Overview
The VB525SP-E is a high voltage power integrated circuit designed by STMicroelectronics using their VIPower™ M1-3 technology. This device is specifically tailored for use in advanced electronic ignition systems, offering a robust and intelligent interface between the control logic and the high energy ignition coil. It features Darlington and logic level compatible vertical current flow power driving circuits, making it suitable for demanding automotive and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector Voltage (internally limited) | -0.3 to Vclamp | V |
| Collector Current (internally limited) | 10 | A |
| DC Current on Emitter Power Ground | ±10.5 | A |
| Driving Stage Supply Voltage | -0.3 to 7 | V |
| Driving Circuitry Supply Current | ±200 | mA |
| Input Voltage | -0.3 to VCC + 0.3 | V |
| Maximum Input Current | 100 | mA |
| Logic Input Frequency in Operative Mode | DC to 150 | Hz |
| Power Dissipation (Tc = 25 °C) | 125 | W |
| Operating Junction Temperature | -40 to 150 | °C |
| Storage Temperature Range | -55 to 150 | °C |
Key Features
- ECOPACK®: lead free and RoHS compliant
- Primary coil voltage internally set
- Coil current limit internally set
- Logic level compatible input
- Driving current quasi proportional to collector current
- Single flag on coil current
- Low voltage clamp thermal shutdown
- Built-in protection circuit for coil current limiting and collector voltage clamping
- Able to withstand various battery line transients
Applications
The VB525SP-E is primarily designed for use in advanced electronic ignition systems, particularly in automotive and industrial applications where high voltage and high current switching are required. It interfaces directly with high energy electronic ignition coils and is controlled by a logic level input from an external controller, making it suitable for systems that require precise control over ignition timing and dwell time.
Q & A
- What is the VB525SP-E used for?
The VB525SP-E is used as a high voltage power switch in advanced electronic ignition systems.
- What technology is the VB525SP-E based on?
The VB525SP-E is based on STMicroelectronics' VIPower™ M1-3 technology.
- What is the maximum collector voltage of the VB525SP-E?
The maximum collector voltage is internally limited to -0.3 to Vclamp volts.
- What is the maximum collector current of the VB525SP-E?
The maximum collector current is internally limited to 10 amps.
- How does the VB525SP-E protect against overheating?
The device features a low voltage clamp thermal shutdown, which forces the collector current to smoothly decrease to avoid overheating.
- What are the thermal specifications of the VB525SP-E?
The operating junction temperature range is -40 to 150 °C, and the storage temperature range is -55 to 150 °C.
- How does the VB525SP-E handle input signals?
The input VIN is fed from a low power signal generated by an external controller, and it determines both dwell time and ignition point.
- What kind of protection does the VB525SP-E offer against transients?
The device can withstand various battery line transients, including -100 V / 2 msec, +100 V / 0.2 msec, and +50 V / 400 msec.
- What is the package type of the VB525SP-E?
The VB525SP-E comes in a PowerSO-10 package.
- Is the VB525SP-E environmentally friendly?
Yes, the VB525SP-E is ECOPACK® compliant, meaning it is lead free and RoHS compliant.
