DS2745U+T&R
Product Overview
Category
The DS2745U+T&R belongs to the category of integrated circuits (ICs).
Use
This product is primarily used for battery monitoring and management in various electronic devices.
Characteristics
- Integrated circuit designed for battery monitoring
- Provides accurate measurement of battery voltage, current, and temperature
- Supports multiple battery chemistries
- Offers programmable alarm thresholds for battery parameters
- Enables communication with a host system through an I2C interface
Package
The DS2745U+T&R comes in a small outline transistor (SOT) package.
Essence
The essence of this product lies in its ability to accurately monitor and manage battery performance, ensuring optimal usage and extending battery life.
Packaging/Quantity
The DS2745U+T&R is typically packaged in reels and is available in quantities of 2500 units per reel.
Specifications
- Supply Voltage: 2.7V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Battery Voltage Measurement Range: 0V to 5.5V
- Current Measurement Range: ±512mA
- Temperature Measurement Range: -40°C to +85°C
- Communication Interface: I2C
Detailed Pin Configuration
The DS2745U+T&R has the following pin configuration:
- VDD: Power supply input
- GND: Ground reference
- SDA: Serial data line for I2C communication
- SCL: Serial clock line for I2C communication
- ALERT: Interrupt output for alarm conditions
- BAT: Battery voltage sense input
- VSS: Negative terminal of the battery being monitored
- VCC: Positive terminal of the battery being monitored
Functional Features
- Accurate measurement of battery voltage, current, and temperature
- Programmable alarm thresholds for battery parameters
- Non-volatile memory for storing configuration settings
- Real-time clock for time-stamping data
- Low-power consumption for extended battery life
Advantages and Disadvantages
Advantages
- Precise monitoring and management of battery performance
- Compatibility with various battery chemistries
- Flexible programmability for customized applications
- Compact package size for space-constrained designs
Disadvantages
- Limited current measurement range
- Requires I2C communication interface support in the host system
Working Principles
The DS2745U+T&R operates by continuously measuring the battery voltage, current, and temperature using its internal circuitry. It communicates these measurements to a host system through the I2C interface. The device also allows the host system to set alarm thresholds for specific battery parameters, triggering an interrupt when these thresholds are exceeded.
Detailed Application Field Plans
The DS2745U+T&R finds application in various fields, including: 1. Portable electronic devices (e.g., smartphones, tablets) 2. Medical equipment 3. Industrial automation systems 4. Automotive electronics 5. Renewable energy systems
Detailed and Complete Alternative Models
- DS2786U+T&R: Similar functionality with extended current measurement range
- DS2777U+T&R: Enhanced features for advanced battery management
- DS2750U+T&R: Basic battery monitoring IC with lower cost
These alternative models offer different specifications and features to cater to diverse application requirements.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af DS2745U+T&R i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of DS2745U+T&R in technical solutions:
Q: What is DS2745U+T&R? A: DS2745U+T&R is a specific model number of a battery fuel gauge IC (Integrated Circuit) manufactured by Maxim Integrated. It is used for monitoring and reporting battery status in various applications.
Q: What are the key features of DS2745U+T&R? A: Some key features of DS2745U+T&R include accurate voltage and current measurement, temperature sensing, capacity estimation, and support for multiple battery chemistries.
Q: How can DS2745U+T&R be used in technical solutions? A: DS2745U+T&R can be used in various technical solutions such as portable devices, medical equipment, industrial systems, and IoT devices where accurate battery monitoring and management are crucial.
Q: How does DS2745U+T&R measure battery capacity? A: DS2745U+T&R uses a combination of voltage, current, and temperature measurements along with advanced algorithms to estimate the remaining battery capacity accurately.
Q: Can DS2745U+T&R support different battery chemistries? A: Yes, DS2745U+T&R supports multiple battery chemistries including lithium-ion (Li-ion), lithium polymer (LiPo), nickel-cadmium (NiCd), and nickel-metal hydride (NiMH).
Q: Does DS2745U+T&R provide real-time battery status updates? A: Yes, DS2745U+T&R continuously monitors the battery and provides real-time updates on parameters like voltage, current, temperature, and remaining capacity.
Q: Can DS2745U+T&R be integrated with microcontrollers or other systems? A: Yes, DS2745U+T&R can be easily integrated with microcontrollers or other systems using standard communication interfaces like I2C or SMBus.
Q: What is the operating voltage range of DS2745U+T&R? A: The operating voltage range of DS2745U+T&R is typically between 2.7V and 5.5V, making it suitable for a wide range of battery-powered applications.
Q: Does DS2745U+T&R support overvoltage and undervoltage protection? A: Yes, DS2745U+T&R includes built-in protection features to prevent overvoltage and undervoltage conditions, ensuring safe operation of the battery.
Q: Are evaluation boards or development kits available for DS2745U+T&R? A: Yes, Maxim Integrated provides evaluation boards and development kits for DS2745U+T&R, which help in testing and prototyping applications before deployment.
Please note that the answers provided here are general and may vary depending on specific application requirements and the manufacturer's documentation.