Overview
The ISO8200BTR, produced by STMicroelectronics, is a galvanic isolated 8-channel driver designed for high reliability and robust performance in various industrial applications. This device features two independent galvanic isolated voltage domains, one for the power stage (Vcc) and one for the digital stage (Vdd), ensuring high isolation and safety. The ISO8200BTR is equipped with multiple protection mechanisms, including undervoltage shutdown, overvoltage protection, short-circuit protection, and thermal shutdown, making it suitable for driving a wide range of loads.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Power Supply Voltage (VCC) | -0.3 | 45 | V | |
| Digital Supply Voltage (Vdd) | -0.3 | 6.5 | V | |
| Output Current per Channel (IOUT) | 0.5 | 0.7 | A | |
| On-state Resistance (RDS(on)) at TJ = 25°C | 0.12 | 0.24 | Ω | |
| On-state Resistance (RDS(on)) at TJ = 125°C | 0.24 | Ω | ||
| Thermal Resistance, Junction-case | 1.3 | °C/W | ||
| Junction Operating Temperature | -40 | 125 | °C | |
| Storage Temperature | -55 | 150 | °C |
Key Features
- Galvanic isolation with two independent voltage domains (Vcc and Vdd)
- 8-channel high-side smart power solid-state relay
- Low supply current
- Parallel input interface with synchronous and direct control modes
- High common mode transient immunity
- Short-circuit protection and channel overtemperature protection
- Undervoltage shutdown with auto-restart and hysteresis
- Overvoltage protection (Vcc clamping)
- Common fault open-drain output
- 5 V and 3.3 V TTL/CMOS compatible I/Os
- Fast demagnetization of inductive loads
- Reset function for IC output disable
- ESD protection compliant with IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, and IEC 61000-4-8
- UL1577 certification
Applications
- Programmable logic control
- Industrial PC peripheral input/output
- Numerical control machines
- Drivers for all types of loads (resistive, capacitive, inductive)
Q & A
- What is the ISO8200BTR? The ISO8200BTR is a galvanic isolated 8-channel driver produced by STMicroelectronics, designed for industrial applications.
- What are the key protection mechanisms of the ISO8200BTR? The device features undervoltage shutdown, overvoltage protection, short-circuit protection, and thermal shutdown.
- What is the maximum output current per channel? The maximum output current per channel is 0.7 A.
- What are the operating temperature ranges for the ISO8200BTR? The junction operating temperature range is -40°C to 125°C, and the storage temperature range is -55°C to 150°C.
- Is the ISO8200BTR compliant with any safety standards? Yes, it is compliant with IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, and IEC 61000-4-8, and it has UL1577 certification.
- What types of loads can the ISO8200BTR drive? The ISO8200BTR can drive resistive, capacitive, and inductive loads.
- How does the synchronous control mode work? In synchronous control mode, the SYNC signal manages the synchronization between the low voltage side and the channel outputs on the isolated side, ensuring that all device outputs change simultaneously.
- What is the purpose of the FAULT pin? The FAULT pin is an open-drain active low fault indication pin that signals channel overtemperature or other fault conditions.
- Can the ISO8200BTR operate in direct control mode? Yes, the ISO8200BTR can operate in both direct control mode (DCM) and synchronous control mode (SCM).
- What is the thermal resistance of the ISO8200BTR? The thermal resistance, junction-case, is 1.3 °C/W.
