• 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 2 cells lithium-ion/lithium-polymer battery protection IC
2 cells lithium-ion/lithium-polymer battery protection IC
MM3220 Series
Outline
MM3220 series are protection IC using high voltage CMOS process for overcharge, overdischarge and
overcurrent protection of the rechargeable lithium-ion or lithium-polymer secondary battery.
The overcharge, overdischarge and discharging overcurrent protection of the rechargeable 2 serial cells
lithium-ion or lithium-polymer secondary battery can be detected.
In addition, the IC has a built-in timer circuit (for each detection delay time), so that the protection circuitry
can be comprised with fewer external components.
Features (Unless otherwise specifi ed, Topr=+25°C)
*1 Optional function
*2 When the discharging overcurrent detection voltage 2 function having
(1) Range and accuracy of detection / release voltage
Overcharge detection voltage 4.0V to 4.5V, 5mV steps Accuracy±20mV
Accuracy±25mV (Topr=−5 to +60°C)
Overcharge release voltage 3.9V to 4.5V, 50mV steps Accuracy±30mV
Overdischarge detection voltage 2.0V to 3.0V, 50mV steps Accuracy±35mV
Overdischarge release voltage 2.0V to 3.5V, 50mV steps Accuracy±100mV
Discharging overcurrent detection voltage 1 +50mV to +300mV, 5mV steps Accuracy±10mV
Discharging overcurrent detection voltage 2 *1 +50mV to +700mV, 50mV steps Accuracy TYP±20%
Charging overcurrent detection voltage *1 −50mV to −300mV, 5mV steps Accuracy±20mV
Short detection voltage 0.9V fixed Accuracy±100mV
Accuracy±300mV *2
(2) Range of detection delay time
Overcharge detection delay time Selection from 0.25s, 1.0s, 1.2s, 4.5s
Overdischarge detection delay time Selection from 20ms, 24ms, 96ms, 125ms, 144ms
Discharging overcurrent detection delay time 1 Selection from 8ms, 12ms, 16ms, 20ms, 48ms
Discharging overcurrent detection delay time 2 Selection from 0.5ms, 1ms , 1.5ms , 2ms , 4ms
Charging overcurrent detection delay time Selection from 4ms, 6ms, 8ms, 16ms
Short detection delay time 400µs fi xed
(3) Low current consumption
Normal mode Typ. 4.0µA, Max. 8.0µA
Stand-by mode Max. 0.1µA
(4) Absolute maximum ratings
VDD pin VSS−0.3V to +12V
COUT pin and V− pin VDD−28V to VDD+0.3V
DOUT pin VSS−0.3V to VDD+0.3V
Storage temperature −55 to +125°C
Operation temperature −40 to +85°C
• 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 2 cells lithium-ion/lithium-polymer battery protection IC
Please inquire to us, if you request a rank other than the above.
Selection Guide (3000pcs/Reel)
Top view Pin No. Function
SOT-26A
13
65
2
4
VDDVSS VBL
V-DOUT COUT
1Output of overdischarge detection
(Output type is CMOS)
2Output of overcharge detection
(Output type is CMOS)
3Input terminal connected to
charger negative voltage
4Input terminal of the low side cell
5Input terminal of the high side cell
(Supply terminal)
6VSS terminal (Connected to ground)
Pin Assignment
Product name Package
Detection / Release voltage
0V battery
charge
function
Delay time
combination
*1
Overcharge detection
voltage [V]
Overcharge release
voltage [V]
Overdischarge
detection voltage [V]
Overcurrent detection
voltage on
discharging 1 [V]
Overcurrent detection
voltage on
discharging 2 [V]
Charging Overcurrent
Detection voltage[V]
Short detection
voltage [V]
Vdet1H
Vdet1L
Vrel1H
Vrel1L
Vdet2H
Vdet2L Vdet3-1 Vdet3-2 Vdet4 Vshort
MM3220B01NRH SOT-26A 4.300 4.100 2.000 0.220 0.90 Permission
3
MM3220C01NRH SOT-26A 4.300 4.100 2.000 0.085 0.450 0.90 Permission
4
MM3220C02NRH SOT-26A 4.300 4.100 2.000 0.100 0.200 0.90 Permission
5
MM3220C03NRH SOT-26A 4.300 4.100 2.000 0.100 0.200 0.90 Permission
6
MM3220D01NRH SOT-26A 4.250 4.100 3.000 0.200 0.90 Permission
7
MM3220F01NRH SOT-26A 4.225 4.075 2.550 0.200 0.90 Permission
7
MM3220G01NRH SOT-26A 4.290 4.050 3.000 0.200 −0.200 1.10 Permission
2
MM3220H01NRH SOT-26A 4.225 4.075 3.000 0.200 −0.200 1.10 Permission
7
MM3220H02NRH SOT-26A 4.300 4.150 2.400 0.200 −0.200 1.10 Prohibition
7
MM3220H03NRH SOT-26A 4.250 4.100 3.200 0.200 −0.200 1.10 Permission
7
MM3220H04NRH SOT-26A 4.230 4.080 2.400 0.200 −0.200 1.10 Prohibition
7
MM3220H06NRH SOT-26A 4.230 4.080 2.865 0.200 −0.200 1.10 Prohibition
7
MM3220J01NRH SOT-26A 4.275 4.275 2.500 0.085 −0.060 0.30 Prohibition
8
MM3220K01NRH SOT-26A 4.300 4.100 2.000 0.125 0.300 −0.090 0.90 Permission
10
MM3220M01NRH SOT-26A 4.280 4.080 2.000 0.200 −0.100 1.00 Prohibition
2
MM3220N01NRH SOT-26A 4.250 4.100 2.500 0.150 0.90 Permission
7
MM3220Z01NRH SOT-26A 4.300 4.100 2.000 0.100 0.180 0.90 Permission
9
Delay time combination
12345678910
Overcharge detection delay time tVdet1 1.0s 1.0s 1.0s 0.9s 1.0s 1.0s 1.0s 1.0s 1.0s 1.0s
Overdischarge detection delay time
tVdet2 128ms 128ms 12ms 10.8ms 12ms 12ms 144ms 20ms 12ms 144ms
Overcurrent detection delay time on discharging 1
tVdet3-1
12ms 12ms 12ms 10.8ms 48ms 256ms 9ms 6ms 256ms 12ms
Overcurrent detection delay time on discharging 2
tVdet3-2
4ms 0.5ms 4ms 2.5ms 2.5ms 0.5ms
Short detection delay time tshort 400µs 300µs 400µs 400µs 400µs 400µs 300µs 400µs 400µs 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.
MITSUMI 2 cells lithium-ion/lithium-polymer battery protection IC
VDD
VBL
C2
0.1μF
VSS
V−
COUT
DOUT
C1
0.1μF
R3
2.2k
R1
330
Cell 1
Cell 2
Pack−
Pack+
C3
0.1μF
C4
0.1μF
R2
330
Application Circuit
R1 , C1 , R2 , C2 stabilize a supply voltage ripple. However, R1 is enlarged, the detection voltage shifts
by voltage when current consumption fl ows into R1. Please decide it after confi rming the characteristic.
Moreover, adjust the value of C1 , C2 to 0.01µF or more to do the stability operation, please.
R1 and R3 resistors are current limit resistance if a charger is connected reversibly or a high-voltage charger
that exceeds the absolute maximum rating is connected. R1 and R3 may cause a power consumption will
be over rating of power dissipation, therefore the `R1+R3` should be more than 1kΩ. Moreover, if R3 is too
enlarged, the charger connection release cannot be occasionally done after the overdischarge is detected, so
adjust the value of R3 to 10kΩ or less, please.
In the state of overdischarge, The current fl ows through overdischarge pull-up resistance built into between
VDD terminal and V- terminal when the charger is connected. As a result, current that fl ows into VDD terminal
increases. When current increases, the voltage is generated in R1. And hysteresis might be caused. Please
use it after confi rming the characteristic.
C3 and C4 capacitors have effect that the system stability about voltage ripple or imported noise. After
check characteristics, decide that these capacitors should be inserted or not, where should be inserted, and
capacitance value, please.
