Yuan Sheng Da teach you how to judge the quality of mobile power chip?

Under normal circumstances, consumers can only judge by appearance, brand, functional parameters and so onMobile power chipIn fact, the mobile power chip is also a very important technology, it can play a role in protecting the mobile power supply, a good chip is a protective umbrella. So how should we judge the quality of the mobile power chip? followYuan ShengdaLet's take a look.

1, lithium battery charging circuit system, whetherDC/DCBoost circuit system and battery power display function system as one of the portable power managementIC.

2, whether integrated lithium battery chargingICThe full range of functions, including trickle charging, constant current charging and constant voltage charging the whole process of charging. In terms of performance, the floating charging voltage can reach1%Within, and has the advantages of small charging current ripple, high charging efficiency.DC/DCThe booster function isZAnother functional feature of the chip provides high precision output voltage accuracy that can be provided up to90%The boost conversion efficiency of

3, whether it is configured4aLEDDrive port, intelligent display of battery power. In the process of charging the battery and discharging the battery boost can be a good indicator of battery power.

4To see if it is equipped with a full range of reliability protection design, including load current limiting protection, while the chip port design is high performanceESDProtection circuit, so that the chip has a particularly good security and reliability.

5In the case of battery power, the static current after shutting down the system is lower than30uAIt greatly reduces the static power consumption and effectively prolongs the battery life. The current following compensation is carried out to the battery internal resistance in the process of charging and boosting, which effectively compensates for the large error of battery quantity sampling caused by the battery internal resistance, and makes the battery quantity displayed more accurate.

6When there is a power adapter, the on-chip system can automatically adjust the current of the supply load and the size of the charging current, giving priority to the supply load. Soft start function avoids high current pair switch when starting boostMOSThe impact of the tube effectively protects the peripheral devices.

7, battery power display and booster circuit can be flexibly controlled by manual switch. Press the manual switch to start the boost. If the power adapter fails, the system on chip can automatically start the boost system without pressing the manual switch. When the battery indicator lights up,8It will be automatically extinguished in about seconds. If you want to extinguish the power display lamp in advance, you can directly press the switch and the lamp will be extinguished immediately. In the boost state, long press the manual switch for two seconds, immediately shut down the boost system. Also providesSSOP24Encapsulation form.

In short, judge a chip is good or bad, mainly from the above mentioned every detail to protect the current, boost the form of current protection, intelligent control system to judge, a good chip can play a good effect, on the contrary, chip technology is not strong will lead to, such as: safety, power loss, hope consumers carefully.

Yuan ShengdaFrom the establishment of the company never forget the initial "core", committed to become a one-stop chip supply chain service provider, Engaged in chip sales for more than ten years, promote product sales in various fields of platform, Yuanshengda has always been adhering to the "victory is not arrogant, defeat is not hungry" "customer first" business philosophy, adhere to the integrity of management, mindful service, focus on providing intimate and high-quality intelligent chip application development services for the majority of users. Welcome to inquire, you can also consult online/Leave a message and communicate directly with customer service.