Note: Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.
The MCPC029 device is used in sensorless or sensored 3-phase BLDC motor control. The driver provides a high performance, high-reliability, flexible solution for appliances, fans, pumps, residential and living fans and blowers. The following section shows a common application of the MCPC029 device.
Figue 7-3 to Figure 7-7 show the typical schematic of MCPC029 based motor control applications. The other features implemented are as below:
- VDD (3.3 V) power supply internally generated via LDO linear regulator
- Overcurrent protection using internal comparators connected to internal PGA output.
- Current sensing using internal PGA and ADCs
- Bus voltage monitoring using internal ADC
- Application temperature monitoring using internal ADC
- Figure 7-3 shows an application example using MCPC028 device to drive a 3-phase BLDC motor with three shunt configuration and sensorless InstaSPIN-FOC algorithm with three-phase voltage sensing.
- Figure 7-4 shows an application example using MCPC028 device to drive a 3-phase BLDC motor with single shunt configuration and sensorless InstaSPIN-FOC algorithm with three-phase voltage sensing.
- Figure 7-5 shows an application example using MCPC028 device to drive a 3-phase BLDC motor with three shunt configuration and typical sensorless FOC algorithm without three-phase voltage sensing.
- Figure 7-6 shows an application example using MCPC028 device to drive a 3-phase BLDC motor with single shunt configuration and typical sensorless FOC algorithm without three-phase voltage sensing.
- Figure 7-7 shows an application example using MCPC028 device to drive a 3-phase BLDC motor with three shunt configuration and hall sensor based FOC algorithm without three-phase voltage sensing.