X-NUCLEO-OUT02A1 Series
Industrial digital output expansion board based on ISO8200AQ for STM32 Nucleo
Manufacturer: STMicroelectronics
Catalog
Industrial digital output expansion board based on ISO8200AQ for STM32 Nucleo
Key Features
• Based on the ISO8200AQ whose main characteristics are:
- Embedded 4kV galvanic isolation
- Radio frequency communication between the logic and process sides for maximum noise immunity
- Very low power dissipation (RON(MAX)= 220 mΩ)
- Fast decay for inductive loads
- 20 MHz SPI I/F on logic side
- VCCpower good diagnostics
- Overload and overheating protections with thermal shutdown and diagnostics
- QFN-32L (9x11x1 mm) package
Description
AI
The STEVAL-IFP015V2 demonstration board works in combination with the STEVAL-PCC009V2 or STEVAL-PCC009V1 interface board to allow evaluation of all the features of the ISO8200B device. A large GND area on the printed circuit board has been designed to minimize noise effects and ensure good thermal performance.
The ISO8200B is a galvanic isolated 8 channel driver featuring a very low supply current. It contains 2 independent galvanic isolated voltage domains (VCCfor the power stage and VDDfor the digital stage). The IC is intended to drive any type of load with one side connected to ground. Active channel current limitation combined with thermal shutdown, independent for each channel, and automatic restart protect the device against overload. Additional embedded functions are: loss of GND protection which automatically turns off the outputs in case of analog ground, undervoltage shutdown with hysteresis, and reset function for immediate power output shutdown.
Built-in thermal shutdown protects the chip against overtemperature and short-circuit. In overload condition, the channel turns off, then back on automatically after the IC temperature has decreased below a reset threshold. If this condition causes the case temperature to reach the TCR limit, the overloaded channel is turned off and will restart only when case and junction temperature have decreased down to the reset threshold. Non overloaded channels continue to operate normally.
An internal circuit provides an OR-wired non latched common FAULT indicator signaling channel OVT. The FAULT pin is an open-drain active-low fault indication pin.