IEEE Approves Revision to Rechargeable Batteries Standard for Multi-Cell Mobile Computing Devices - IEEE 1625
December 30, 2008 // Published as a news service by IHS
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The Institute of Electrical and Electronics Engineers (IEEE) revised IEEE 1625 - Standard for Rechargeable Batteries for Multi-Cell Mobile Computing Devices.
"The revised standard focuses on the design approaches for mobile computing devices, such as notebook computers," said Jean M. Baronas, chair of the working group that developed the standard.
"The standard addresses critical operating parameters, how such parameters change with time and environment and the potential effects of external factors, such as temperature, by taking into account a total system view."
IEEE 1625-2008 establishes criteria for design analysis for qualification, quality and reliability of rechargeable battery systems for multi-cell mobile computing devices by providing methods for quantifying the operational performance of these batteries and their associated management and control systems including considerations for end-user notification.
The battery technologies addressed include lithium-ion and lithium-ion polymer. Other provisions of the standard address the battery pack electrical and mechanical construction, system, pack and cell level charge and discharge controls and battery status communications.
The standard also addresses:
- The qualification process.
- Manufacturing process control.
- Energy capacity and demand management.
- Levels of management and control in the battery systems.
- Current and planned lithium-based battery chemistries.
- Packaging technologies.
- Considerations for end-user notification.
IEEE 1625 was sponsored by the IEEE Power Engineering Society Stationary Batteries Committee and was developed under the auspices of the IEEE-Standards Association (SA) corporate program.
Twenty-six companies were involved in developing the standard including Apple Inc., Dell Inc., HP, Intel Corp., Sony Corp. and Tyco Electronics.
Source: Institute of Electrical and Electronics Engineers-Standards Association (IEEE-SA).