ML-2020/V1AN Panasonic - BSG, ML-2020/V1AN Datasheet - Page 2

• Manufacturer Part Number: ML-2020/V1AN
• Description: BATT LITH COIN 3V RECHARGE W/LEG
• Manufacturer: Panasonic - BSG
• Series: ML2020r

Specifications of ML-2020/V1AN

• Battery Cell Size: Coin 20mm
• Voltage - Rated: 3V
• Capacity: 45mAh
• Size / Dimension: 0.79" Dia x 0.11" H (20.0mm x 2.9mm)
• Termination Style: PCB Pins
• Rechargeability: Yes
• Discharge Current: 0.1mA
• Charging Current: 0.1mA
• Operating Temperature: -20°C ~ 60°C
• Weight: 0.03 oz (0.85g)
• Lead Free Status / RoHS Status: Lead free / RoHS compliant by exemption
• Other names: ML2020-V1A; ML2020/V1A; ML2020V1A; P045

G Reference: Examples of charging circuits
G Influence of the charge voltage on ML batteries
1
2
3
-
+
5V
0V
5V
0V
~2.8V
voltage element
R
R
R
R
Constant
1
2
1
2
3.5
3.0
2.5
If the charge voltage goes beyond its adequate range, battery
performance may deteriorate early. Be sure to observe the guaranteed
charge voltage.
GND
Patent acquired
Patent acquired
D
D
D
3
1
D
ML
ML
D
2
Early battery deterioration region
60 C or withstand voltage limit
Adequate charge voltage range
(guaranteed specified value)
R
ML
Charging
* VF of D will be different from the value given above if a current in excess of 10 A flows to
When Charging using another battery
ML414
ML421
ML614
ML621
ML920
ML1220
ML2020
the load during operation. Compensation must be provided by the resistors in such cases.
Simple economical circuits
Standard circuits
For D
D
1
, D
D
2
3
2
ML614
ML414
ML421
ML621
ML920
ML1220
ML2020
ML414
ML421
ML614
ML621
ML920
ML1220
ML2020
The lower charging voltage becomes,
the less capacity becomes.
, select a diode of small inverse current
: MA3X716 ( Diode type code)
: MA3X704, MA2J728
Load
REG
3.2V
3.1V
REG
3.2V
3.1V
REG
3.2V
3.1V
REG
3.2V
3.1V
REG
3.2V
3.1V
REG
3.2V
3.1V
REG
3.2V
3.1V
D,Vf
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
MA2J728
5.1k
5.1k
2.7k
1.1k
9.1k
5.1k
2.4k
680
680
180
330
10k
1k
1k
R
R
D
D
D
D
D
D
D
1
1
Prohibited operating range
Operational range
Inadequate range
100 A below
0~0.2V
9.1k
5.1k
2.0k
1.3k
1.3k
5.6k
5.1k
2.7k
1.3k
(Ir=1 A/5V)
9.1k
180
330
510
510
4.7k
3.9k
6.2k
5.1k
1.8k
1.5k
910
750
470
390
470
390
180
150
R
R
R
R
R
R
R
R
R
2
2
Chapter 3 -
2006
61