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June 30, 2020

QC3.0 Fast Charging Solution (Charger)

The battery capacity of smart phones is getting larger and larger. In addition to the power saving ability, charging speed has become a feature that users pay more and more attention to. Qualcomm's Quick Charge technology has become one of the industry's models. Following the Quick Charge 2.0 specification, the latest Quick Charge 3.0 technology (referred to as QC3.0), the average mobile phone only needs to charge about 35 minutes, the power is It can be increased from 0% to 80%; while traditional mobile devices that do not use Quick Charge technology may take about 1.5 hours.

QC 3.0 Charger

QC3.0 is backward compatible with the previous Quick Charge version, and can support the latest USB Type-C connector; it is more flexible in charging options, QC2.0 provides four voltage options of 5V / 9V / 12V / 20V QC3.0 provides flexible choices of different voltages in increments of 3.6V to 20V in increments of 200mV. This allows the phone to choose the most suitable voltage to achieve the ideal charging current, thereby minimizing power loss, improving charging efficiency and improving thermal performance.

The mobile power solution introduced this time uses 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 uses ONC's QC3. 0 Identification IC NCP4371, combined with MPS's power IC MP3428, provides 18W power QC3.0 fast charging output.

This mobile power solution can output two sets of power at the same time, 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 maximum output power of QC3.0 is 18W, the minimum output voltage range is 3.6V and the highest is 12V; the maximum output power of fixed 5V is 10W.

In addition to the use of general 5V adapters for mobile power input, the biggest feature is the support of QC3.0 adapter, so that the battery of the mobile Power Supply also has a fast charging function, the maximum charging current is as high as 4.5A, and can charge the mobile power supply up to 80% in half an hour Power.

Feature:

QC3.0 Charger

qc3.0 HVDCP controller: ON NCP4371
Feature:

QC3.0 Charger

QC3.0 Boost DC/DC converter 1 output: MPS mp3428
Boost DC/DC converter 2 5V/2A output: MPS mp3422
Microcontroller: 32bit Cortex M0, ST micro STM32F030f6
Battery protection IC: Diode ap9101c

LDO: ON ncp4586

QC3.0 Charger



Best regards,

Mandy Huang

Sale Manager

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