Overview
The VN808-E and VN808-32-E, produced by STMicroelectronics, are monolithic octal channel high-side drivers realized in the VIPower M0-3 technology. These devices are designed to drive any kind of load with one side connected to ground, making them particularly suitable for industrial applications conforming to IEC 61131. They feature advanced protection mechanisms, including active current limitation, thermal shutdown, and automatic restart, ensuring robust operation under various conditions.
Key Specifications
| Symbol | Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCC | Operating supply voltage | 10.5 | 45 | V | |
| RDS(on) | On-state resistance | 150 | 280 | mΩ | |
| IOUT | DC Output Current | Internally limited | A | ||
| IOUT (VN808-E) | DC Output Current per channel | 0.7 | A | ||
| IOUT (VN808-32-E) | DC Output Current per channel | 1 | A | ||
| TJ | Junction Operating Temperature | Internally limited | °C | ||
| Tc | Case Operating Temperature | Internally limited | °C | ||
| TSTG | Storage Temperature | -40 | 150 | °C | |
| PTOT | Power dissipation at Tc = 25°C | 10 | W | ||
| EAS | Single pulse Avalanche Energy per channel | 1.15 | J |
Key Features
- VCC/2 compatible input: Ensures compatibility with a wide range of input signals.
- Junction overtemperature protection: Protects the device from overheating by turning off the channels and restarting them when the temperature drops.
- Case overtemperature protection: Provides thermal independence of the channels and ensures the device operates safely even in high-temperature conditions.
- Current limitation: Active current limitation combined with thermal shutdown and automatic restart to protect against overload.
- Short-circuit load protection: Protects the device from short-circuit conditions.
- Undervoltage shutdown: Automatically turns off the device in case of undervoltage conditions.
- Protection against loss of ground: Ensures the device turns off in case of ground pin disconnection.
- Very low standby current: Minimizes power consumption when the device is in standby mode.
- Compliance to IEC 61000-4-4: Meets the IEC standard for electromagnetic compatibility up to 4 kV.
Applications
The VN808-E and VN808-32-E are particularly suited for industrial applications, including:
- Industrial automation systems
- Motor control systems
- Power management in industrial equipment
- Compliance with IEC 61131 standards
Q & A
- What is the operating supply voltage range for the VN808-E and VN808-32-E?
The operating supply voltage range is from 10.5 V to 45 V.
- What is the maximum output current per channel for the VN808-E and VN808-32-E?
The VN808-E has a maximum output current of 0.7 A per channel, while the VN808-32-E has a maximum output current of 1 A per channel.
- What kind of thermal protection does the device offer?
The device offers junction overtemperature protection and case overtemperature protection, ensuring thermal independence of the channels.
- How does the device protect against short-circuit conditions?
The device features short-circuit load protection and active current limitation combined with thermal shutdown and automatic restart.
- What happens if the ground pin is disconnected?
The device automatically turns off in case of ground pin disconnection.
- What is the standby current of the device?
The device has a very low standby current.
- Does the device comply with any specific electromagnetic compatibility standards?
Yes, it complies with IEC 61000-4-4 up to 4 kV.
- What is the storage temperature range for the device?
The storage temperature range is from -40°C to 150°C.
- How does the Status pin indicate fault conditions?
The Status pin is an active high common open source output that indicates fault conditions such as junction overtemperature or case overtemperature.
- What are the typical applications for the VN808-E and VN808-32-E?
They are typically used in industrial automation systems, motor control systems, and power management in industrial equipment.
