Freescale Drives Motor Control Efficiency with Intelligent Analog IC

  
    
  
  
    
      Freescale Semiconductor (NYSE:FSL)(NYSE:FSL.B) has introduced a 
      three-phase brushless DC (BLDC) motor driver integrated circuit (IC) 
      designed to help drive small motors reliably with reduced board space. 
      The MC34929 IC provides a cost-effective, small-footprint BLDC motor 
      driver solution for a variety of consumer, portable and office equipment 
      applications containing small motors.
    
    
      The single-chip MC34929 IC has built-in over-temperature, under-voltage 
      and stalled-rotor protection circuitry, making it ideal for small-motor 
      applications. The MC34929 operates efficiently with supply voltages from 
      8 V to 28 V and provides continuous motor drive current up to 1A.
    
    
      Designed with a built-in three-phase hall-effect sensors interface and a 
      hall sensors voltage supply, the MC34929 motor driver IC can operate 
      BLDC motors autonomously with a pushbutton or switch interface or under 
      the control of an external microcontroller (MCU), such as Freescale’s 
      8-bit MC9S08QG8CDTE MCU. Its state machine accommodates several modes of 
      operation, including clockwise, counterclockwise, run/stop, brake, 
      variable speed and torque current limit.
    
    
      “Freescale’s 
      MC34929 device provides sophisticated analog/mixed-signal integrated 
      functions that result in a highly flexible product that is adaptable and 
      configurable to its environment,” said Arman 
      Naghavi, vice president and general manager of Freescale’s 
      Analog, Mixed-Signal and Power Division. “It 
      allows designers to differentiate their products with functions such as 
      adjustable, autonomous and continuous modes.”
    
    
      Manufactured with Freescale’s proprietary 
      SMARTMOSTM process, the MC34929 has built-in 
      stall detection and protection circuitry, logic level control and 
      various configuration and communication features for active monitoring 
      of operation and increased reliability. Offered in a compact, 
      low-profile 24-pin 4 mm x 4 mm x 1 mm ultra-thin QFN package, the 
      MC34929 is ideal for industrial, home and office electronics 
      applications that require a compact BLDC motor driver solution.
    
    
      MC34929 features
    
    
      
        Single-supply operation (8V–28V)
      
      
        Efficiently drives three-phase BLDC motors up to 1A
      
      
        Autonomous BLDC control without requiring an MCU interface
      
      
        Built-in hall sensors controlled-supply (VH)
      
      
        Three-phase hall sensors interface
      
      
        Two tachometer outputs (1X and 3X hall frequency)
      
      
        Adjustable maximum current limit (torque limiting)
      
      
        Adjustable stalled rotor detection and protection
      
      
        Short circuit detection and protection
      
      
        Over-temperature detection and thermal shutdown
      
      
        Under-voltage detection and shutdown
      
      
        Low-profile, compact quad flat no-lead (QFN) 4x4x1mm package
      
      
        Restriction of hazardous substances (RoHS) compliant
      
    
    
      Pricing and availability
    
    
      The MC34929 is available in production quantities at a suggested resale 
      price of $1.42 (USD) in 10,000-piece quantities.
    
    
      The MC34929 evaluation boards are available now for a suggested resale 
      price of $90 (USD). The KIT34929EGEVBE development tool incorporates 
      digital I/O, making it easy to use with an MCU in a closed-loop motor 
      control system.
    
    
      For more information on the MC34929 motor driver IC, visit http://www.freescale.com/files/pr/mc34929.html.
    
    
      About Freescale Semiconductor
    
    
      Freescale Semiconductor, Inc. (NYSE:FSL)(NYSE:FSL.B) is a global leader 
      in the design and manufacture of embedded semiconductors for the 
      automotive, consumer, industrial, networking and wireless markets. 
      Freescale became a publicly traded company in July 2004. The company is 
      based in Austin, Texas, and has design, research and development, 
      manufacturing or sales operations in more than 30 countries. Freescale, 
      a member of the S&P 500®, is one of the 
      world’s largest semiconductor companies with 
      2005 sales of $5.8 billion (USD). www.freescale.com.
    
    
      Freescale™ and the Freescale logo 
      are trademarks of Freescale Semiconductor, Inc.
    
    
      All other product or service names are the property of their respective 
      owners. © Freescale Semiconductor, Inc. 2006.
    
  
Freescale Semiconductor (NYSE:FSL)(NYSE:FSL.B) has introduced a
three-phase brushless DC (BLDC) motor driver integrated circuit (IC)
designed to help drive small motors reliably with reduced board space.
The MC34929 IC provides a cost-effective, small-footprint BLDC motor
driver solution for a variety of consumer, portable and office
equipment applications containing small motors.

   The single-chip MC34929 IC has built-in over-temperature,
under-voltage and stalled-rotor protection circuitry, making it ideal
for small-motor applications. The MC34929 operates efficiently with
supply voltages from 8 V to 28 V and provides continuous motor drive
current up to 1A.

   Designed with a built-in three-phase hall-effect sensors interface
and a hall sensors voltage supply, the MC34929 motor driver IC can
operate BLDC motors autonomously with a pushbutton or switch interface
or under the control of an external microcontroller (MCU), such as
Freescale's 8-bit MC9S08QG8CDTE MCU. Its state machine accommodates
several modes of operation, including clockwise, counterclockwise,
run/stop, brake, variable speed and torque current limit.

   "Freescale's MC34929 device provides sophisticated
analog/mixed-signal integrated functions that result in a highly
flexible product that is adaptable and configurable to its
environment," said Arman Naghavi, vice president and general manager
of Freescale's Analog, Mixed-Signal and Power Division. "It allows
designers to differentiate their products with functions such as
adjustable, autonomous and continuous modes."

   Manufactured with Freescale's proprietary SMARTMOS(TM) process,
the MC34929 has built-in stall detection and protection circuitry,
logic level control and various configuration and communication
features for active monitoring of operation and increased reliability.
Offered in a compact, low-profile 24-pin 4 mm x 4 mm x 1 mm ultra-thin
QFN package, the MC34929 is ideal for industrial, home and office
electronics applications that require a compact BLDC motor driver
solution.

   MC34929 features

   --  Single-supply operation (8V-28V)

   --  Efficiently drives three-phase BLDC motors up to 1A

   --  Autonomous BLDC control without requiring an MCU interface

   --  Built-in hall sensors controlled-supply (VH)

   --  Three-phase hall sensors interface

   --  Two tachometer outputs (1X and 3X hall frequency)

   --  Adjustable maximum current limit (torque limiting)

   --  Adjustable stalled rotor detection and protection

   --  Short circuit detection and protection

   --  Over-temperature detection and thermal shutdown

   --  Under-voltage detection and shutdown

   --  Low-profile, compact quad flat no-lead (QFN) 4x4x1mm package

   --  Restriction of hazardous substances (RoHS) compliant

   Pricing and availability

   The MC34929 is available in production quantities at a suggested
resale price of $1.42 (USD) in 10,000-piece quantities.

   The MC34929 evaluation boards are available now for a suggested
resale price of $90 (USD). The KIT34929EGEVBE development tool
incorporates digital I/O, making it easy to use with an MCU in a
closed-loop motor control system.

   For more information on the MC34929 motor driver IC, visit
http://www.freescale.com/files/pr/mc34929.html.

   About Freescale Semiconductor

   Freescale Semiconductor, Inc. (NYSE:FSL)(NYSE:FSL.B) is a global
leader in the design and manufacture of embedded semiconductors for
the automotive, consumer, industrial, networking and wireless markets.
Freescale became a publicly traded company in July 2004. The company
is based in Austin, Texas, and has design, research and development,
manufacturing or sales operations in more than 30 countries.
Freescale, a member of the S&P 500(R), is one of the world's largest
semiconductor companies with 2005 sales of $5.8 billion (USD).
www.freescale.com.

   Freescale(TM) and the Freescale logo are trademarks of Freescale
Semiconductor, Inc.

   All other product or service names are the property of their
respective owners. (C) Freescale Semiconductor, Inc. 2006.