Datasheet > MLX81205_17

MLX81205_17

更新时间： 2024-11-12 01:11:31

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
17页	1089K
描述
TruSense BLDC Motor Controller

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数据手册

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MLX81205_17 数据手册

Product Abstract

MLX81205/07

TruSense BLDC Motor Controller

Features

Microcontroller: MLX16-FX RISC CPU

16bit RISC CPU with 20MIPS and Power-Saving-Modes

Co-processor for fast multiplication and division

Flash and NVRAM memory with ECC

In-circuit debug and emulation support

Supported Bus Interfaces:

LIN interface with integrated LIN transceiver supporting LIN 2.x, certified LIN protocol software provided by Melexis

In-Module programming (Flash and NVRAM) via pin LIN using a special Melexis fast protocol

PWM interface

Motor Controller

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

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

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, < 50µA in sleep mode, wake-up possible via LIN or local sources

Pre-Driver

Pre-driver (~27 Rdson) for 3 N-FET half bridges with programmable Inter-Lock-Delay

Monitoring of Drain-Source voltages of the N-FETs

Periphery

Full duplex SPI, Master/Slave, double-buffered, programmable speed, DMA access.

Full duplex UART

4 independent 16 bit timer modules with capture and compare and additional software timer

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

40MHz clock from internal RC oscillator with PLL

Load dump and brown out interrupt function

Integrated shunt current amplifier with programmable gain

Applications

The MLX81205/07 are designed to control BLDC motors via external FET transistors for applications like oil pumps, water

pumps, fuel pumps, blowers, compressors, and positioning actuators.

390108120502

REV. 4.8

Page 1 of 17

MAY 2017

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