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MP5216 Sample Application
General Description

MP5216 is a power bank solution device which is highly integrated with switch charger, LEDdisplay cell and synchronous boost output. 
The MP5216 has two operating modes, charge mode and boost mode, to manage the system and battery power based on the state of the input.
When input power is present, the MP5216 operates in charge mode. It automatically detects the battery voltage and charges the battery in the three phases: trickle current mode, constant current mode and constant voltage mode.
Boost will be enabled by pressing the KEY or insertion a load at standby mode when the battery voltage is higher than 3.2V. 

Features

Charge current could be regulated by the temperature, this realize the maximum charge rate, without overheat risk

C/10 charge terminated and recharge automatically

Terminated charge voltage:4.20V,the accuracy is ±1%

Regulate the charge current refer to the adapter’s ability automatically

Boost output 5.1V with High efficiency up to 94%@2A

Frequency for boost:1MHz

Output current up to 2.1A

Detect the load automatically and auto shunt down at no load condition

Original temperature management technology for boost

Over-current protection (OCP), over voltage protection (OVP), overtemperature protection (OTP) and short circuit protection ( SCP ) are integrated for boost

4 LEDs display to indicate the battery fuel gauge

Single key for battery fuel gauge display; Double key for torch; long key to shut down

Typical Application Circuit Diagram
Applications

Sub-Battery Applications

Power-Bank Applications for Smart-Phone Tablet and Other Portable Devices