Overview
The VB027SPTR-E, produced by STMicroelectronics, is a high voltage power integrated circuit designed using the VIPower™ technology. This device is specifically tailored for automotive applications, particularly in advanced electronic ignition systems. It features a vertical current flow power Darlington and a logic level compatible driving circuit, making it an ideal choice for high voltage, high current interfaces. The VB027SPTR-E is built with built-in protection circuits for coil current limiting and collector voltage clamping, ensuring robust and reliable operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector Voltage (Vcl) | Internally limited, typically 360 V | V |
| Collector Current (Icl) | Internally limited, typically 9 A | A |
| Driving Stage Supply Voltage (Vd) | 4.5 - 5.5 | V |
| Power-on Supply Current (Id(on)) | 130 mA | mA |
| 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
- ECOPACK®: Lead-free and RoHS compliant
- Automotive Grade: Compliance with AEC guidelines
- Primary coil voltage internally set
- Coil current limit internally set
- Logic level compatible input
- Driving current quasi-proportional to collector current
- Double flag-on coil current diagnostic
- Built-in protection circuit for coil current limiting and collector voltage clamping
- Overtemperature protection circuit
Applications
The VB027SPTR-E is primarily used in advanced electronic ignition systems in automotive applications. It interfaces directly with high energy electronic ignition coils and is driven by a logic level input from an external controller. This device is suitable for systems requiring high voltage and high current switching, such as ignition systems in vehicles.
Q & A
- What is the typical collector voltage of the VB027SPTR-E?
The typical collector voltage (Vcl) is internally limited, typically around 360 V.
- What is the maximum collector current of the VB027SPTR-E?
The maximum collector current (Icl) is internally limited, typically around 9 A.
- What is the operating temperature range of the VB027SPTR-E?
The junction operating temperature range is -40 to 150 °C.
- Is the VB027SPTR-E RoHS compliant?
- How does the overtemperature protection work in the VB027SPTR-E?
The overtemperature protection circuit shifts the first diagnostic current level down by about 1 A when the temperature exceeds 125 °C, allowing the microcontroller to take corrective actions.
- What type of package is the VB027SPTR-E available in?
The VB027SPTR-E is available in the PowerSO-10 package.
- Can the VB027SPTR-E withstand voltage transients?
- How does the diagnostic signal work in the VB027SPTR-E?
The diagnostic signal is turned high when the collector current exceeds 4.5 A and remains high until the current reaches 5.8 A, then it turns low.
- What is the purpose of the built-in protection circuit in the VB027SPTR-E?
The built-in protection circuit is for coil current limiting and collector voltage clamping, ensuring the device can handle high voltage and high current conditions safely.
- Is the VB027SPTR-E suitable for automotive applications?
