L6201P datasheet by STMicroelectronics

L6201P Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the L6201P?
  The maximum operating frequency of the L6201P is 100 kHz, but it can be operated up to 200 kHz with reduced performance.
• How do I choose the right sense resistor value for my application?
  The sense resistor value depends on the maximum current you want to measure and the voltage drop you can afford. A good starting point is to choose a value that gives a voltage drop of around 0.5-1V at the maximum current. You can use the formula Rsense = 0.5V / Imax to get an approximate value.
• What is the purpose of the bootstrap capacitor (CBOOT) and how do I choose its value?
  The bootstrap capacitor (CBOOT) is used to generate the high-side gate drive voltage. The value of CBOOT depends on the operating frequency, output current, and the voltage rating of the capacitor. A good starting point is to choose a value of 10-22nF for most applications.
• How do I protect the L6201P from overcurrent and overheating?
  You can use the built-in overcurrent protection (OCP) feature of the L6201P by connecting a resistor (Rocp) between the OCP pin and ground. The value of Rocp depends on the maximum current you want to allow. Additionally, you can use thermal monitoring and shutdown circuits to protect the device from overheating.
• What is the minimum input voltage required for the L6201P to operate?
  The minimum input voltage required for the L6201P to operate is 8.5V, but it's recommended to use a minimum of 10V to ensure proper operation and to account for voltage drops in the system.