Embedded motor controller applies to EV and HEV thermal systems
TDK has developed an embedded motor controller with 2A peak current for driving brushless DC (BLDC) and brush DC (BDC) motors in automotive and industrial applications.
The HVC 5223C is the latest member of the Micronas HVC family. As well as hybrid and electric vehicle (EV/HEV) thermal systems, it is suitable for use in automotive actuators, small fans and pumps and passenger climate systems.
The automotive grade 1 qualified, integrated motor controller is delivered in a compact 5.0 x 5.0mm2 24-pin QFN package. It is functionally and pin compatible with the HVC 5222C which has a peak current of 1A.
The HVC 5223C devices has motor-specific analogue and digital functions, such as phase comparators and a virtual star point. It also has a current sense amplifier to enable sensor-based and sensorless control of a single BLDC or up to two BDC motors and driving of various other loads.
The HVC family, including HVC 4x and HVC 5x, now consists of seven fully integrated motor controllers with three to six motor outputs capable of delivering from 500mA to 2A of peak currents. All devices feature a 32bit Arm Cortex-M3 CPU core and 32kbyte or 64kbyte flash memory options. They all also have a 12-bit, one micro second ADC for various measurements, for applications where sensing is required. They are also equipped with a LIN transceiver and UART for communications and auto-addressing using the BSM (bus shunt method).
All HVC devices are automotive qualified according to AEC-Q100 for temperature Grade 1, making them suitable for compact automotive actuator applications primarily targeted at HEV/EV thermal systems, advised TDK. The AEC-Q100 qualification ensures that the HVC 5223C meets quality and reliability standards required for automotive and industrial applications.
Samples are now available for customer evaluation.
