DS2438Z

Battery Management Overview

The DS2438Z is a smart battery monitor IC designed for lithium-ion battery management. It integrates voltage, current, and temperature sensing capabilities with non-volatile memory to support Smart Battery System (SBS) protocols. The device operates within a supply voltage range of 2.4 V to 10 V and utilizes a single-wire interface for communication. It is housed in an 8-pin SOIC package and functions across an industrial temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Integrates analog-to-digital conversion for monitoring cell voltage, pack current, and temperature
• Supports Smart Battery System protocol compliance for advanced battery data reporting
• Includes non-volatile memory for storing calibration data and system parameters

Battery Management Applications

• Lithium-ion battery pack monitoring
• Smart battery identification systems
• Portable electronic device power management

Battery Management Procurement Notes

Verify the specific suffix designation when ordering, as variants such as DS2438AZ+ or DS2438Z+ may exist with distinct packaging or environmental certifications. Confirm availability status directly with authorized distributors, as stock levels for this component are frequently restricted. Ensure the selected part number matches the required package type and operating temperature specifications for your design.

Battery Management Selection Notes

Select this component for applications requiring precise monitoring of single-cell lithium-ion batteries with SBS compatibility. Consider the 8-pin SOIC footprint for space-constrained designs. Evaluate the need for integrated current sensing versus external shunt solutions based on accuracy requirements. Verify that the host microcontroller supports the necessary single-wire communication protocol for reliable data exchange.

Battery Management Part Context

This component belongs to the Maxim Integrated line of battery management solutions, specifically targeting smart battery applications. It serves as a bridge between the battery cell and the host system, providing essential health and status data. The product family emphasizes integration to reduce bill-of-materials count in portable electronics.

Battery Management FAQ

What communication interface does the DS2438Z use?

The DS2438Z uses a single-wire interface compatible with the Dallas 1-Wire® protocol for data transmission.

Is the DS2438Z compliant with Smart Battery System standards?

Yes, the device is designed to support Smart Battery System (SBS) protocols for battery monitoring and identification.