TLE9872QXA40

概要

MOTIX™ TLE9872QXA40 is cost- and performance-optimized solution for BLDC wiper applications

The TLE9872QXA40 is part of the MOTIX™ TLE987x product family. It is a single chip 3-Phase motor driver that integrates the industry standard Arm® Cortex®-M3 core, enabling the implementation of advanced motor control algorithms such as field-oriented control. It includes six fully integrated NFET drivers optimized to drive a 3-Phase motor via six external power NFETs, a charge pump enabling low voltage operation and programmable current along with current slope control for optimized EMC behavior. Its peripheral set includes a current sensor, a successive approximation ADC synchronized with the capture and compare unit for PWM control and 16-bit timers. A LIN transceiver is also integrated to enable communication to the device along with a number of general purpose I/Os. It includes an on-chip linear voltage regulator to supply external loads. 

It is a highly integrated AEC-Q 100 Grade 0 automotive qualified device enabling cost and space efficient solutions for mechatronic BLDC motor drive applications such as wipers.

Summary of Features:

  • Six current programmable Drivers with charge pump for N-Channel MOSFET
  • Integrated LIN transceiver compatible with LIN 2.2 and SAEJ2602
  • Two Full duplex serial interface (UART) with LIN support
  • Two Synchronous serial channel (SSC)
  • On-chip OSC and PLL for clock generation
  • One high voltage monitoring input with wake up functionality
  • High speed operational amplifier for motor current sensing via shunt
  • Measurement unit:
    • 8-bit ADC module with 10 multiplexed inputs
    • 10-bit ADC module with 8 multiplexed inputs, 5 external Analog inputs
    • On chip temperature and battery voltage measurement unit
  • Increased Temperature Shutdown supports operation up to Tjmax = 150 °C
  • Independent Programmable window watchdog
  • 5V/1.5V Internal supplies
  • External Supply (VDDEXT): 5V+/-2% @ 20mA
  • Power saving modes:
    • MCU slow-down Mode
    • Sleep Mode
    • Stop Mode
    • Cyclic wake-up Sleep Mode

 

Features of the Microcontroller:

  • 32 bit Arm® Cortex®-M3 Core, up to 40 MHz clock frequency
  • 256 kByte flash memory for code and data
  • 32 kByte Boot ROM memory in code space (used for boot code and IP storage)
  • 8 kByte RAM memory
  • Harvard architecture
  • Thumb®-2 Instruction Set and hardware divide and multiplication unit
  • Four 16-Bit timers
  • Capture/compare unit for PWM signal generation (CCU6) with 2 x 16-bits timers

General Characteristics:

  • Operating supply voltage Vs=5.5 to 28V, maximum rating 40V
  • Extended operating range Vs=3.0 to 28V, MCU / Flash fully functional
  • ESD performance :
    • up to 2kV / handling on all pins
    • 4kV @ HV inputs
    • 6kV @ LIN pin
  • Overvoltage device clamp (load dump ruggedness) up to 40V
  • Wide operating temperature range: Tj:-40°C up to 150°C

 

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