3V Power Solution Comparison

3 Volt Power Solutions
Shelf Life
(years)
Operating
Temperature
Output Voltage
Flexibility
Energy (mWh)
1mA to 2.0V
CR2032
3.0
225
675
8
‐30C ‐ 60C
Excellent
2 x AAAA Alkaline
3.0
575
1725
5
‐18C ‐ 55C
Good 2 x AAA Alkaline
3.0
975
2925
7
‐18C ‐ 55C
Fair
3.0
1280
3840
15
‐40C ‐ 60C
Poor
1 x AAAA Alkaline + Boost
3.3
180
595
5
‐18C ‐ 55C
1
3.3
350
1155
7
‐18C ‐ 55C
1
3.3
470
1550
15
‐40C ‐ 60C
3.7
120
445
3 ‐ 5
0C ‐ 40C
2 x AAA Lithium
1
1 x AAA Alkaline + Boost
1 x AAA Lithium + Boost
Lithium Ion
2
Ease of Design
Capacity (mAh)
1mA to 2.0V
Pulse Capability
3V Power Solution
Nominal
Voltage
Output Voltage
Stability
An overview of performance and design considerations for today’s small devices
1mA Constant Current Discharge Curves
2 x AAA Lithium
1
1 x AAA Lithium + Boost1
2 x AAA Alkaline
1
1 x AAA Alkaline + Boost1
2 x AAAA Alkaline
1
1 x AAAA Alkaline + Boost1
CR2032
2
Lithium Ion2
4.2
4.0
3.8
3.6
Voltage
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
0
200
400
600
800
1000
1200
1400
Capacity (mAh)
Energy Delivered (mWh) at 16.5mW Load to 2.0V
Physical Parameters
8.0
5000
7.0
4500
4000
3500
5.0
3000
4.0
2500
3.0
2000
1500
2.0
1000
1.0
1
1 x AAAA
Alkaline
+ Boost 11
2 x AAAA
Alkaline
1 x AAA
Lithium
+ Boost 11
1 x AAA
Alkaline
+ Boost 11
2 x AAA
Lithium
2 x AAA
Alkaline
0
Microchip MCP1640 step‐up DC‐DC converter evaluation board, output set to 3.3V Lithium Ion Polymer (120mAh)
©Energizer Holdings, Inc. - Contents herein do not constitute a warranty.
2
2 x AAA
Alkaline
23.0g
2 x AAA
Lithium
15.2g
1 x AAA
Alkaline
+ Boost 11
12.1g
1 x AAA
Lithium
+ Boost 11
8.2g
2 x AAAA
Alkaline
13.0g
1 x AAAA
Alkaline
+ Boost 11
7.1g
Lithium
Ion 22
4.0g
Lithium
2
Ion 2
500
3.0g
CR2032
0.0
CR2032
Volume (cm3)
6.0
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P 1 of 2
3 Volt Power Solutions
An overview of performance and design considerations for today’s small devices
Constant Power Rate Capability
Energy Delivered (mWh)
10000
1000
100
1
10
100
Discharge Rate (mW)
Single Pulse
CR2032 Continuous and Pulse Load
(25 Ohm Load for 1 mSec)
1 x AAA Lithium + Boost 1
2 x AAA Alkaline
1 x AAA Alkaline + Boost 1
2 x AAAA Alkaline
1 x AAAA Alkaline + Boost 1
Pulse Open Circuit Voltage
Pulse Closed Circuit Voltage
1
1
3.0
3.6
2.8
3.4
2.6
3.2
3.0
2.4
2.2
2.0
2.8
1.8
2.6
2.4
0.00
Average current of pulses = 0.4 mA
1.6
0.50
1.00
1.50
2.00
2.50
0
Time (mSec)
1
Microchip MCP1640 step‐up DC‐DC converter evaluation board, output set to 3.3V Lithium Ion Polymer (120mAh)
©Energizer Holdings, Inc. - Contents herein do not constitute a warranty.
2
0.5 mA Continuous
3.2
CR2032
Voltage
Voltage
3.8
(251 Ohm, 1 mSec ON / 24 mSec OFF)
1
2 x AAA Lithium
50
100
150
200
250
Capacity (mAh)
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P 2 of 2
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