STK822 datasheet by STMicroelectronics

STK822 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the STK822?
  The recommended operating voltage range for the STK822 is 4.5V to 5.5V, with a typical voltage of 5V.
• How do I ensure reliable operation of the STK822 in high-temperature environments?
  To ensure reliable operation in high-temperature environments, it is recommended to use a heat sink and ensure good thermal conductivity between the device and the heat sink. Additionally, the device should be operated within the recommended temperature range of -40°C to 125°C.
• What is the maximum current that the STK822 can handle?
  The maximum current that the STK822 can handle is 2A per channel, with a total current limit of 4A for the entire device.
• How do I configure the STK822 for use with a specific motor type?
  The STK822 can be configured for use with different motor types by adjusting the internal resistance and inductance values. This can be done through the use of external resistors and inductors, or by using the device's built-in configuration registers.
• What is the purpose of the internal voltage regulator on the STK822?
  The internal voltage regulator on the STK822 is used to generate a stable 5V supply voltage for the device's internal logic and gate drivers. This allows the device to operate from a single external power supply voltage.