Overview
The LT8584IFE#PBF, produced by Analog Devices Inc., is a monolithic flyback DC/DC converter designed to actively balance high voltage stacks of batteries. This component integrates a high-efficiency switching converter, eliminating the need for complicated biasing schemes often required for external power switches. It is particularly suited for use in battery management systems, offering advanced features such as system telemetry and seamless integration with the LTC680x family of battery stack voltage monitoring ICs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Average Input Range | VSNS | 18.7 | 19 | 19.3 | V |
| Handshake Voltage Error | VMODE1 = 0.2V, VMODE2 = 0.4V, VMODE3 = 0.6V, VMODE4 = 0.8V | -13 | - | 13 | mV |
| Temperature Coefficient (TC) | Note 7, °K = (VCELL – VTEMP)/TC | - | 2 | - | mV/°K |
| OUT Pin Clamp Voltage | 10mA Sourced from Pin | 1.53 | 1.6 | - | V |
| OUT Pin Amplifier Load Regulation | IOUT = 10µA to 1mA | 0 | - | 0.4 | %/mA |
| Typical Average Cell Discharge Current | - | - | 2.5A | - | A |
| Integrated Power Switch | - | - | 6A, 50V | - | - |
| Operating Temperature Range | - | -40°C | - | 125°C | °C |
| Storage Temperature Range | - | -65°C | - | 150°C | °C |
Key Features
- High Efficiency Switching Converter: The LT8584 features a high-efficiency switching converter, reducing the need for complicated biasing schemes for external power switches.
- System Telemetry: Provides current and temperature monitoring when used with the LTC680x family of battery stack voltage monitoring ICs.
- Low Quiescent Current: Consumes less than 20nA of total quiescent current when disabled.
- Integrated Power Switch: Includes a 6A, 50V integrated power switch.
- Seamless Integration with LTC680x: Designed to work seamlessly with the LTC680x family of battery stack voltage monitoring ICs.
Applications
- Battery Management Systems (BMS): Ideal for balancing high voltage stacks of batteries in various BMS applications.
- Electric Vehicles (EVs): Suitable for use in EV battery packs to ensure balanced and efficient battery operation.
- Renewable Energy Systems: Can be used in renewable energy storage systems to maintain battery health and efficiency.
- Industrial Battery Systems: Applicable in industrial settings where high voltage battery stacks need active balancing.
Q & A
- What is the primary function of the LT8584?
The LT8584 is a monolithic flyback DC/DC converter designed to actively balance high voltage stacks of batteries.
- What is the typical average cell discharge current of the LT8584?
The typical average cell discharge current is 2.5A.
- What is the operating temperature range of the LT8584IFE#PBF?
The operating temperature range is from -40°C to 125°C.
- How does the LT8584 integrate with the LTC680x family of ICs?
The LT8584 is designed to work seamlessly with the LTC680x family of battery stack voltage monitoring ICs, providing system telemetry including current and temperature monitoring.
- What is the quiescent current consumption when the LT8584 is disabled?
The quiescent current consumption is less than 20nA when the LT8584 is disabled.
- What type of power switch is integrated into the LT8584?
The LT8584 includes a 6A, 50V integrated power switch.
- What are the common applications of the LT8584?
Common applications include battery management systems, electric vehicles, renewable energy systems, and industrial battery systems.
- What is the storage temperature range for the LT8584IFE#PBF?
The storage temperature range is from -65°C to 150°C.
- How does the LT8584 improve battery efficiency?
The LT8584 improves battery efficiency through its high-efficiency switching converter and active cell balancing capabilities.
- What package type is the LT8584IFE#PBF available in?
The LT8584IFE#PBF is available in a 16-lead plastic TSSOP package.
