MITSUMI
3 to 5cells Li-ion/Li-polymer battery protection IC MM3575 Series
3 to 5cells Li-ion/Li-polymer battery protection IC
MM3575 Series
Outline
The MM3575 series are protection IC using high voltage CMOS process for overcharge, overdischarge
and overcurrent protection of the rechargeable Lithium-ion or Lithium-polymer battery. The overcharge,
overdischarge, discharging overcurrent, charging overcurrent, cell balance and V5 to V3 pin disconnect
of the rechargeable 3 to 5cell Lithium-ion or Lithium-polymer battery can be detected. By using cascade
connection, it is also possible to protect 6 or more cells rechargeable Lithium-ion battery. And the regulator
can be constructed by using external Nch MOS FET. The internal circuit of IC is composed by the voltage
detector, the reference voltage source, delay time control circuit, and the logical circuit, etc.
(Unless otherwise specified, Topr=+25°C)
Features
(1) Range and accuracy of detection/release voltage
Overcharge detection voltage
3.6V to 4.5V, 5mV steps
3.4V to 4.5V, 5ꢀmV steps
±.ꢀV to 3.ꢀV, 5ꢀmV steps
±.ꢀV to 3.ꢀV, 5ꢀmV steps
Accuracy±±5mV (Topr=±ꢀ to ꢁ5ꢀ0C)
Accuracy±5ꢀmV
Overcharge release voltage
Overdischarge detection voltage
Overdischarge release voltage (Note4)
Accuracy±ꢂꢀmV
Accuracy±1ꢀꢀmV
Discharging overcurrent detection voltage 1 3ꢀmV to 3ꢀꢀmV, 5mV steps
Discharging overcurrent detection voltage ± Twice or 4 times of
discharging overcurrent 1 (Note1)
Accuracy±15mV (typ 5ꢀmVꢃ)
Accuracy±15ꢄ
Short detection voltage
4 or ꢂ times of
Accuracy±1ꢀꢀmV
discharging overcurrent 1 (Note1)
−3ꢀꢀmV to −±ꢀmV, 5mV steps
3.6V to 4.5V, 5mV steps
Charging overcurrent detect voltage
Cell balance detection voltage
Accuracy±1ꢀmV
Accuracy±3ꢀmV (Topr=±ꢀ to ꢁ5ꢀ0C)
(±) Range of detection delay time
Overcharge detection delay time
Overcharge release delay time
Selection from ꢀ.±5s, 1.ꢀs, 1.±s, 4.1s
Accuracy±±5ꢄ
Selection from 1ꢀms, ±4ms, 4ꢂms, 1ꢀꢀms
Selection from ꢀ.±5s, 1.ꢀs, 1.±s, 4.1s
Selection from 4ms, ꢂms, 1±ms, ±4ms
Accuracy±±5ꢄ
Accuracy±±5ꢄ
Accuracy±±5ꢄ
Accuracy±3ꢀꢄ
Accuracy±3ꢀꢄ
Accuracy±5ꢀꢄ
Accuracy±3ꢀꢄ
Accuracy±3ꢀꢄ
Accuracy±3ꢀꢄ
Accuracy±±5ꢄ
Accuracy±±5ꢄ
Accuracy±±5ꢄ
Accuracy±±5ꢄ
Overdischarge detection delay time
Overdischarge release delay time
Discharging overcurrent detection delay time1 Setting by a capacitor of COC pin. (Note±)
Discharging overcurrent detection delay time± Setting by a capacitor of COC pin. (Note±)
Short detection delay time
Selection from 1ꢀꢀµs, ±ꢀꢀµs, 3ꢀꢀµs
Setting by a capacitor of COC pin. (Note±)
Setting by a capacitor of COC pin. (Note±)
Setting by a capacitor of COC pin. (Note±)
Selection from ±5ms, 5ꢀms, 1ꢀꢀms
Selection from 1ꢀ±4ms, ±ꢀ4ꢂms, 4ꢀ96ms
Selection from ꢀ.1s, ꢀ.±5s, ꢀ.5s (Note3)
Selection from 4ms, ꢂms, 1±ms
Discharging overcurrent release delay time
Charging overcurrent detection delay time
Charging overcurrent release delay time
Disconnect detection delay time
Disconnect release delay time
Cell balance detection delay time
Cell balance release delay time
Note1 : Optional function
Note± : Since the capacity is the same, each delay times will change when a value is changed without short
detection delay time.
Note3 : Cannot do shorter than disconnect detection delay time.
Note4 : The discharge state release method can choose a voltage release and a load open.
• 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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