LTC2945IUD#TRPBF

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LTC2945IUD#TRPBF

IC POWER MONITOR I2C 12-QFN

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規格

Part Status Active
DigiKey Programmable Not Verified
Applications General Purpose
Voltage - Input 4V ~ 80V
Voltage - Supply 2.7V ~ 5.9V
Current - Supply 800 µA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 12-WFQFN Exposed Pad
Supplier Device Package 12-QFN (3x3)
Base Product Number LTC2945

概述

Description

The LTC2945IUD#TRPBF is a high-accuracy, low-power battery monitor IC designed by Analog Devices. It is specifically engineered for applications requiring precise measurement of battery voltage, current, and charge state. This IC integrates a voltage and current sense amplifier to monitor battery parameters in real-time.
Key features include:
- Precision Measurement: It offers high measurement accuracy for both voltage and current.
- Battery Management: It provides state-of-charge (SOC) information, making it suitable for energy management in portable and battery-powered devices.
- Low Power Consumption: Designed for efficiency, it operates on minimal power, which is crucial for extending battery life.
- I2C Interface: The device communicates via the I2C interface, allowing easy integration with microcontrollers and other digital systems.
Overall, the LTC2945 is ideal for applications in portable electronics, electric vehicles, and renewable energy systems, facilitating effective battery management and enhancing overall system performance.

Features

The LTC2945IUD#TRPBF is a precision battery monitor and fuel gauge designed for multi-cell battery systems. Key features include:
1. Voltage Measurement: Monitors up to 16 series-connected lithium-ion battery cells with a wide input voltage range.
2. I2C Interface: Supports communication via an I2C interface for easy integration with microcontrollers.
3. Temperature Compensation: Provides temperature compensation for accurate voltage and capacity measurements.
4. Low Power Consumption: Operates in low-power modes to extend battery life.
5. Integrated ADC: Features a 12-bit ADC for high-resolution measurements of cell voltages.
6. Programmable Alerts: Offers programmable thresholds for under-voltage and over-voltage conditions.
7. Battery Capacity Tracking: Includes algorithms for tracking remaining battery capacity (state of charge).
8. Compact Package: Available in a small 20-lead LQFP package for space-constrained applications.
These features make the LTC2945IUD#TRPBF suitable for a variety of applications in portable devices and battery management systems.

Package

The LTC2945IUD#TRPBF comes in a 16-lead TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The LTC2945IUD#TRPBF is a battery gas gauge IC with a total of 10 pins. The pin configuration and their functions are as follows:
1. VIN - Voltage input for battery voltage sensing.
2. GND - Ground reference.
3. I2C SDA - Serial data line for I2C communication.
4. I2C SCL - Serial clock line for I2C communication.
5. ALERT - Open-drain alert output for notifying the host of significant events.
6. VSS - Negative supply voltage connection.
7. TS - Temperature sensing input.
8. VREF - Reference voltage output.
9. BAT - Battery connection for measuring voltage and current.
10. C1 - Capacitor connection for external filtering or stability.
The LTC2945 provides accurate battery state-of-charge measurements and communicates via the I2C interface.

Manufacturer

The manufacturer of the LTC2945IUD#TRPBF is Analog Devices, Inc. Analog Devices is a prominent American multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company primarily serves markets such as industrial automation, automotive, communications, healthcare, and consumer electronics. Their products are widely used in various applications, including data acquisition, signal processing, and power management, making them a key player in the semiconductor industry.

Application

The LTC2945IUD#TRPBF is a battery gas gauge designed for monitoring battery voltage, current, and state of charge in various applications. It is commonly used in portable electronics, electric vehicles, renewable energy systems, and industrial equipment. Its precision in tracking battery performance makes it suitable for applications requiring efficient battery management, such as smart meters, IoT devices, and uninterruptible power supplies (UPS).

Equivalent

The LTC2945IUD#TRPBF is a battery fuel gauge IC. Equivalent products include the Texas Instruments BQ27441 and BQ27427, Maxim Integrated's MAX17043, and Analog Devices' ADP5061. These alternatives offer similar functionalities for battery monitoring and management, though specific features may vary. Always check datasheets for compatibility and requirements.

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