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AN4085 Datasheet(PDF) 2 Page - STMicroelectronics

Part # AN4085
Description  STMicroelectronics has developed micro battery products
PDF  16 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4085 Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
AN4085
2/16
DocID023052 Rev 2
Contents
1
Handling and assembly of the ELF700A39 . . . . . . . . . . . . . . . . . . . . . . . 3
2
Charging the EFL700A39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Charging voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Charging current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3
Charging temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Discharging the EFL700A39 battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1
Minimum discharge voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2
Discharging with continuous current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2.1
Discharging characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2.2
EFL700A39 survival time in battery disconnect protection mode . . . . . . 6
3.2.3
Recommended maximum load current overtemperature . . . . . . . . . . . . 7
3.3
Discharging with pulsed current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3.1
Using EFL700A39 in stand-alone configuration . . . . . . . . . . . . . . . . . . . 9
3.3.2
Using a buffer capacitor to increase the pulse current . . . . . . . . . . . . . . . 9
4
Available power management IC’s and tools . . . . . . . . . . . . . . . . . . . . 12
4.1
STMicroelectronics SPV1050 IC’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2
STMicroelectronics EFL700A39 evaluation boards . . . . . . . . . . . . . . . . . 12
5
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15



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