Lithium Ion Battery (Lib) Charger: Spacesuit Battery Charger Design with 2-Fault Tolerance to Catastrophic Hazards

Author:   Eric Darcy ,  Frank Davies ,  Nasa Technical Reports Server (Ntrs)
Publisher:   Bibliogov
ISBN:  

9781289112585


Pages:   26
Publication Date:   27 June 2013
Format:   Paperback
Availability:   In stock   Availability explained
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Lithium Ion Battery (Lib) Charger: Spacesuit Battery Charger Design with 2-Fault Tolerance to Catastrophic Hazards


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Overview

Charger design that is 2-fault tolerant to catastrophic has been achieved for the Spacesuit Li-ion Battery with key features. Power supply control circuit and 2 microprocessors independently control against overcharge. 3 microprocessor control against undercharge (false positive: Go for EVA) conditions. 2 independent channels provide functional redundancy. Capable of charge balancing cell banks in series. Cell manufacturing and performance uniformity is excellent with both designs. Once a few outliers are removed, LV cells are slightly more uniform than MoliJ cells. If cell balance feature of charger is ever invoked, it will be an indication of a significant degradation issue, not a nominal condition.

Full Product Details

Author:   Eric Darcy ,  Frank Davies ,  Nasa Technical Reports Server (Ntrs)
Publisher:   Bibliogov
Imprint:   Bibliogov
Dimensions:   Width: 18.90cm , Height: 0.10cm , Length: 24.60cm
Weight:   0.068kg
ISBN:  

9781289112585


ISBN 10:   1289112584
Pages:   26
Publication Date:   27 June 2013
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Active
Availability:   In stock   Availability explained
We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately.

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