規格
| 屬性 | 價值 |
| Mounting Type | SMD/SMT |
| Output Voltage | 5.6 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Series | LTC6804 |
| Brand | Analog Devices |
| Height | 1.85 mm |
| Product | Battery Protection |
| Product Type | Battery Management |
| Subcategory | PMIC - Power Management ICs |
| Package / Case | SSOP-48 |
| Delivery Restrictions | Mouser does not sell this product in your region. |
| Current - Supply | 550 uA |
| Battery Type | Multiple Cell |
| Operating Supply Voltage | 11 V to 55 V |
| Development Kit | DC1894B, DC1942C , DC2100A-C , DC2100A-D, DC2100B-D, DC2100B-C |
概述
Description
The LTC6804HG-2 is a high-precision battery monitoring and cell balancing IC designed for use in multi-cell battery systems, such as those found in electric vehicles and renewable energy applications. It can monitor up to 12 series-connected battery cells, providing accurate voltage measurements with a resolution of 16 bits.
Key features include low power consumption, high accuracy, and the ability to communicate via a daisy-chain configuration, which simplifies system design. The device supports a wide input voltage range and can operate in high-temperature environments, making it suitable for demanding applications.
Additionally, the LTC6804HG-2 incorporates features like cell balancing, over-voltage and under-voltage detection, and safety mechanisms to enhance the reliability of battery management systems. Its integrated design minimizes external component requirements, thereby reducing overall system complexity and cost. This makes the LTC6804HG-2 an ideal choice for modern battery management solutions.
Key features include low power consumption, high accuracy, and the ability to communicate via a daisy-chain configuration, which simplifies system design. The device supports a wide input voltage range and can operate in high-temperature environments, making it suitable for demanding applications.
Additionally, the LTC6804HG-2 incorporates features like cell balancing, over-voltage and under-voltage detection, and safety mechanisms to enhance the reliability of battery management systems. Its integrated design minimizes external component requirements, thereby reducing overall system complexity and cost. This makes the LTC6804HG-2 an ideal choice for modern battery management solutions.
Equivalent
Equivalent products to the LTC6804HG-2 chip include the Texas Instruments BQ76PL536A, Analog Devices AD7150, and Maxim Integrated MAX14654. These alternatives also offer battery monitoring capabilities and are suitable for multi-cell battery applications. Always verify specifications and compatibility before substituting components.
Features
The LTC6804HG-2 is a highly integrated battery stack monitor designed for electric vehicles and energy storage systems. Key features include:
1. Cell Voltage Measurement: Monitors up to 12 series-connected lithium-ion cells with a wide input voltage range.
2. Accuracy: Offers high precision with a typical measurement accuracy of ±0.5 mV.
3. Temperature Monitoring: Supports temperature measurement of up to 4 external thermistors for enhanced thermal management.
4. Isolated Communication: Integrates a high-speed, isolated communication interface for daisy-chaining multiple devices.
5. Low Power Consumption: Features low quiescent current for extended battery life.
6. Integrated Cell Balancing: Provides cell balancing options to optimize battery performance and longevity.
7. Flexible Configuration: Supports multiple configurations and can be used in various applications, including industrial and automotive sectors.
8. Fault Tolerance: Built-in diagnostics for fault detection and self-checking capabilities.
These features make the LTC6804HG-2 a versatile choice for precise battery monitoring and management in complex systems.
1. Cell Voltage Measurement: Monitors up to 12 series-connected lithium-ion cells with a wide input voltage range.
2. Accuracy: Offers high precision with a typical measurement accuracy of ±0.5 mV.
3. Temperature Monitoring: Supports temperature measurement of up to 4 external thermistors for enhanced thermal management.
4. Isolated Communication: Integrates a high-speed, isolated communication interface for daisy-chaining multiple devices.
5. Low Power Consumption: Features low quiescent current for extended battery life.
6. Integrated Cell Balancing: Provides cell balancing options to optimize battery performance and longevity.
7. Flexible Configuration: Supports multiple configurations and can be used in various applications, including industrial and automotive sectors.
8. Fault Tolerance: Built-in diagnostics for fault detection and self-checking capabilities.
These features make the LTC6804HG-2 a versatile choice for precise battery monitoring and management in complex systems.
Pinout
The LTC6804HG-2 is a multi-cell battery monitor from Analog Devices, featuring a total of 16 pins. Its primary functions include monitoring the voltage of up to 12 series-connected cells, providing cell balancing, and communicating with external devices via an SPI interface. Key pins include:
1. CELL1 to CELL12: Inputs for each cell voltage.
2. VC: Reference voltage input.
3. REF: Internal reference voltage output.
4. COM: Common ground connection.
5. SCK, SDO, SDI, CS: SPI communication pins for data transfer.
6. ALERT: An output pin for fault or status indication.
7. BATT: Battery connection for monitoring.
The LTC6804HG-2 is used in battery management systems for electric vehicles, renewable energy systems, and industrial applications, ensuring safe and efficient operation of battery packs.
1. CELL1 to CELL12: Inputs for each cell voltage.
2. VC: Reference voltage input.
3. REF: Internal reference voltage output.
4. COM: Common ground connection.
5. SCK, SDO, SDI, CS: SPI communication pins for data transfer.
6. ALERT: An output pin for fault or status indication.
7. BATT: Battery connection for monitoring.
The LTC6804HG-2 is used in battery management systems for electric vehicles, renewable energy systems, and industrial applications, ensuring safe and efficient operation of battery packs.
Manufacturer
The LTC6804HG-2 is manufactured by Analog Devices, Inc. (ADI), a prominent American company known for its expertise in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices specializes in designing and producing a wide range of semiconductor products and solutions used across various industries, including automotive, communications, consumer electronics, industrial automation, and healthcare.
The LTC6804 series, including the LTC6804HG-2, is specifically designed for battery management systems, particularly in electric vehicles and energy storage systems. It provides precision voltage measurements, supports multiple cell configurations, and enhances the safety and efficiency of battery operation. Analog Devices is recognized for its innovation, quality, and reliability in delivering cutting-edge technology that meets the demands of modern electronic applications.
The LTC6804 series, including the LTC6804HG-2, is specifically designed for battery management systems, particularly in electric vehicles and energy storage systems. It provides precision voltage measurements, supports multiple cell configurations, and enhances the safety and efficiency of battery operation. Analog Devices is recognized for its innovation, quality, and reliability in delivering cutting-edge technology that meets the demands of modern electronic applications.
Application
The LTC6804HG-2 is a highly integrated battery monitoring and balancing IC primarily used in electric vehicles (EVs), energy storage systems, and battery management systems (BMS). Its application areas include monitoring the voltage of individual battery cells in multi-cell configurations, ensuring safety and efficiency in battery operation. It also features cell balancing capabilities, which enhance battery life and performance. Additional applications are found in renewable energy systems, uninterruptible power supplies (UPS), and portable electronic devices, where precise battery management is critical for performance and longevity.
Package
The LTC6804HG-2 is provided in a 28-lead TSSOP (Thin Shrink Small Outline Package) package type.
