This is the application note of L6235 three phase brushless DC motor driver, which introduces the features and characteristics of the product.
The document provides an in-depth guide on designing applications using the L6235, a fully integrated mixed-signal power IC specifically developed to drive a wide range of BLDC motors with Hall effect sensors. It details the internal architecture including six Power DMOS transistors and centralized logic for sensor decoding.
Key topics covered include current and voltage ratings, layout considerations for PCB design, charge pump circuitry, reference voltages, input logic configurations, over-current detection mechanisms, power management strategies, decoding logic, tacho output performance, and braking functions. The note also includes practical application examples and information on evaluation boards.
| Maximum output current (Peak) | 5.6 A |
|---|---|
| Supply voltage operating range | 8 to 52 V |
| Under Voltage Lock Out threshold | 6 V |
| Integrated DMOS breakdown voltage | 60 V |
| Charge pump switching frequency | 600 kHz |
The L6235 is specifically developed to drive a wide range of BLDC motors with Hall effect sensors.
The device requires a single supply voltage (Vs) with an operating range from 8 to 52 V.