DS2781E+T&R

The DS2781E+T&R refers to a specific part number for the DS2781 battery monitor and charger IC, which is used in managing rechargeable lithium-ion (Li-Ion) and lithium-polymer (LiPo) batteries. Produced by Maxim Integrated (now part of Analog Devices), this integrated circuit is designed to monitor battery voltage, current, and temperature, providing accurate state-of-charge (SOC) and remaining capacity information.
The "E" indicates the extended temperature range, while "T&R" stands for "Tape and Reel," a packaging method used for automated assembly processes. This IC is suitable for a wide range of applications, including mobile devices, portable electronics, and any battery-powered device requiring precise battery management to extend battery life and ensure safety.
The DS2781 features a precision voltage measurement system, coulomb counter for current measurement, temperature sensor, and a unique ID number for device authentication. Its small size and low power consumption make it ideal for integration into compact designs, enabling effective battery management solutions.

The DS2781E+T&R is a battery fuel gauge IC with key features that make it suitable for managing rechargeable lithium-ion (Li-ion) and lithium-polymer (LiPo) batteries. It integrates precise measurements of voltage, current, and temperature, offering accurate battery state estimation. The device features a 16-bit current measurement system with a current range of ±51.2mV input and automatic offset correction, which ensures high accuracy in tracking charge and discharge cycles. It also includes a 12-bit voltage ADC and a temperature sensor for monitoring.
The DS2781E+T&R has a programmable protection circuit that helps safeguard battery packs by setting thresholds for overvoltage, undervoltage, and overcurrent conditions. It supports 1-wire interface communication for data exchange, simplifying connectivity and reducing the number of communication lines needed. The IC supports EEPROM data storage for battery-specific parameters and usage history.
This part comes in a compact T&R (Tape and Reel) package, making it suitable for high-volume manufacturing and automated assembly processes. Overall, the DS2781E+T&R enhances battery management by providing critical information to optimize performance, safety, and lifespan of battery-powered devices.

The DS2781E+T&R is a power management IC, specifically a battery fuel gauge, manufactured by Maxim Integrated. It comes in a TDFN (Thin Dual Flat No-Lead) package, often used for space-constrained applications. The T&R suffix indicates that it is supplied in tape and reel packaging, suitable for automated pick-and-place assembly processes.

The DS2781E+T&R is a high-precision battery fuel gauge integrated circuit (IC) from Maxim Integrated. It is used for monitoring the charge and discharge of lithium-ion (Li-Ion) and lithium-polymer (LiPo) batteries. The IC comes in a 10-pin TDFN (Thin Dual Flat No-lead) package.
Pin Count: 10 pins
Key Functions:
1. Voltage Measurement: Accurately measures battery voltage.
2. Current Measurement: Monitors the current flowing in and out of the battery.
3. Temperature Measurement: Supports temperature sensing for safe operation.
4. Accumulated Current Register (ACR): Tracks charge/discharge cycles.
5. 1-Wire Interface: Allows communication with a host processor.
6. EEPROM: Stores battery-specific data and configuration settings.
7. Protection Features: Includes overvoltage, undervoltage, and overcurrent protection.
These features allow the DS2781E+T&R to provide critical battery management functions, ensuring efficient and safe operation of portable electronic devices.

The DS2781E+T&R is manufactured by Maxim Integrated, which is a part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. The company specializes in a wide range of applications, including power management, battery management, sensors, and communication interfaces. Their products are used across various industries, including automotive, consumer electronics, industrial, and telecommunications. Maxim Integrated's expertise in electronics and semiconductors makes them a prominent player in the field of analog and mixed-signal solutions.

The DS2781E+T&R is a battery fuel gauge IC used primarily in applications requiring precise battery monitoring and management. Key application areas include smartphones, tablets, laptops, wearable devices, and other portable electronic devices. It is also used in power tools, medical devices, and any application where accurate battery status, such as remaining capacity, voltage, current, and temperature monitoring, is crucial for performance and safety.

The DS2781E+T&R chip is a battery fuel gauge IC. Equivalent products include Maxim Integrated's DS2782, Texas Instruments' BQ27421-G1, and Microchip's MCP73831. When selecting an equivalent, ensure compatibility with your specific application requirements such as voltage range, communication interface, and package type. Always refer to the datasheets for detailed specifications and compatibility.