Description
The DS2786G+T&R is a battery monitor and fuel gauge IC designed by Maxim Integrated (now part of Analog Devices) for lithium-ion (Li-ion) and lithium-polymer (LiPo) battery packs. It is used to accurately track battery capacity, state of charge, and other critical parameters. The device integrates a precision coulomb counter to measure charge and discharge flow, a voltage measurement system, and a temperature sensor. It supports data interfaces such as I²C for communication with host systems, allowing real-time monitoring and data management.
The "T&R" in DS2786G+T&R indicates that the product is packaged for "Tape and Reel" distribution, which is a standard method for handling small electronic components during automated assembly processes. This packaging is convenient for high-volume manufacturing environments.
Overall, the DS2786G+T&R is particularly suitable for portable and battery-powered applications where efficient power management is essential. Its small footprint and comprehensive feature set make it ideal for integration into a wide range of consumer electronics, industrial devices, and other systems requiring reliable battery monitoring.
Equivalent
The DS2786G+T&R is a battery fuel gauge IC from Maxim Integrated. Equivalent products would include other battery fuel gauge ICs with similar features, like the Texas Instruments BQ27426 or BQ27542, and Analog Devices MAX17048. When selecting an equivalent, ensure compatibility in terms of interface, voltage, and battery chemistry. Always consult datasheets for detailed specifications and pin compatibility.
Features
The DS2786G+T&R is a high-precision battery fuel gauge integrated circuit designed for lithium-ion (Li-Ion) and lithium-polymer (Li-Poly) batteries. Key features include:
1. Current Measurement: It uses a high-precision current sense resistor to monitor charge and discharge currents, providing accurate measurements for battery management.
2. Voltage and Temperature Monitoring: The device monitors battery voltage and temperature, offering critical data for safe and efficient battery operation.
3. Fuel Gauge Algorithm: Employs a robust algorithm to calculate battery state-of-charge (SOC), state-of-health (SOH), and time-to-empty or time-to-full.
4. Interface and Communication: Utilizes a 1-Wire interface for communication, simplifying the data transfer process between the device and the host system.
5. Low Power Consumption: Designed for minimal power usage to extend battery life in portable applications.
6. Calibration and Configuration: Offers easy calibration and configuration to adapt to specific battery chemistries and application requirements.
These features make the DS2786G+T&R suitable for use in mobile devices, wearable technology, and other applications where accurate battery monitoring is essential.
Pinout
The DS2786G+T&R is a battery fuel gauge integrated circuit, primarily used for monitoring the state of charge of a single-cell lithium-ion battery. It typically comes in a 10-pin TDFN (Thin Dual Flat No-leads) package. The key functions of the DS2786 include measuring battery voltage, current, and temperature to accurately estimate the remaining capacity and state of charge. It also provides protection features such as overvoltage, undervoltage, and overcurrent protection. The DS2786 communicates with external systems via an I²C interface, allowing it to integrate seamlessly with a variety of battery management systems.
Manufacturer
The DS2786G+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. The company specializes in power management, interface, sensors, and other semiconductor devices that serve various applications across industries such as automotive, consumer electronics, industrial, communications, and healthcare. As a prominent player in the semiconductor industry, Maxim Integrated focuses on providing innovative solutions that enhance the performance and efficiency of electronic systems.
Application
The DS2786G+T&R is a battery management IC designed for precise fuel gauging and battery monitoring applications. It is commonly used in portable electronics, such as smartphones, tablets, and laptops, where accurate battery monitoring is essential. The IC can also be applied in power tools, medical devices, and other battery-powered equipment that requires reliable state-of-charge information. Its features include current measurement, temperature sensing, and capacity estimation, which help optimize battery performance and longevity.
Package
The DS2786G+T&R is a battery fuel gauge IC with a package type typically in a TDFN (Thin Dual Flat No-lead) format. The "+T&R" suffix indicates it is provided in tape and reel packaging, suitable for automated assembly processes.