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MM3324 Datasheet(PDF) 11 Page - Mitsumi Electronics, Corp.

Part No. MM3324
Description  Lithium-Ion Secondary Battery Charge Control IC for AC Charger
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Manufacturer  MITSUMI [Mitsumi Electronics, Corp.]
Direct Link  https://www.mitsumi.co.jp/index_e.html
Logo MITSUMI - Mitsumi Electronics, Corp.

MM3324 Datasheet(HTML) 11 Page - Mitsumi Electronics, Corp.

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• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Lithium-Ion Secondary Battery Charge Control IC for AC Charger MM3324
LED display
Charge stop
LED display:
Red blinking
2.34s cycle
Charge flow START
First time voltage
detection delay
146ms
Battery temperature check
0~40ºC
No
Input power supply
(2.45
VDD)
Always judgment START
Adapter OK ?
2.45V VDD 5.70V
Yes
No
Yes
Charge restart
Charge flow start again
Battery OK ?
No
Yes
Overvoltage OK ?
2.0V VBAT 4.35V
No
Yes
No LED lit up
Battery voltage check
4.20V VBAT 4.35V
Yes
First time charge
Fast charge current
x1/10mA 149.5s
No
Battery voltage check
2.0V VBAT 4.20V
No
Yes
No
Battery voltage check
VBAT 2.9V
Battery voltage check
2.9V VBAT
Pre-charge mode
20min Timer
START
20min Timer
TIME OUT
No
No
Yes
Yes
Yes
Yes
Fast charge CCmode
5h Timer
START
5h Timer
TIME OUT
Yes
Yes
No
No
Battery voltage check
CV VBAT
Fast charge CVmode
5h Timer
TIME OUT
Yes
No
No
Yes
Full charge check
VPROG 0.2V
FINISH charging
Battery voltage check
VBAT
3.9V
Yes
No
Re-charge
No LED lit up
Red lit up
Charge stop
LED display :
NO LED lit up
Charge stop
LED display :
Red blinking
2.34s cycle
Judged NoBattery
Timer clear
Yes
No
No
Battery temperature
OK ?
T -30ºC or 80ºC T
Battery temperature
OK ? 0~60ºC
In 4.20V VBAT,
it changes to the
next flow.
As a result of the always judgment , LED is
controlled by "Always judgment flow" at "
Charge stop " or "Abnormal charge prohibition ".
It follows the LED control of the charge flow
excluding this .
When the value is normal ,
charging is restarted .
The return permission
temperature from the
state of the charge stop
becomes 5~55ºC.
2.0V−Check
is invalid
before First
time charge.
0~10ºC
10~45ºC
45~60ºC
CC=IFSTCHG1
CV=4.200V
CC=IFSTCHG2
CV=4.200V
CC=IFSTCHG2
CV=4.050V
*All typ. numeric value
Backflow detection when
being charging battery
Abnormal charge prohibition
* When charging is prohibited, disconnect the power supply or remove the battery to start again .
LED display : Red blinking 1.17s cycle
Charge Current at CC -mode
Charge Voltage at CV-mode
0ºC
10ºC
45ºC
60ºC
CC=IFSTCHG2
CC=IFSTCHG1
CV=4.050V
CV=4.200V
Flow Chart


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