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LTC2943IDD
+BOMIC BATT MONITOR MULTI-CHEM 8DFN
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メーカーテキサス・インスツルメンツ
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メーカー品番 #LTC2943IDD
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在庫状況7064
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| PartStatus | Obsolete |
| BaseProductNumber | LTC2943 |
| 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 | 8-WFDFN Exposed Pad |
| SupplierDevicePackage | 8-DFN (3x3) |
| Packaging | Tube |
概要
Description
The LTC2943IDD is a high-precision power and battery monitor integrated circuit (IC) designed by Analog Devices. It measures various parameters such as voltage, current, charge, and temperature in battery-powered systems. The device operates over a wide voltage range, making it suitable for a variety of applications, including portable electronics, electric vehicles, and backup systems.
Key features of the LTC2943IDD include an I²C interface for communication, which facilitates easy integration with microcontrollers for real-time data monitoring. It can measure voltages up to 20V and currents through an external sense resistor, providing accurate charge and discharge information. The IC also includes an internal temperature sensor for additional monitoring capabilities.
The LTC2943IDD is designed for low power consumption, ensuring minimal impact on the battery life of the system it monitors. Its small package size makes it suitable for compact designs. Overall, this IC is an effective choice for applications requiring precise battery and power monitoring to enhance device reliability and performance.
Key features of the LTC2943IDD include an I²C interface for communication, which facilitates easy integration with microcontrollers for real-time data monitoring. It can measure voltages up to 20V and currents through an external sense resistor, providing accurate charge and discharge information. The IC also includes an internal temperature sensor for additional monitoring capabilities.
The LTC2943IDD is designed for low power consumption, ensuring minimal impact on the battery life of the system it monitors. Its small package size makes it suitable for compact designs. Overall, this IC is an effective choice for applications requiring precise battery and power monitoring to enhance device reliability and performance.
Equivalent
Equivalent products to the LTC2943IDD, a battery gas gauge with I2C interface and coulomb counter, include:
1. Texas Instruments BQ34Z100-G1: A gauge IC for lithium-based batteries.
2. Maxim Integrated MAX17043: A standalone fuel gauge IC.
3. Renesas ISL94202: A multi-cell battery pack monitor IC.
4. Analog Devices ADI LTC2944: An enhanced version of LTC2943 with higher resolution.
These alternatives provide similar functionality with variations in features and specifications. Always check datasheets for compatibility with your specific application.
1. Texas Instruments BQ34Z100-G1: A gauge IC for lithium-based batteries.
2. Maxim Integrated MAX17043: A standalone fuel gauge IC.
3. Renesas ISL94202: A multi-cell battery pack monitor IC.
4. Analog Devices ADI LTC2944: An enhanced version of LTC2943 with higher resolution.
These alternatives provide similar functionality with variations in features and specifications. Always check datasheets for compatibility with your specific application.
Features
The LTC2943IDD is a battery gas gauge that measures battery charge and discharge accurately. It features a wide operating range from 3.6V to 20V, accommodating various battery configurations. It can monitor current, voltage, and temperature with high precision. The device includes a 14-bit analog-to-digital converter (ADC) for current and voltage measurements and a 12-bit ADC for temperature. It communicates via an I2C interface, providing easy integration with other systems. The LTC2943IDD can calculate accumulated battery charge (in mAh or Coulombs), making it ideal for applications requiring precise battery management. It offers programmable high and low thresholds for alert generation, enhancing system safety and reliability. The device operates over an industrial temperature range, ensuring robust performance in diverse environments. It comes in a compact 12-lead DFN package, making it suitable for space-constrained applications.
Pinout
The LTC2943IDD is a multi-cell battery gas gauge that measures battery charge state, voltage, current, and temperature. It is housed in a 12-pin DFN (Dual Flat No-leads) package.
Here is a concise overview of its pin functions:
1. SDA (Pin 1): Serial Data Line for I2C communication.
2. SCL (Pin 2): Serial Clock Line for I2C communication.
3. ALERT (Pin 3): Alert output for indicating fault conditions.
4. GND (Pin 4): Ground connection.
5. VDD (Pin 5): Supply voltage for the device.
6. SENSE+ (Pin 6): Positive input for current sense resistor.
7. SENSE- (Pin 7): Negative input for current sense resistor.
8. ADIN (Pin 8): Auxiliary ADC input.
9. VCC (Pin 9): Battery voltage input.
10. NC (Pins 10, 11, 12): No Connect.
The LTC2943IDD is typically used in applications such as power management systems where accurate monitoring of battery parameters is crucial.
Here is a concise overview of its pin functions:
1. SDA (Pin 1): Serial Data Line for I2C communication.
2. SCL (Pin 2): Serial Clock Line for I2C communication.
3. ALERT (Pin 3): Alert output for indicating fault conditions.
4. GND (Pin 4): Ground connection.
5. VDD (Pin 5): Supply voltage for the device.
6. SENSE+ (Pin 6): Positive input for current sense resistor.
7. SENSE- (Pin 7): Negative input for current sense resistor.
8. ADIN (Pin 8): Auxiliary ADC input.
9. VCC (Pin 9): Battery voltage input.
10. NC (Pins 10, 11, 12): No Connect.
The LTC2943IDD is typically used in applications such as power management systems where accurate monitoring of battery parameters is crucial.
Manufacturer
The LTC2943IDD is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for designing, manufacturing, and marketing a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company serves various markets, including industrial, automotive, consumer electronics, and communications. With a focus on high-performance components, Analog Devices is recognized for its innovation in technology and its contribution to the development of reliable and efficient electronic systems.
Application
The LTC2943IDD is a multi-cell battery gas gauge that measures battery charge, voltage, current, and temperature. It finds application in various areas, including:
1. Portable Electronics: Used in smartphones, tablets, and laptops to monitor battery status and optimize power usage.
2. Electric Vehicles: Manages battery packs in electric cars and bicycles to ensure efficient energy usage.
3. Uninterruptible Power Supplies (UPS): Ensures reliable performance by monitoring the charge state.
4. Industrial Equipment: Used in tools and machinery that rely on battery power for efficient operations.
5. Medical Devices: Monitors battery health in critical equipment like portable defibrillators and diagnostic tools.
1. Portable Electronics: Used in smartphones, tablets, and laptops to monitor battery status and optimize power usage.
2. Electric Vehicles: Manages battery packs in electric cars and bicycles to ensure efficient energy usage.
3. Uninterruptible Power Supplies (UPS): Ensures reliable performance by monitoring the charge state.
4. Industrial Equipment: Used in tools and machinery that rely on battery power for efficient operations.
5. Medical Devices: Monitors battery health in critical equipment like portable defibrillators and diagnostic tools.
Package
The LTC2943IDD is available in a 10-lead (3mm × 3mm) DFN (Dual Flat No-Lead) package. This package type is compact, facilitating efficient thermal management and electrical performance, suitable for battery monitoring applications.
