IP5389

V1.23

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Copyright © 2023, Injoinic Corp.

Apple.

Input QC2.0/QC3.0/ QC3+ protocol is not supported for charging the power bank. External fast

charging protocol IC is not supported.

Input fast charging protocol FCP, AFC are supported for charging the power bank. Since FCP and

AFC perform fast charging requests through DP/DM, when other fast charging protocol ICs are added,

FCP and AFC fast charging can no longer be supported.

When the mobile power bank charges the mobile phone, it will automatically detect the fast charging

sequence on the DP and DM pins after entering the discharge mode, and intelligently identify the type of

mobile phone，which support QC2.0/QC3.0/QC3+, FCP, AFC, SCP, VOOC protocol, Apple 2.4A mode,

BC1.2 ordinary 1A mode.

For Apple 2.4A mode: DP=DM=2.7V.

For BC1.2 1.0A mode: DP short to DM.

In the BC1.2 mode, when the DP voltage is detected to be greater than 0.325V and less than 2V for

1.25s, the initial judgment is that there is a fast charging request. At this time, the short circuit between

DP and DM will be disconnected, and DM will be pulled down to ground by a 20k resistor. If it is satisfied

that the DP voltage is greater than 0.325V and less than 2V, and the DM voltage is less than 0.325V for

2ms, the fast charging connection is considered successful. After that, the requested voltage can be

output according to the requirements of QC2.0/QC3.0/QC3+. As long as the DP voltage is less than

0.325V, the fast charge mode is forced to exit, and the output voltage immediately returns to the default

5V.

DP

DM

Result

0.6V

GND

5V

3.3V

0.6V

9V

0.6V

0.6V

12V

0.6V

3.3V

Continuous Mode

3.3V

3.3V

hold

Table 11

QC2.0/QC3.0 rules for requesting output voltage

Continuous Mode is the unique working mode of QC3.0/QC3+. In this mode, the output voltage can

be adjusted in a 0.2V step according to the QC3.0 protocol requirements, or it can be adjusted in a

20mV step after the QC3+ handshake is successful.

The fast charging protocol supported by each port of IP5389:

Protocols

VOUT1

output

VOUT2

output

Micro USB

input

TYPEC

output

TYPEC input

QC2.0

√

√

-

√

-

QC3.0

√

√

-

√

-

QC3+

√

√

-

√

-

AFC

√

√

√

√

√

FCP

√

√

√

√

√

SCP

√

√

√

√

√

VOOC

√

√

√

-

√