MM3783 [MITSUMI]
3 cell Lithium-ion/Lithium-polymer battery protection IC;
| 型号： | MM3783 |
| 厂家： | 
MITSUMI ELECTRONICS, CORP. |
| 描述： | 3 cell Lithium-ion/Lithium-polymer battery protection IC |
| 文件： | 总7页 (文件大小：73K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MITSUMI
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
3 cell Lithium-ion/Lithium-polymer battery protection IC
MM3783 Series
Outline
MM3783 series are an overcharge, overdischarge, overcurrent and temperature protection IC for a Lithium-
ion/Lithiumpolymer rechargeable battery. Lithium-ion/Lithium-polymer battery overcharge each cell, over
discharge, and discharge and charging overcurrent, short circuits can be detected.
The detection of the temperature is enabled by connecting resistance between thermistor, TH terminal -VSS
terminals between REG terminal -TH terminals.
Each of these IC composed of six voltage detectors, short detection circuit, reference voltage sources, delay
time generation circuit , logical circuits and regulator 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 3.5V, 5ꢀmV steps
3ꢀmV to 3ꢀꢀmV, 5mV steps
Accuracy±±5mV (Topr=±ꢀ to ꢁ5ꢀ0C)
Accuracy±5ꢀmV
Overcharge release voltage (Note1)
Overdischarge detection voltage
Overdischarge release voltage (Note±)
Discharge overcurrent detection voltage 1
Discharge overcurrent detection voltage ±
Short detection voltage
Accuracy±8ꢀmV
Accuracy±1ꢀꢀmV
Accuracy±15mV (Typ. 5ꢀmV~)
Twice or 4 times of discharging overcurrent 1 Accuracy±15ꢂ
4 or 8 times of discharging overcurrent 1
–3ꢀꢀmV to –±ꢀmV, 5mV steps
–±50C to 750C, 50C step 3
Accuracy±1ꢀꢀmV
Accuracy±1ꢀmV
Accuracy±30C
Charging overcurrent detect voltage
Temperature protection detection voltage (Note3)
(±) Each detection delay time set by the external capacitor
Overcharge detection delay time
Setting by capacitor of COV
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy Min.1ꢀꢀµs / Max.4ꢀꢀµs
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Accuracy±5ꢀꢂ
Overcharge release delay time
1/1ꢀ to 1ꢀtimes of tVDET1
Setting by capacitor of CUV
1/1ꢀ to 1ꢀtimes of tVDET±
Setting by capacitor of CDOC
1/1ꢀ to 1ꢀtimes of tVDET3-1
Typ. ±ꢀꢀµs fixed
Overdischarge detection delay time
Overdischarge release delay time
Discharging overcurrent detection delay time1
Discharging overcurrent detection delay time±
Short detection delay time
Discharging overcurrent release delay time
Charging overcurrent detection delay time
Charging overcurrent release delay time
Temperature protection detection delay time
Temperature protection release delay time
1/1ꢀ to 1ꢀtimes of tVDET3-1
Setting by capacitor of CCOC
1/1ꢀ to 1ꢀtimes of tVDET4
Setting by capacitor of CTH
1/1ꢀ to 1ꢀtimes of tVDET5
Note1 : Overcharge release function is selectable from 3 options (voltage decrease, charger remove, load connect).
Note± : Overdischarge release function is selectable from 3 options(voltage increase , charger remove, load connect).
Note3 : Temperature protection detection temperature accuracy is guaranteed by design.
Detection accuracy may change with the specification of the used NTC thermistor.
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
(3) Temperature protection function
Temperature protection thresholds can be setting 3 value (two thresholds of high temperature, one threshold of low
temperature) by using a NTC thermistor.
Example of temperature protection setting
C-FET
D-FET
OFF
OFF
ON
ON
OFF
OFF
Ta[degC]
–1ꢀ
5ꢀ
7ꢀ
High temp protection :
Lot temp protection :
Charge control
Detect : ꢁ5ꢀ0C ±30C, Release : ꢁ4ꢀ0C ±30C
Detect : ꢁ7ꢀ0C ±30C, Release : ꢁ6ꢀ0C ±30C
Discharge control
Charge/Discharge control
Detect : –1ꢀ0C ±30C, Release : ꢀ0C ±30C
Note4 : Detection and release temperature change according to the spec (R, B constant) of NTC.
(4) ꢀV battery charge function
(5) Low current consumption
Selection from "Permission" or " Inhibition"
Consumption current1 (VDD), Vcell=4.4V
Consumption current± (VDD), Vcell=3.5V
Consumption current3 (VDD), Vcell=1.8V
Typ. ±±.ꢀµA Max. 34.ꢀµA
Typ. ±ꢀ.ꢀµA Max. ±6.ꢀµA
Typ. 1.5µA, Max. 3.ꢀµA
(6) Input current
V± pin input current, Vcell=3.5V
V1 pin input current, Vcell=3.5V
Max. ±ꢀ.3µA
Max. ±ꢀ.3µA
(7) Absolute maximum ratings
VDD pin
VSS−ꢀ.3V to VSSꢁ±1V
−ꢀ.3V to ꢁ1ꢀV
Voltage between the input terminal
ꢀV pin, V– pin
VDD−3ꢀV to VDDꢁꢀ.3V
VSS−ꢀ.3V to VDDꢁꢀ.3V
VSS−ꢀ.3V to VDDꢁꢀ.3V
VSS−ꢀ.3V to VDDꢁꢀ.3V
VSS−ꢀ.3V to VDDꢁꢀ.3V
−550C to ꢁ1±50C
DCHG, CS, VSS_CS pin
REG, TH pin
COV, CUV pin
CDOC, CCOC, CTH pin
Storage temperature
(6) Charge and discharge FET control to temperature
Operation temperature
−3ꢀ0C to ꢁ8ꢀ0C
Supply voltage
VSSꢁ3.5V to ꢁ18.ꢀV
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
Pin Assignment
Top view
Pin No. Input / Output
Function
TSOP-16B
Charge control output pin. Output type is CMOS.
1
2
3
OUTPUT · Normal mode : ”High”
· Charge prohibited mode : ”Low”
Negative voltage of charger and load input pin.
Detected charger connection and load connection.
INPUT
Discharge control output pin. Output type is CMOS.
OUTPUT · Normal mode : ”High”
· Discharge prohibited mode : ”Low”
This pin is delay time setting of overcharge detection and
overcharge release. If a capacitor is connected between COV
pin and VSS pin, overcharge detection delay time setting
becomes possible.
4
5
6
7
8
INPUT
INPUT
INPUT
INPUT
INPUT
This pin is delay time setting of overdischarge detection and
overdischarge release. If a capacitor is connected between
CUV pin and VSS pin, overdischarge detection delay time
setting becomes possible.
This pin is delay time setting of discharging overcurrent
detection and discharging overcurrent release. If a capacitor
is connected between CDOC pin and VSS pin, discharging
overcurrent delay time setting becomes possible.
1
±
3
4
5
6
7
8
16
15 V±
OV
V–
VDD
This pin is delay time setting of charging overcurrent
detection and charging overcurrent release. If a capacitor
is connected between CCOC pin and VSS pin, charging
overcurrent delay time setting becomes possible.
14
13
1±
11
1ꢀ
9
DCHG
V1
VSS
VSS_CS
REG
TH
COV
CUV
CDOC
CCOC
CTH
CS
This pin is delay time setting of temperature detection and
temperature release. If a capacitor is connected between CTH
pin and VSS pin, temperature delay time setting becomes
possible.
Input of overcurrent detection. Detected overcurrent by sense
resistor between CS pin and VSS_CS pin. Detection of an
discharging overcurrent will output a Low level from a DCHG
pin. Detection of a charging overcurrent will output a Low level
from OV pin. It protects from high current by these control.
9
INPUT
INPUT
10
11
12
Temperature detection pin.
OUTPUT The regulator output pin for a thermo sense resistor drive.
INPUT
Common pin of overcurrent detection circuit.
The input pin of the negative voltage of V1 cell.
The input pin of the ground of IC.
13
14
15
16
INPUT
The input pin of the positive voltage of V1 cell, and the
negative voltage of V2 cell.
INPUT
INPUT
INPUT
The input pin of the positive voltage of V2 cell, and the
negative voltage of V3 cell.
The input pin of the power supply of IC, and the positive
voltage of V3 cell.
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
Selection Guide
Detection voltage / Release voltage
Product name
(MM3783***VBH)
VDET1
VREL1
VDET2
VREL2
VDET3-1
VDET3-2
VSHORT
VDET4
VVM1
VVM2
VVM3
VVM4
V
A01
A02
C01
C02
C06
C07
4.250
4.200
4.180
4.200
4.250
4.250
4.100
4.050
4.100
4.100
4.100
4.150
2.750
2.750
2.750
2.750
2.750
2.500
3.000
3.000
3.000
3.000
3.000
3.000
0.040
0.040
0.090
0.090
0.040
0.090
0.080
0.080
0.180
0.180
0.080
0.180
0.160
0.160
0.360
0.360
0.160
0.360
–0.020
–0.020
–0.020
–0.020
–0.020
–0.020
VDD×0.05
VDD×0.05
VDD×0.15
VDD×0.15
VDD×0.15
VDD×0.15
0.020
0.200
0.200
0.200
0.200
0.200
–0.020
–0.200
–0.300
–0.300
–0.300
–0.300
VDD×0.30
VDD×0.30
VDD×0.30
VDD×0.30
Temperature protection detection / release temperature/voltage
Product name
(MM3783***VBH)
TTHD1
TTHR1
TTHD2
TTHR2
TTHD3
TTHR3
VTHD1
VTHR1
VTHD2
VTHR2
VTHD3
VTHR3
VREG
V
°C
VREG × xxx V
A01
A02
C01
C02
C06
C07
–10
–10
0
0
0
50
50
55
55
60
60
40
40
45
45
50
50
70
70
65
75
75
75
60
60
55
65
60
60
0.151
0.151
0.233
0.151
NA
0.233
0.233
0.281
0.233
NA
0.736
0.736
0.771
0.771
0.802
0.802
0.653
0.653
0.697
0.697
0.736
0.736
0.852
0.852
0.828
0.872
0.872
0.872
0.802
0.802
0.771
0.828
0.802
0.802
2.000
2.000
2.000
2.000
2.000
2.000
5
–10
NA
–20
0
NA
–10
0.092
0.151
detection delay time / release delay time
Product name
(MM3783***VBH)
(at COV=0.1µF)
(at CUV=0.1µF)
(at CDOC=0.01µF)
(at CCOC=0.047µF)
(at CTH=0.1µF)
tVDET1
sec
1.0
tVREL1
msec
100
tVDET2
sec
1.0
tVREL2
msec
100
tVDET3-1
msec
100
tVDET3-2
msec
25.0
tVREL3
msec
100
100
100
100
10
tSHORT
µsec
200
tVDET4
msec
470
tVREL4
msec
47.0
tVDET5
sec
1.0
tVREL5
sec
0.1
A01
A02
C01
C02
C06
C07
1.0
100
1.0
100
100
25.0
200
470
47.0
1.0
0.1
1.0
100
1.0
100
100
10.0
200
470
47.0
1.0
0.1
1.0
100
1.0
100
100
10.0
200
470
47.0
1.0
0.1
1.0
100
1.0
100
100
10.0
200
470
94.0
1.0
0.1
1.0
100
1.0
100
100
10.0
10
200
470
94.0
1.0
0.1
Option function
Product name
(MM3783***VBH)
A01
A02
C01
C02
C06
C07
enable
enable
enable
enable
enable
enable
voltage
enable
voltage
voltage
load remove charger remove
load remove charger remove
temp
temp
temp
temp
temp
temp
Prohibition Not supported
Prohibition Not supported
Supported
Supported
voltage
voltage
voltage
voltage
voltage
enable
enable
enable
enable
enable
load remove load remove charger remove
load remove load remove charger remove
load remove load remove charger remove
load remove load remove charger remove
Prohibition
Prohibition
Prohibition
Prohibition
Supported
Supported
Supported
Supported
Not supported
Not supported
Not supported
Not supported
Please inquire to us, if you request a rank other than the above.
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
Application Circuit
(1) 3 cells protection circuit (Current pathway : Separate)
Pꢁ
SBD
FUSE
R3
1ꢀꢀ
1
±
3
4
5
6
OV
VDD 16
V± 15
C3
V3
V±
V−
R±
1k
1ꢀµF
DCHG
COV
CUV
CDOC
V1 14
C±
R1
1k
1µF
VSS 13
VSS_CS 1±
REG 11
TH 1ꢀ
COV
RV-
1.ꢀk
ꢀ.1µF
CUV
ꢀ.1µF
CDOC
ꢀ.ꢀ1µF
CCS
C1
ꢀ.ꢀ1µ
V1
RDC1 RDC±
1ꢀꢀ 1ꢀꢀ
1µF
RNTC
1ꢀꢀk
7
8
CCOC
CTH
CCOC
RTH
ꢀ.ꢀ47µF
ZD1
18V
1ꢀꢀk
CS
9
CTH
ZD3
18V
ZD4
18V
ZD5
18V
CTH
ꢀ.1µF
ꢀ.1µF
RCS1
1k
RCS±
1k
QOV1 QDG1
RSE
CHG-
P-
QDG±
C4
C5
ꢀ.1µF ꢀ.1µF
(2) 3 cells protection circuit (Current pathway : Common)
Pꢁ
SBD
FUSE
R3
1ꢀꢀ
1
±
3
4
5
6
OV
VDD 16
C3
V3
V±
V−
V± 15
V1 14
R±
1ꢀµF
1k
DCHG
COV
CUV
CDOC
C±
R1
1µF
VSS 13
COV
1k
RV-
ꢀ.1µF
1.ꢀk
VSS_CS 1±
REG 11
TH 1ꢀ
CUV
ꢀ.1µF
CDOC
ꢀ.ꢀ1µF
CCS
C1
ꢀ.ꢀ1µ
V1
ROV1 ROV± RDC1 RDC±
1µF
1ꢀꢀ
1ꢀꢀ
1ꢀꢀ
1ꢀꢀ
RNTC
1ꢀꢀk
7
8
CCOC
CTH
CCOC
RTH
ꢀ.ꢀ47µF
ZD1
18V
1ꢀꢀk
CS
9
CTH
ZD±
18V
ZD3
18V
ZD4
18V
ZD5
18V
CTH
ꢀ.1µF
ꢀ.1µF
RCS1
1k
RCS±
1k
QOV1 QDG1
QOV± QDG±
RSE
P-
C4
ꢀ.1µF
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
(3) Explanation of external parts : 3 cells protection circuit
Parts name
Roles of parts
R1, E2, R3
C1, C2, C3
RCS1, RCS2, RV-
CCS
CR low-pass filter to stabilize a supply ripple of VDD pin, V2 pin and V1 pin.
Resistor to protect terminal.
Capacitor to stabilize a supply ripple of CS pin.
C4
Capacitor to stabilize a supply ripple of drain of QDG1 and QDG2.
Capacitor to stabilize a supply ripple of source of QOV1.
Capacitor to sets overcharge detection/release delay time.
Capacitor to sets overdischarge detection/release delay time.
Capacitor to sets discharging overcurrent detection/release delay time.
Capacitor to sets charging overcurrent detection/release delay time.
Capacitor to sets temperature protection detection/release delay time.
Sense resistance to observe charging/discharging current.
C5
COV
CUV
CDOC
CCOC
CTH
RSENSE
ROV1, ROV2, RDC1, RDC2 Resistor for preventing the gate destruction due to parasitic oscillation.
RNTC
RTH
CTH
ZD1
NTC thermistor to observe to temperature.
The REG voltage is divided by NTC and RTH, and it's input to TH pin.
Capacitor to stabilize a supply ripple of TH pin.
Zener diode to prevent destruction of IC by surge voltage and motor back electromotive voltage.
ZD2, ZD3, ZD4, ZD5 Zener diode to prevent destruction the gate and source of charge/discharge control FET.
QOV1, QOV2
QDG1, QDG2
Nch MOS FET to control charging current.
Nch MOS FET to control discharging current.
When V- pin becomes more than it in VDD pin voltage, it is schottky barrier diode to
bypass the current so that an current does not flow through the IC inside.
SBD
• 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
3 cell Lithium-ion/Lithium-polymer battery protection IC MM3783 Series
(4) Instructions and directions for use
· When the current pathway of the charge and the discharge is separated, wiring is separated from the
drain of charge and discharge control FET.
· When the current pathway of the charge and the discharge is separated, do not connect load and
charger at the same time. It may incorrect-release from the discharging overcurrent detection state and
the short detection state.
· When the current pathway of the charge and the discharge is separated, please be sure to connect
capacitor (C5) of more than ꢀ.1uF to between the drain and the source of charge control FET.
· If temperature protection function is repealed, please make TH pin and VDD pin connection and make a
REG pin open.
· Temperature detection property is adjusted using the thermo sensitive register of the following part
number, and resistance accuracy. In order to satisfy the characteristic of specification, it recommends
using the following parts.
Symbol
RTNC
RTH
Name
Function
Part name
Remarks
NTC
Thermistor
100k
1ꢀ
MF52D 104F 3950
Shenzhen DCH Electronic
B (25/50) =3950 1ꢀ
Resistor
100k
1ꢀ
Note5 : Calculation fomula of NTC resisance and voltage of TH terminal
· Ra = Rꢀ * exp ( B * ( 1 / Ta - 1 / Tꢀ ) )
Ra : NTC resistance when the surrounding temperature is Ta(K).
Rꢀ : NTC resistance when the surrounding temperature is Tꢀ(K).
B
: Thermistor constant
· Vdet = VREG * RTH / ( RTH ꢁ Rdet )
Vdet : Temperature protection detection threshold of MM3783 TH terminal.
VREG : Output voltage of MM3783 REG terminal.
Rdet: NTC resistance when the surrounding temperature is detection temperature.
RTH : The resistance between the TH terminal and the VSS terminal
• 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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