MLX81205/07/10/15
Features
Microcontroller: MLX16-FX RISC CPU
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16 bit RISC CPU with 20DMIPS and Power-Saving-Modes
Co-processor for fast multiplication and division
Flash and EEPROM memory with EEC
In-circuit debug and emulation
Supported bus interfaces:
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LIN-Interface with integrated LIN transceiver supporting LIN 2.x, certified LIN protocol
software provided by Melexis
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In-Module-Programming (Flash and EE) via pin LIN using a special Melexis fast protocol
PWM-Interface
Full duplex SPI, Master/Slave, double-buffered, speed programmable. DMA access. Flash
and EEPROM programming also possible via SPI.
TruSense Motor Control Technology
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Patented algorithms for sensor-less 3-phase sine and trapezoidal motor control
Phase voltage integration filter for BEMF voltage sensing at lowest speeds
Position dependent phase inductance sensing via shunt current measurements at stand still
and low to medium speeds
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Support of Star and Delta based motor configurations without the need for center star point
Support of 3-phase switched reluctance motor control
Voltage Regulator
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Direct powered from 12V board net with low voltage detection
Operating voltage VS = 5V to 18V
Internal voltage regulator with possibility to use external regulator transistor
Very low standby current, < 30µA in sleep mode, wake-up possible via LIN or local sources
Pre-Driver
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Pre-driver (~25Ω Rdson) for all 3 N-FET half bridges with programmable Inter-Lock-Delay
and slope control for optimal EMC and thermal performance during power N-FET switching
Monitoring of Drain-Source voltages of the N-FETs
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Periphery
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4 independent 16 bit timer modules with capture and compare, and additional software
timer
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3 programmable 12 bit PWM units with programmable frequencies
10 bit ADC converter (2µs conversion time) and DMA access
On-chip temperature sensor with ±10K accuracy
System-clock-independent fully integrated watchdog
32 MHz ±5% internal RC oscillator with PLL
Optional crystal oscillator
Load dump and brown out interrupt function
Integrated shunt current amplifier with programmable gain
Product Abstract
TFR / CPA
Page 1 of 18
Rev 3.9
11-May-2012