% higher than the peak value of Youshang chip.

 

In terms of temperature, the two products are tested in 3.3V battery, 10V/2.25A load and open environment at the same time. The results show that the temperature of M12219 is only 55.3℃, which is much lower than 127.4℃ of You. At the same time, the power can not be sustained full load output, reducing the power.

 

It can be seen that even under the most severe working conditions, the water core electronic M12219 can still be fully loaded for a long time without reducing power and has excellent temperature characteristics, which can easily cope with the 3C test.