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MP2667GG Arkusz danych(PDF) 21 Page - Monolithic Power Systems

Numer części MP2667GG
Szczegółowy opis  5V USB, 1000mA, I 2C-Controlled Linear Charger with Power Path Management for Single-Cell, Li-Ion Battery in QFN Package
PDF  35 Pages
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Producent  MPS [Monolithic Power Systems]
Strona internetowa  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2667GG Arkusz danych(HTML) 21 Page - Monolithic Power Systems

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MP2667
– 1A, SINGLE-CELL CHARGER W/ I2C CONTROL, POWER PATH
MP2667 Rev. 1.0
www.MonolithicPower.com
21
5/8/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
stock
mode,
or
to
system
reset
mode,
depending on the application (see Table 3).
1. Shipping Mode:
Entering shipping mode: The register bit
FET_DIS (REG06 bit[5]), makes the IC
enter
shipping
mode.
During
normal
operation, the battery FET is turned on (the
bit is 0). If this bit is set to 1 through the I2C,
the battery FET is turned off, and the
MP2667 enters shipping mode.
The FET_DIS bit is reset to 0 automatically
after the battery FET is turned off.
Exiting shipping mode: The IC can exit
shipping mode by pulling INT down for a
very short time (>500ms).
2. Reset Mode:
The IC can use INT to cut off the path from
the
battery
to
the
system
under
the
condition
needed
to
reset
the
system
manually.
If the battery FET is on, once the logic at
INT is set to low for more than 8s, the
battery is disconnected from the system by
turning off the battery FET. The battery can
be connected in and out of the system by
controlling INT (see Figure 7).
8s
0.5s
INT
BATFET Gate
Shipping
Mode
Figure 7: Disconnection Function Operation
Profile
Table 3: Battery Disconnection Control
FET On/Off
Change by
Control
INT Pin
H to L for 8s
H to L for
500ms
Reset Mode
Exit Shipping
Mode
LDO FET
x
x
Battery FET
(charging)
Off
On
Battery FET
(discharging)
Off
On



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