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LTC2945IUD#TRPBF
+物料清單IC POWER MONITOR I2C 12-QFN
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製造商ADI公司
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製造商部分 #LTC2945IUD#TRPBF
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規格
| 屬性 | 價值 |
| Part Status | Active |
| Digi Key Programmable | Not Verified |
| Applications | General Purpose |
| Voltage - Input | 4V ~ 80V |
| Voltage - Supply | 2.7V ~ 5.9V |
| Supply Current | 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
Key features include a built-in Coulomb counter, I²C interface for easy communication with microcontrollers, and support for low quiescent current to extend battery life. It can operate in a wide voltage range, making it suitable for portable devices, electric vehicles, and energy storage systems.
The device also has programmable thresholds for alerts and can handle multiple battery configurations. With its compact size and efficient performance, the LTC2945IUD#TRPBF is ideal for designers looking to enhance battery management systems and improve energy monitoring in their designs.
Equivalent
Features
1. Voltage Measurement: Supports a wide input voltage range up to 80V.
2. Current Sensing: Measures both charge and discharge currents using an external shunt resistor, enabling accurate battery state of charge determination.
3. Capacity Tracking: Provides real-time tracking of battery capacity in milliamp-hours (mAh) and percentage.
4. I2C Interface: Communicates via an I2C-compatible interface for easy integration with microcontrollers.
5. Low Power Consumption: Designed for battery-operated applications with low quiescent current.
6. Temperature Compensation: Offers temperature compensation for improved accuracy across varying thermal conditions.
7. Programmable Alerts: Features programmable thresholds for low battery voltage and overcurrent conditions.
These attributes make the LTC2945 ideal for applications in electric vehicles, portable devices, and energy storage systems.
Pinout
1. GND (Pin 1): Ground reference.
2. VCC (Pin 2): Supply voltage input.
3. SCL (Pin 3): I2C clock line.
4. SDA (Pin 4): I2C data line.
5. SVS (Pin 5): Sense voltage input for battery voltage measurement.
6. CT (Pin 6): Charge time measurement input.
7. C (Pin 7): External capacitor connection for filtering.
8. ALERT (Pin 8): Interrupt output pin for alert signals.
9. NC (Pin 9): No connect; not used.
10. CS (Pin 10): Chip select for communication.
The LTC2945 provides accurate monitoring of battery voltage, current, and state-of-charge, making it suitable for battery management applications.
Manufacturer
The LTC2945 is a battery monitor and fuel gauge IC designed for use in battery management systems. It provides accurate voltage, current, and temperature measurements, making it suitable for applications in portable devices, electric vehicles, and energy storage systems. ADI is renowned for its commitment to innovation and quality, providing solutions that enhance performance and efficiency across a range of electronic applications.
Application
1. Battery Management Systems: Used in lithium-ion battery packs for electric vehicles and portable electronics.
2. Energy Storage Systems: Monitors state of charge in renewable energy systems and backup power supplies.
3. Consumer Electronics: Helps track battery performance in smartphones, tablets, and laptops.
4. Industrial Applications: Employed in robotics and automated equipment for efficient energy management.
5. IoT Devices: Monitors battery health in connected devices, ensuring optimal performance and lifecycle management.