Analog Devices DS3800 Advanced NV SRAM Battery Cover

Dismantling method: If the battery cover or BGA module needs to be replaced, use a tool to break the 4 snap flanges (the flanges are designed for one-time use and need to be replaced with new battery covers after breakage) to separate the battery cover from the module.

Application scenarios and compatibility

（1） Applicable scenarios

The DS3800 is designed specifically for NV SRAM applications that require long-term data backup and can withstand harsh environments. Typical scenarios include:

Industrial control: parameter storage for PLC (Programmable Logic Controller) and DCS (Distributed Control System) to prevent loss of process data due to power outages;

Automotive Electronics: The configuration data and fault code storage of the onboard ECU (Electronic Control Unit) are capable of withstanding vibrations and temperature fluctuations during vehicle operation;

Medical equipment: Temporary data storage for portable diagnostic instruments to ensure that critical detection data is not lost after a power outage.

（2） Compatibility

Only compatible with Analog Devices (formerly Dallas Semiconductors) 40mm Ball Grid Array (BGA) packaged NV SRAM modules, such as DS1230 series, DS1245 series, etc. (module pin definitions need to be confirmed to match battery cover sockets);

Non universal adaptation: Not compatible with NV SRAM modules in other packages (such as QFP, DIP), and does not support non NV SRAM types of memory (such as DRAM, EEPROM).

Key precautions

Battery safety: The built-in battery is a primary lithium battery that is non rechargeable and cannot be short circuited. When discarded, it should be treated as hazardous waste to avoid high temperatures, squeezing, or punctures;

Life limit: The data retention life of 8 years is a typical value at 25 ℃. In practical applications, if the ambient temperature is higher than 25 ℃ for a long time (such as in the engine compartment of a car), the life will be shortened. It is recommended to regularly check and replace the battery cover;

Mechanical strength: The snap flange is made of plastic material, and excessive force should be avoided during installation to prevent the flange from breaking; After installation, avoid frequent plugging or severe impact to prevent pin deformation or socket damage。