DS3801 - Battery Cap

SPECIFICATIONS

Part No.: DS3801
Manufacturer: Dallas Semiconductors
Country of Manufacture: United States of America (USA)
Temperature: -30 to 65oC
Product Type: Battery Cap
Availability: In Stock

Functional Description

DS3801 is a Battery Cap developed by Dallas Semiconductors. The Battery Cap is an advanced snap-on lithium power source designed specifically for Dallas Semiconductor's 40mm ball-grid array (BGA) Nonvolatile SRAM (NV SRAM) modules, such as the DS3832C-311 and DS3816C-511. This battery provides a reliable secondary power supply for these memory modules.

Design and Functionality

• Attachment and Installation: The Battery Cap is designed to snap onto a host BGA module after the module has been soldered in place and cleaned. This installation occurs post-soldering to avoid exposure of the lithium battery to the high temperatures associated with reflow soldering, thereby protecting the battery's integrity.
• Mechanical and Electrical Stability: The battery cap is engineered to ensure both mechanical and electrical stability. It is keyed to prevent incorrect attachment, ensuring a secure and precise fit. The design features gold-plated round pins on the battery cap that insert into gold-plated receptacles on the BGA module, providing reliable electrical connections.
• Mechanically, includes two flanges that tightly grip the BGA module board. This design prevents accidental removal and ensures that the battery cap remains securely in place. Additionally, corner features on the cap prevent lateral movement, maintaining stability even under severe shock and vibration.

Features

• Power Source: It houses 380mAh primary lithium batteries, providing a robust secondary power source for the NV SRAM module.
• Compatibility: It is designed to snap directly onto surface-mounted 40mm BGA NV SRAM modules, making it an ideal accessory for enhancing the power supply of these memory components.
• Durability: The battery cap is designed to withstand severe shock and vibration stresses, ensuring that both mechanical and electrical connections are maintained under challenging conditions.
• Temperature Range: operates within an industrial temperature range of -40°C to +85°C, making it suitable for use in a variety of environments and conditions.

The WOC team is always available to help you with your Mark IV requirements. For more information, please contact WOC.

Frequently Asked Questions

What is DS3801?
It is a Battery Cap developed by Dallas Semiconductors.

Which NV SRAM modules is it compatible with?
The Battery Cap is compatible with Dallas Semiconductor's 40mm BGA NV SRAM modules, including models such as the DS3832C-311 and DS3816C-511.

How is the Battery Cap installed?
The Battery Cap is installed by snapping it onto the NV SRAM module after the module has been soldered in place and cleaned. This process avoids exposing the lithium battery to high temperatures during reflow soldering.

What features prevent incorrect attachment of the Battery Cap?
The Battery Cap is keyed to prevent incorrect attachment, ensuring that it fits securely and precisely onto the BGA module.