Overview
The BD14000EFV-CE2 is a Large Scale Integration (LSI) IC designed by ROHM Semiconductor as a self-controlled cell balancer. This chip is specifically tailored for balancing power storage element cells, particularly in automotive applications. It integrates all necessary functions for cell balancing, making it a comprehensive solution for electric double layer capacitors (EDLC) and other power storage capacitors. The BD14000EFV-CE2 supports cell configurations of 4 to 6 series and features a shunt-type balancer function, ensuring efficient and reliable cell balancing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Min.) | 8 | V |
| Supply Voltage (Max.) | 24 | V |
| ON Resistance | 1 | mΩ |
| Cell Voltage Detection (Min.) | 2.4 | V |
| Cell Voltage Detection (Max.) | 3.1 | V |
| Operating Temperature (Min.) | -40 | °C |
| Operating Temperature (Max.) | 105 | °C |
| Package Size | 10x7.6 (t=1) | mm |
| Common Standard | AEC-Q100 (Automotive Grade) | |
| Operating Supply Current | 40 | µA |
| Output Current | 10 | mA |
Key Features
- AEC-Q100 qualified, ensuring automotive-grade reliability.
- All EDLC cell balancer functions integrated on a single chip for simplicity and efficiency.
- Self-controlled EDLC balance function for autonomous operation.
- Adopts shunt resistance method for simple and effective balancing.
- Supports 4 to 6 cell series connections and multiple chip series connections.
- Built-in over-voltage detection flag output for enhanced safety.
- Detection voltage can be set according to application requirements.
Applications
The BD14000EFV-CE2 is primarily designed for automotive applications, particularly in systems that utilize electric double layer capacitors (EDLC) and other power storage capacitors. It is suitable for various automotive power storage systems, including those in hybrid and electric vehicles, as well as in other industrial applications requiring reliable cell balancing.
Q & A
- What is the primary function of the BD14000EFV-CE2?
The BD14000EFV-CE2 is designed as a self-controlled cell balancer for power storage element cells, particularly in automotive applications.
- What is the cell voltage detection range of the BD14000EFV-CE2?
The cell voltage detection range is from 2.4V to 3.1V.
- What is the operating temperature range of the BD14000EFV-CE2?
The operating temperature range is from -40°C to 105°C.
- Is the BD14000EFV-CE2 AEC-Q100 qualified?
- What type of balancing method does the BD14000EFV-CE2 use?
The BD14000EFV-CE2 adopts the shunt resistance method for cell balancing.
- Can the detection voltage be set on the BD14000EFV-CE2?
- What is the package size of the BD14000EFV-CE2?
The package size is 10x7.6 mm (t=1 mm).
- What is the maximum output current of the BD14000EFV-CE2?
The maximum output current is 10 mA.
- Is the BD14000EFV-CE2 suitable for multiple cell series connections?
- Does the BD14000EFV-CE2 have built-in over-voltage detection?
