Overview
The BD14000EFV-CH2, produced by ROHM Semiconductor, is a Cell Balance LSI designed for automotive applications. This integrated circuit (IC) is specifically tailored for balancing electric double layer capacitors (EDLC) and power storage capacitors. It integrates all necessary functions for cell balancing, making it a self-controlled solution for managing 4 to 6 series-connected cells. The IC is AEC-Q100 qualified, ensuring it meets stringent automotive standards for reliability and performance.
Key Specifications
| Parameter | Value |
|---|---|
| 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 mm (t=1) |
| Common Standard | AEC-Q100 (Automotive Grade) |
Key Features
- AEC-Q100 qualified for automotive applications
- All EDLC cell balancer functions integrated on a single chip
- Self-controlled EDLC balance function
- Adopts shunt resistance method for simple balancing
- Supports 4 to 6 cell series connection
- Multiple chip series connection is possible
- Built-in over-voltage detection flag output
- Detection voltage can be set
Applications
The BD14000EFV-CH2 is primarily used in automotive systems for managing electric double layer capacitors (EDLC) and power storage capacitors. It is suitable for applications requiring reliable and efficient cell balancing, such as hybrid and electric vehicles, automotive power systems, and other high-reliability automotive electronics.
Q & A
- What is the BD14000EFV-CH2 used for? The BD14000EFV-CH2 is used for balancing electric double layer capacitors (EDLC) and power storage capacitors in automotive applications.
- What is the supply voltage range of the BD14000EFV-CH2? The supply voltage range is from 8 V to 24 V.
- What is the cell voltage detection range of the BD14000EFV-CH2? The cell voltage detection range is from 2.4 V to 3.1 V.
- What is the operating temperature range of the BD14000EFV-CH2? The operating temperature range is from -40 °C to 105 °C.
- Is the BD14000EFV-CH2 AEC-Q100 qualified? Yes, the BD14000EFV-CH2 is AEC-Q100 qualified for automotive applications.
- How many cells can the BD14000EFV-CH2 balance? The BD14000EFV-CH2 can balance 4 to 6 series-connected cells.
- What method does the BD14000EFV-CH2 use for balancing? The BD14000EFV-CH2 uses the shunt resistance method for balancing.
- Does the BD14000EFV-CH2 have built-in over-voltage detection? Yes, the BD14000EFV-CH2 has built-in over-voltage detection flag output.
- Can multiple BD14000EFV-CH2 chips be connected in series? Yes, multiple BD14000EFV-CH2 chips can be connected in series.
- What package type is the BD14000EFV-CH2 available in? The BD14000EFV-CH2 is available in a HTSSOP-B30 package.
