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MM3635 Datasheet(PDF) 4 Page - Mitsumi Electronics, Corp.

Part No. MM3635
Description  Lithium-ion battery charge control IC
Download  25 Pages
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Maker  MITSUMI [Mitsumi Electronics, Corp.]
Homepage  https://www.mitsumi.co.jp/index_e.html
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MM3635 Datasheet(HTML) 4 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 battery charge control IC MM3635
Pin Description
Pin No.
Symbol
Function
1
VCC
Power supply, charge Tr input pin. Connect to an AC adaptor.
2
Rosc
Oscillation frequency setting resistance connection pin
fosc=0.912V/(1.425E-10×Rosc)
Estimation : The fosc value for each Rosc value is specified on the Characteristics page.
3
LED
LED connect pin (Nch open drain output) Turn on during charging.
4
GND
Ground pin
5
VDD
Battery temperature detecting reference voltage pin
It is not recommended to be used other than as battery temperature
detecting reference voltage (resistance connection) since it is also used for
internal charge current reference voltage.
6
TH
Battery temperature detection input pin. Connect to a thermistor.
7
CVSEL
A change pin of the charge constant voltage.
L or Open : CV=4.05V, H : CV=4.20V
8
RICHG
Charge current setting resistance connection pin
ICHG=674 ×VDD pin voltage/RICHG
Estimation: The Charge Current value for each RICHG value is specified on the
Characteristics page.
9
VSENSE
Battery voltage detection, constant voltage charge control pin
Connect to the positive side of a battery pack.
10
BAT
Charge Tr output pin
Connect to the positive side of a battery pack.
Item
Symbol
Ratings
Units
Operating temperature
TOPR
0~+45
°C
VCC Operating voltage
Vop
4.5~5.5
V
Item
Symbol
Ratings
Units
Storage temperature
TSTG
−55~+150
°C
Operating temperature
TOPR
−40~+85
°C
Pin voltage
Vin
−0.3~+6.0
V
BAT pin output current
IBAT
700
mA
LED pin sink current
ILED
20
mA
Power dissipation
Pd
1.94 ( 1)
W
note : 1 When mounted on a 40
40
1.6tmm (epoxy glass, double-sided, copper layer 90%) PC board.
Absolute Maximum Ratings
Recommended Operating Conditions


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