MLX81200 Datasheet, PDF (1/15 Pages) Melexis Microelectronic Systems – BLDC Motor Controller

MLX81200
BLDC Motor Controller
Features
MelexCM DUAL RISC CPU
o MLX4 communication CPU
o LIN transceiver, supporting of LIN 2.0, LIN protocol software provided by Melexis
o Software update for J2602 or GM-LAN possible
o Wake up by LIN traffic or local sources
o MLX16 application CPU
o 16bit RISC-CPU with 5MIPS
o hardware multiplication in one instruction cycle
o C-programmable
o Memories
o 2kbyte shared RAM
o 30kbyte shared Flash with EEC, programmable through LIN pins
8kbytes for communication CPU, 22kbytes for application CPU
o 128bytes emulated EEPROM
Motor Control Unit
o Support of sensor less 3-phase sine and trapezoidal motor control
o Support of sensor based motor control
o Pre-driver for 3 all N-FET half bridges (~25Ω Rdson) with several protection features
Voltage Regulator
o Direct powered from 12V board net with low voltage detection
o Operating voltage V_S = 6V to 18V
o Internal voltage regulator, possibility to put an external bypass transistor for higher
temperature requirements
o Very low standby current, < 50µA in sleep mode
Periphery
o Full duplex SPI: Master/Slave, double buffered, speed programmable from 10kHz to 8MHz
o 3 independent 16bit timer modules with capture and compare
o 3 programmable 8bit PWM units with base frequency of 50Hz to 100kHz
o 10bit ADC converter (5µs conversion time)
o On chip over-temperature shut-off
o Digital watchdog on MelexCM and independent analog watchdog on analog IC
o On chip RC oscillator
o Switchable supply output for external sensors
Additional Features
o In-circuit debug and emulation
o Jump start and 40V load dump protected
MLX81200 Product Abstract
Page 1 of 15
June/2012
Rev 2.4