LTC2943IDD#PBF

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LTC2943IDD#PBF

+BOM

IC BATT MONITOR MULTI-CHEM 8DFN

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Specifications

Attribute Value
Package Tube
ProductStatus Active
Function Battery Monitor
BatteryChemistry Multi-Chemistry
FaultProtection Over Current, Over Temperature, Over Voltage
Interface I²C
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad

Overview

Description

The LTC2943IDD#PBF is a high-precision power and battery monitor IC from Analog Devices (previously Linear Technology). It is designed to measure battery charge, voltage, current, and temperature with high accuracy in portable and battery-powered applications. The device operates over a wide voltage range of 3.6V to 20V, making it suitable for a variety of battery types and configurations.
Key features include:
1. Coulomb Counting: Accurately measures charge/discharge current to track battery capacity.
2. Voltage and Current Measurement: Integrated 14-bit ADC provides precise monitoring of voltage and current.
3. I2C Interface: Facilitates communication with microcontrollers for data retrieval and configuration.
4. Temperature Monitoring: On-chip temperature sensor helps in assessing battery health and safety.
5. Low Power Consumption: Ideal for energy-efficient designs.
The package (IDD) indicates an industrial temperature range, and the #PBF suffix signifies a lead-free product. This IC is well-suited for applications like power management systems, portable devices, and energy storage solutions.

Equivalent

The LTC2943IDD#PBF is a battery gas gauge with I2C interface from Analog Devices. Equivalent products include:
1. Maxim Integrated: MAX17055 - Fuel gauge with similar features.
2. Texas Instruments: BQ34Z100-G1 - Fuel gauge for Li-Ion/Li-Polymer batteries.
3. Renesas: ISL28022 - Current/Voltage/Temperature monitor with I2C.

Each product may have specific differences, so it's important to check for compatibility with your application requirements.

Features

The LTC2943IDD#PBF is a high-precision battery gas gauge IC designed to monitor charge, voltage, current, and temperature in battery-powered systems. Some of its key features include:
1. Wide Voltage Range: It operates from 3.6V to 20V, making it suitable for a variety of battery configurations.

2. Current Measurement: Provides bidirectional current measurements with a 14-bit resolution, allowing for precise monitoring.
3. Charge Measurement: Uses a coulomb counter for accurate charge accumulation.
4. Voltage and Temperature Monitoring: Measures battery voltage and temperature with a 14-bit resolution.
5. I2C Interface: Equipped with an I2C/SMBus-compatible interface for easy communication with microcontrollers.
6. Low Power Consumption: Optimized for minimal power usage to extend battery life.
7. Configurable Alerts: Offers programmable high and low thresholds for alerts, enabling proactive battery management.
8. Compact Package: Comes in a 16-lead DFN package for space-constrained applications.
These features make the LTC2943IDD#PBF ideal for applications requiring accurate battery monitoring, such as smartphones, tablets, and other portable electronics.

Pinout

The LTC2943IDD#PBF is a power and energy monitoring IC with a 14-pin package. Its primary function is to measure battery charge, voltage, current, and temperature. It communicates via an I2C interface, allowing it to report data to a microcontroller or other digital system. The device is designed for applications such as battery management systems and power management in portable electronic devices.

Manufacturer

The LTC2943IDD#PBF is manufactured by Analog Devices, Inc. Analog Devices is a prominent global semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These products are used in a broad range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its innovation and leadership in the field of analog technology, providing solutions that bridge the physical and digital worlds. The company focuses on delivering high-performance solutions that enable its customers to create advanced and efficient systems.

Application

The LTC2943IDD#PBF is a battery gas gauge IC used for precise battery monitoring and management. Its application areas include portable electronics, electric vehicles, medical devices, and industrial equipment. It is ideal for systems that require accurate tracking of battery charge and discharge cycles, state of charge, voltage, current, and temperature. This chip is often used in applications where battery health and longevity are critical, providing valuable data for battery management systems to optimize performance and safety.

Package

The LTC2943IDD#PBF is an integrated circuit from Analog Devices, housed in a 10-lead, 3mm x 3mm DFN (Dual Flat No-Lead) package. It's designed for battery monitoring applications.

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