The battery capacity of smart phones is getting bigger and bigger. In addition to the power saving capability, the charging speed has become a feature that users are paying more and more attention to. Qualcomm's Quick Charge technology has become one of the best examples in the industry. Following the Quick Charge 2.0 specification, the latest Quick Charge 3.0 technology (QC3.0 for short), the average mobile phone only needs to charge for about 35 minutes. It can be increased from 0% to 80%; instead of a traditional mobile device using Quick Charge technology, it can take about 1.5 hours.
QC3.0 is backward compatible with previous versions of Quick Charge and supports the latest USB type-c connectors; it is more flexible in charging options, QC2.0 offers 5V / 9V / 12V / 20V four voltage options QC3.0 offers flexible selection of voltages in the range of 3.6V to 20V in increments of 200mV. This allows the phone to select the most suitable voltage to achieve the desired charging current, thereby minimizing power loss, improving charging efficiency and improving thermal performance.
The mobile power solution introduced by Youshang adopts QC3.0 fast charging technology in both directions. Built-in Qualcomm's own SMB1351 input charging IC, with QC3.0 adapter input for fast charging of mobile power; output adopts ON Semiconductor (ON) The QC3.0 identifies the IC NCP4371, which combines the MPS power IC MP3428 to provide a QC3.0 fast charge output of 18W.
[program function]
The mobile power solution can simultaneously output two sets of power supplies, one set is QC3.0 output, and the other set is fixed 5V output, which can charge two mobile phones at the same time. The QC3.0 output has a maximum power of 18W, a minimum output voltage range of 3.6V, and a maximum of 12V. The fixed 5V output has a maximum power of 10W.
In addition to the general 5V adapter for mobile power input, the biggest feature is to support QC3.0 adapter, so that the mobile power battery itself also has a fast charge function, the maximum charging current is up to 4.5A, and the mobile power can be charged up to 80% in half an hour. Electricity.
The MCU built-in program includes charge and discharge lamp display, power display and related protection functions.
[Special features] (including the advantages and features of the program)
Micro USB input: QC3.0, 3.6V~12V@18W
USB Type A output 1: QC3.0, 3.6V~12V@18W
USB Type A output 2: 5V@2A
4 TImes faster than convenTIonal charging
30 minutes to 80% full capacity
Charge IC: Programmable single cell Li-Ion battery charger: Qualcomm SMB1351, feature:
QC3.0 HVDCP Controller: ON NCP4371, feature:
Boost DC/DC Converter 1 for QC3.0 Output: MPS MP3428
Boost DC/DC Converter 2 for 5V/2A Output: MPS MP3422
MCU:, 32bit Cortex M0, ST micro STM32F030F6
Battery protecTIon IC: Diodes AP9101C
LDO: ON NCP4586
[Shower photo]
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