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L6924U Scheda tecnica(PDF) 21 Page - STMicroelectronics

Il numero della parte L6924U
Spiegazioni elettronici  USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer
PDF  38 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6924U Scheda tecnica(HTML) 21 Page - STMicroelectronics

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L6924U
Applications information: charging process
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IEND pin is also used to monitor the charge current, because the current injected in REND is
proportional to the charge current. The voltage across REND can be used by a
microcontroller to check the charge status like a gas gauge.
7.6
Recharge flow chart
Figure 14.
Recharge flow chart
7.7
Recharge threshold
When, from an end-of-charge condition, the battery voltage goes below the recharging
threshold (VRCH), the device goes back in charging state. The value of the recharge
threshold is 4.05 V.



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