TUSB8020B: About Battery charging

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Part Number: TUSB8020B

Hi Team,

We understand that TUSB8020B can support Battery charging 1.2(BC1.2), Telecommunications Industry Standard YD/T1591-2009, Divider mode.

However, Our customer would like to use BC1.2 only so they would like to disable the other battery charging detection.

Can TUSB8020B realize their request?

We guess that TUSB8020B can’t detect BC1.2 only.

Is my understanding correct?

If no, could you please let us know if you have any idea?

Regards,

Kanemaru

over 8 years ago

0 JMMN over 8 years ago

TI__Guru 60870 points

Hello Kanemaru,

Please disable automode mode using I2C or OTP to enable BC 1.2 only charging mode.

Regards,

JMMN

0 Hide over 8 years ago in reply to JMMN

Guru 21045 points

Hi JMMN-san,

Thank you for your prompt reply.

I understand that TUSB8020B can support “BC1.2” and “Chinese Telecommunications Industry Standard YD/T 1591-2009” if Auto mode is disabled(autoModeEnz=”1”).

Therefore, this case, TUSB8020B can’t detect BC1.2 only.

Is my understanding correct?

Regards,

Kanemaru

0 JMMN over 8 years ago in reply to Hide

TI__Guru 60870 points

Hello Kanemaru,

Chinese Telecommunications Industry standard YD/T 1591-2009 has the same DP short to DM as USB Battery Charging 1.2 DCP mode, so if automode is disabled, the TUSB8020B will support BC 1.2 CDP / DCP modes and no other modes.

Regards,
JMMN

0 Hide over 8 years ago in reply to JMMN

Guru 21045 points

Hi JMMN-san,

Thank you for your response.

I understand. Thank you very much.

Regards,

Kanemaru

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TUSB8020B: About Battery charging