MM3480 [MITSUMI]
2 cells lithium-ion/lithium-polymer battery Secondary protection IC;
| 型号： | MM3480 |
| 厂家： | 
MITSUMI ELECTRONICS, CORP. |
| 描述： | 2 cells lithium-ion/lithium-polymer battery Secondary protection IC |
| 文件： | 总2页 (文件大小：35K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MITSUMI
2 cells lithium-ion/lithium-polymer battery Secondary protection IC
2 cells lithium-ion/lithium-polymer battery Secondary protection IC
MM3480 Series
Outline
MM3480 series is a secondary protection IC for 2 serial cells lithium-ion / lithium-polymer rechargeable
secondary battery, which detects battery voltage by cell.
With a timer circuit built-in, it is possible to set overcharge detection delay time.
(Unless otherwise specified, Topr=+25°C)
Features
(1) Range and accuracy of detection voltage
Overcharge detection voltage
4.0V to 4.5V, 5mV step
Accuracy 30mV
(2) Range of detection delay time
Overcharge detection delay time
1.2s to 10.0s
Selection from Rank
(3) Low current consumption
Typ. 2.5µA, Max. 5.0µA (Vcell=3.5V)
Typ. 0.1µA, Max. 0.15µA (Vcell=2.3V)
(4) Absolute maximum ratings
VDD pin
VSS−0.3V to +12V
VSS−0.3V to VDD+0.3V
OV pin
Storage temperature
Operation temperature
−55 to +125ºC
−40 to +110ºC
Pin Assignment
Top view
SOT-26A
Pin No.
Function
1
2
3
4
5
6
The input terminal of the positive voltage of VL cell and the negative voltage of VH cell.
The input terminal of the positive voltage of VH cell.
The input terminal of the power supply of IC.
N.C. VSS OV
6
5
4
Output of over charge detection. (Output type is open drain type of N-ch FET)
The input terminal of the ground of IC.
1
2
3
VL
VH VDD
Non connect
Top view
SSON-6A
Pin No.
Function
1
2
3
4
5
6
The input terminal of the power supply of IC.
The input terminal of the positive voltage of VH cell.
The input terminal of the positive voltage of VL cell, and the negative voltage of VH cell.
Non connect
OV VSS N.C.
6
5
4
1
2
3
VDD VH
VL
The input terminal of the ground of IC.
Output of over charge detection. (Output type is open drain type of N-ch FET)
• 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 Secondary protection IC
(3000pcs/Reel)
Selection Guide
Overcharge detection
Overcharge detection
dead time
voltage
[V]
Product name
Package
Function
Output type
[ms]
VCELLU
TOV
MM3480ANRE
MM3480ARRE
MM3480BRRE
MM3480CRRE
SOT-26A
SSON-6A
SSON-6A
SSON-6A
2 cells
2 cells
2 cells
2 cells
4.220 0.030
10 3
N-Ch FET
open drain
Active High
4.220 0.030
4.300 0.030
4.350 0.030
10 3
10 3
10 3
Please inquire to us, if you request a rank other than the above.
Application Circuit
Pack+
100k
VDD
1k
VH
0.1μF
1k
VL
0.1μF
N.C.
OV
VSS
Pack−
Please there must be a possibility of the malfunction when there is a potential difference
between VDD and VH, therefore between VDD and VH be short-circuited.
The constant of the mark is a standard.
• 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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