Overview
The VB027(6)-E, produced by STMicroelectronics, is a high voltage power integrated circuit designed using the VIPower technology. This IC is primarily intended for use in high voltage applications, such as electronic ignition systems. It features a vertical current flow power Darlington and a logic level compatible driving circuit, making it suitable for advanced electronic ignition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector Voltage (Vcl) | 300 - 400 | V |
| Collector Current Limit (Icl) | 8 - 9 | A |
| Driving Stage Supply Voltage (Vd) | 4.5 - 5.5 | V |
| Input Voltage (VIN) | 0 - 10 | V |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
| Thermal Resistance Junction-Case (Rthj-case) | 1.12 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 62.5 | °C/W |
Key Features
- High Voltage Capability: The VB027(6)-E can handle high collector voltages up to 400V and collector currents up to 9A.
- Logic Level Compatible Input: The IC is driven by a logic level input, making it compatible with low power signal generators from external controllers.
- Current Limiting and Overvoltage Protection: Built-in protection circuits for coil current limiting and collector voltage clamping ensure safe operation.
- Diagnostic Outputs: The IC provides diagnostic output signals to monitor the collector current levels, enabling real-time monitoring and control.
- Overtemperature Protection: The device includes an overtemperature detection circuit to manage power dissipation and prevent overheating.
Applications
The VB027(6)-E is mainly used in high voltage applications such as:
- Electronic Ignition Systems: It is designed to interface directly with high energy electronic ignition coils in automotive and other high voltage ignition systems.
- High Voltage Power Switching: Suitable for applications requiring high voltage power switching and current control).
Q & A
- What is the primary function of the VB027(6)-E IC?
The VB027(6)-E is a high voltage power integrated circuit designed for use in electronic ignition systems and other high voltage applications).
- What is the maximum collector voltage the VB027(6)-E can handle?
The VB027(6)-E can handle collector voltages up to 400V).
- What is the maximum collector current limit of the VB027(6)-E?
The collector current limit is internally set to 8-9A).
- What type of input does the VB027(6)-E require?
The IC is driven by a logic level input, compatible with low power signal generators from external controllers).
- Does the VB027(6)-E have built-in protection circuits?
Yes, it includes protection circuits for coil current limiting and collector voltage clamping, as well as overtemperature detection).
- What are the diagnostic outputs of the VB027(6)-E used for?
The diagnostic outputs are used to monitor the collector current levels, enabling real-time monitoring and control).
- What is the operating temperature range of the VB027(6)-E?
The junction operating temperature range is -40°C to 150°C, and the storage temperature range is -55°C to 150°C).
- How does the overtemperature protection work in the VB027(6)-E?
The overtemperature protection circuit shifts the current level at which the first diagnostic is activated down to manage power dissipation and prevent overheating).
- Can the VB027(6)-E withstand voltage transients?
Yes, it can withstand various voltage transients, including -100V / 2ms and +100V / 0.2ms).
- What is the typical application of the VB027(6)-E in automotive systems?
In automotive systems, it is typically used in electronic ignition systems to interface directly with high energy ignition coils).
