Datasheet > MM3638DA1YRE

MM3638DA1YRE

更新时间： 2022-05-14 22:09:15

品牌	Logo	应用领域
三美电机 - MITSUMI		/
页数	文件大小	规格书
4页	50K
描述
One-cell li-ion/li-polymer battery protection IC

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MM3638DA1YRE 数据手册

MITSUMI

One-cell li-ion/li-polymer battery protection IC

MM3638 Series

Outline

MM3638 series are protection IC for lithium-ion and lithium-polymer battery. MM3638 protects the battery

pack from overcharge, overdischarge, and overcurrent, etc. by controlling FET SW. In the One-cell battery

pack, on resistance of the FET SW has been used for overcurrent detection. MM3638 realize overcurrent

protection with high accuracy and with no temperature dependence by using a chip resistor.

(Unless otherwise speciﬁed, Topr=+25°C)

Features

(1) Range and accuracy of detection / release voltage

Overcharge detection voltage

3.6V to 5.0V, 5mV steps

Accuracy±±0mV

Accuracy±±5mV (Topr=−±0 to +60°C)

Accuracy±35mV

Overdischarge detection voltage

±.0V to 3.0V, 50mV steps

±0mV to 65mV, 1mV steps

65mV to 300mV, 5mV steps

−65mV to −±0mV, 1mV steps

−300mV to −65mV, 5mV steps

0.45V/0.6V

Discharging overcurrent detection voltage

Accuracy±15ꢀ

Accuracy±10mV

Charging overcurrent detection voltage

Short detection voltage

Accuracy±15ꢀ

Accuracy±10mV

Accuracy±150mV

Accuracy±300mV

0.9V

(±) Release condition from each protection mode

Overcharge release condition

Charger open release

"VDD < Overcharge release voltage" and "Connecting load (V− > 0.4V)"

Voltage release

When charger is connected (V− < 0.±V) :

"VDD < Overcharge release voltage"

When charger is opened (V− > 0.4V) :

"VDD < Overcharge detection voltage"

Charger connected release

Overdischarge release condition

"VDD > Overdischarge release voltage" and "Connecting charger

(V− < 0.±V)"

Voltage release

When charger is connected (V− < 0.±V) :

"VDD > Overdischarge release voltage"

When charger is opened (V− > 0.4V) :

"VDD > Overdischarge detection voltage"

"Removing load (V− < 0.±V)"

Discharging overcurrent release condition

Charging overcurrent release condition

"Connecting load (V− > 0.4V)"

(3) Range of detection delay time

Overcharge detection delay time

Overdischarge detection delay time

Selection from 0.±5s, 0.5s, 1.0s

Selection from ±0ms, ±4ms, 96ms, 1±5ms

Discharging overcurrent detection delay time Selection from 8ms, 1±ms, 16ms, ±0ms, 48ms

Charging overcurrent detection delay time

Short detection delay time

Selection from 8ms, 1±ms, 16ms, ±0ms, 48ms

Selection from ±50µs, 400µs

• 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.

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