Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 1 Motor Driver ICs Brushless DC, Brush DC, and Stepper Motors Industrial, Consumer and Computer (IC&C) Applications Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 2 Bipolar Stepper Motor Drivers Allegro MicroSystems offers a full line of stepper motor driver and pre-driver ICs. These devices feature easy to use two wire step and direction translator interfaces as well as industry standard parallel or serial control. Microstepping positioning is available with resolutions from full step to 16 microsteps per step. Microstepping results in increased step accuracy and less resonance issues which results in lower audible noise. Safety features include thermal shutdown, undervoltage lockout and over current protection. Allegro offers a complete lineup of stepper motor drivers for industrial, consumer, and computer applications. Available Features: • Parallel, Serial and Step/Direction interfaces • Microstepping • Stall detect assistance • Diagnostic outputs • Protection features – Under-voltage lockout, thermal shutdown, shoot through, overvoltage, over current protection • Internal DMOS outputs or gate controllers to drive external MOSFETs • Fixed off-time PWM current control • Slow, Fast and Mixed current decay mode control • Synchronous rectification • Package options include QFN and TSSOP packages with exposed thermal pads and lead (Pb) free Key Applications: Industrial, Consumer & Computer Applications • Laser / dot matrix /inkjet / POS / Label / 3-D printers • CCTV camera scan, tilt, focus control • Copiers • Scanners • Manufacturing industries – textile, robotic placement • Bipolar stepper motor applications which require advanced diagnostics, and operation over extended temperature and voltage ranges. • Imaging systems – microscopes, industrial imaging Key Devices: A4979: Microstepping Programmable Stepper Motor Driver with Stall Detect and Short Circuit Protection A4982 and A4984: DMOS Microstepping Driver with Translator and Overcurrent Protection A4989: Dual Full-Bridge MOSFET Driver with Microstepping Translator A3977 and A3979: Microstepping DMOS Driver with Translator www.allegromicro.com Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 3 Step/Direction Interface Part Number Output Voltage Range (V) Output Current Range Interface Packages A4989 12 to 50 <10 A Typical Parallel (Translator) (MOSFET gate driver IC) TSSOP-38 A3987 8 to 50 1.5 A Parallel (Translator) eTSSOP-24 A4979 7 to 50 1.5 A SPI / Parallel (Translator) eTSSOP-28 A4980* 3.3 to 50 1.4 A Parallel / SPI (Translator) eTSSOP-28 A4992* A3977 7 to 50 8 to 35 1.4 A 2.5 A Parallel / SPI (Translator) Parallel (Translator) eTSSOP-20 eTSSOP-28 A3979 8 to 35 2.5 A Parallel (Translator) eTSSOP-28 A4982 A4983 8 to 35 8 to 35 2.0 A 2.0 A Parallel (Translator) Parallel (Translator) QFN-32, eTSSOP-24 QFN-28 A4984 A4985 8 to 35 8 to 35 2.0 A 1.0 A Parallel (Translator) Parallel (Translator) QFN-24, QFN-32, eTSSOP- 24 QFN-24, QFN-32, eTSSOP- 24 A4988 8 to 35 2.0 A Parallel (Translator) QFN-28 4.75 to 30 750 mA Parallel (Translator) SOIC-24 Output Voltage Range (V) Output Current Range Interface Packages A3967 Note: * High temperature options available Parallel Interface Part Number A4975 5 to 50 1.5 A Parallel (Phase, D0, D1, D2) DIP-16, SOIC-16 A4970 10 to 45 750 mA Parallel (Phase, I0, I1) DIP-34, SOIC-24, PLCC-44 A4990* 7 to 50 1.4 A Parallel (Phase, IN1, IN4) eTSSOP-20 A3988 8 to 36 1.2 A Parallel (Phase, I0, I1) QFN-36, eLQFP-48 A3989 8 to 35 1.2 A (Step), 2.4 A (DC) Parallel (Phase, I0, I1) QFN-36 A3995 8 to 35 2.4 A Parallel (Phase, Enable, Mode) QFN-36 A4986 8 to 35 2A Parallel (Phase, I0, I1) eTSSOP-24 A4987 8 to 35 1A Parallel (Phase, I0, I1) QFN-24, eTSSOP-24 A3966 A3906 4.5 to 30 2.5 to 9 650 mA 1A Parallel (Phase, Enable) Parallel (Phase, IN1, IN4) SOIC-16 QFN-20 A3901 2.5 to 5.5 400 mA Parallel (Phase, IN1, IN4) DFN-10 Part Number Output Voltage Range (V) Output Current Range Interface Packages A3992 15 to 50 1.5 A Serial DIP-24, eTSSOP-24 A3985 12 to 50 <10 A Typical (MOSFET gate driver IC) Serial TSSOP-38 A3998 9 to 50 1.5 A Serial QFN-32 A4979 7 to 50 1.5 A SPI / Parallel (Translator) eTSSOP-28 A4980* 3.3 to 50 1.4 A SPI / Parallel (Translator) eTSSOP-28 Note: * High temperature options available Serial Interface Note: * High temperature options available www.allegromicro.com Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 4 Brush DC Motor Drivers Brush DC motors are the most widely used drivers due to their low cost and simple drive control options. Typical brush DC motor drivers consist of a half bridge for a single direction operation and an H-bridge configuration for bidirectional control. PWM (Pulse Width Modulation) control can be used to regulate motor speed, torque, or position. Available Features: • Low standby current for energy efficiency • Internal DMOS outputs or gate controllers to drive external MOSFETs • Parallel interfaces with forward, reverse, coast, and brake modes • Commercial grade and fully automotive qualified drivers • Small footprint and reduced external components • Strong protection and diagnostic features Key Applications: Key Devices: Industrial, Consumer & Computer Applications • • • • Inkjet/laser/POS/ Label printers Copiers Robotic vacuums Vending and ticketing machines • Gaming electronics • Scanners • Office equipment peripherals A4950 and A4952/53: Full-Bridge DMOS PWM Motor Driver A3959: DMOS Full-Bridge PWM Motor Driver A4957: Full Bridge MOSFET Driver A4954: Dual Full-Bridge DMOS PWM Motor Driver www.allegromicro.com Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 5 Low-Voltage Motor Drivers (Integrated MOSFET ICs) Part Number Output Voltage Range (V) Output Current Range Number of Bridges Logic Supply Voltage Range Packages A3909 4 to 18 1A Dual Full Internally generated SSOP-10, MSOP-10 A3906 2.5 to 9 1A Dual full Internally generated QFN-20 A3918 2.5 to 9 1A Single full Internally generated QFN-16 A3901 2.5 to 5.5 400 mA Dual full Internally generated DFN-10 A3903 2.5 to 5.5 500 mA Single full Internally generated DFN-8 A3908 A3910 2.5 to 5.5 2.5 to 5.5 500 mA 500 mA Single full Dual Half Internally generated Internally generated DFN-8 DFN-8 Part Number Output Voltage Range (V) Output Current Range Number of Bridges Logic Supply Voltage Range Packages A3946* 7 to 60 >10 A Typical Half bridge Internally generated SOIC-16, eTSSOP-16 A3921* 7 to 50 > 10 A Typical Single full Internally generated eTSSOP-28 MOSFET Gate Driver ICs A4940* 5.5 to 50 >10 A Typical Single full 3 V to 5.5 V eTSSOP-24 A4957 4.5 to 50 >10 A Typical Single full 3 V to 5.5 V QFN-16 Output Current Range Number of Bridges Logic Supply Voltage Range Packages DIP-24, SOIC-24, eTSSOP-28 Note: * High temperature options available Integrated MOSFET ICs Part Number Output Voltage Range (V) A3959 9.5 to 50 3A Single full 4.5 V to 5.5 V A3998 9 to 50 1.5 A Dual full with dual regulators 3 V to 5.5 V QFN-32 A4973 5 to 50 1.5 A Single full 3 V to 5.5 V DIP-16, SOIC-16 A4950 / A4950* 8 to 40 3.5 A Single full Internally generated SOICN-8 A4952 8 to 40 2A Single full Internally generated MSOP-10 A4953 8 to 40 2A Single full Internally generated SOICN-8 A4954 8 to 40 2A Dual full Internally generated eTSSOP-16 A3950 8 to 36 2.8 A Single full Internally generated eTSSOP-16, QFN-16 A3968 Vcc to 30 650 mA Dual full 4.75 V to 5.5 V SOIC-16 Note: * High temperature options available www.allegromicro.com Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 6 Brushless DC Motor Drivers Allegro MicroSystems plays a key role in enabling brushless DC motor adoption by simplifying the complexities of electronic commutation. Allegro offers a range of products targeted at BLDC applications which span the industrial, consumer and computer markets (IC&C). Allegro Solution Existing Solution Allegro up-integrates as many as six individual SOICs onto a single chip solution. Available Features: • Self commutating six-step / trapezoidal state machine with Hall sensor inputs • Sensorless and sinusoidal commutation • Back EMF sensing capability • Automotive grade ICs with diagnostics and robust protection features • Integrated VCM, drivers • 3 phase and single phase fan drivers Key Applications: Key Devices: Industrial, Consumer & Computer Applications A4915: 3-Phase MOSFET Driver A4960: Sensorless BLDC Controller • Power tools: drills, table saws, grinders • Lawn and garden equipment: lawn mowers, leaf blowers • Household: shop vacuums • Pumps: automated coffee machines • Fans and blowers A4931: 3-Phase DC Motor Predriver A5940: Three Phase Sensorless Fan Driver A5943: Three Phase Sinusoidal Fan Driver www.allegromicro.com Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 7 MOSFET Gate Driver ICs Part Number Output Voltage Range (V) Output Current Number of Bridges A4900 600 >10 A Typical Three half bridges A4937 5.5 to 50 >10 A Typical Three half bridges A3946* 7 to 60 >10 A Typical Half bridge A3932 12 to 50 <25 A Typical Three half bridges A3938 12 to 50 <25 A Typical Three half bridges A3930/31* 7 to 50 >10 A Typical Three half bridges A4933* A4935* 7 to 50 7 to 50 >10 A Typical >10 A Typical Three half bridges Three half bridges A4960* 7 to 50 >10 A Typical Three half bridges A4910* 5.5 to 50 >10 A Typical Three half bridges A4915 5 to 50 >10 A Typical Three half bridges A4931 8 to 38 <10 A Typical Three half bridges A4923* 10 to 32 <10 A Typical Three half bridges A4930 8 to 36 <10 A Typical Single full bridge Key Spec Interface Packages Vds Monitors, Diagnostics Serial interface, Extensive serial diagnostic, Sleep mode Diagnostics, High current gate drive, Top off charge pump Hall commutation logic, PWM current control, Tach output A3932 w/ selectable coast or brake on power-down Hall commutation logic, PWM current control, diagnostics Diagnostics and sense amplifier, Pin Diagnostics and sense amplifier Top off charge pump Sensorless commutation, Programmable startup and run parameters and diagnostics Programmable parameters Diagnostics, 3 x Sense amplifiers Hall commutation logic, Analog speed input, Center aligned PWM Hall commutation logic , PWM current control, Lock detect, FG output Hall commutation logic , Single wire start-up, Brake and Direction inputs and FG output Single phase Hall commutation logic, PWM current control, Soft-start Parallel QSOP-44 Serial eTSSOP-28 Parallel eTSSOP-16 Parallel TSSOP-38 Parallel TSSOP-38 Parallel eLQFP-48 Parallel Parallel eLQFP-48 eLQFP-48 Parallel and SPI eLQFP-32 Parallel and SPI eLQFP-48 Parallel eTSSOP-28, 5 x 5 mm QFN-28 Parallel 5 x 5 mm QFN-28 Parallel 5 x 5 mm QFN-32 Parallel 5 x 5 mm QFN-28 Note: * High temperature options available Integrated MOSFET ICs Part Number Output Voltage Range (V) Output Current A4941* 4.5 to 20 1.25 A A4942 5 to 16 1.45 A A4944 4 to 17 1A A4945* 4 to 18 1.6 A A4946* 4.8 to 28 1.63 A A4947 4 to 17 1A A4949* 4 to 18 1.6 A A5940 4 to 18 2.1 A A5943 4.8 to 28 2.1 A A5944 3 to 6 720 mA A3907 2.3 to 5.5 102 mA Note: * High temperature options available Key Spec 3-phase sensorless trapezoidal commutation, OCP, soft switching 3-phase sensorless trapezoidal commutation, closed loop speed control, OCP, soft switching, phase advance, soft start 3-phase sinusoidal drive, OCP, soft start, phase advance, HALL power supply 3-phase sensorless sinusoidal drive, auto phase advance, OCP, soft start 3-phase sinusoidal drive, OCP, OCL, soft start, Phase advance, HALL power supply, AEC-Q100 qualified 3-phase sinusoidal drive, OCP, soft start, Phase advance, HALL power supply 3-phase sensorless sinusoidal drive, auto phase advance, OCP, soft start 3-phase sensorless sinusoidal drive, quiet startup adjustment, high efficiency algorithm, OCP, OCL, adjustable minimum speed 3-phase sinusoidal drive, OCP, OCL, soft start, phase advance, HALL power supply 3-phase sensorless sinusoidal drive, quiet startup adjustment, high efficiency algorithm, OCP, OCL, low standby mode current VCM driver with 1-bit DtA converter, Current ramp control www.allegromicro.com Interface Packages PWM, FG eTSSOP-16 PWM duty, FG 4 x 4 mm QFN-20 PWM duty, Analog voltage, FG eTSSOP-16 PWM duty, FG SPICN-8, eSOICN-8 PWM duty, Analog voltage, FG PWM duty, Analog voltage, FG Analog voltage, FG eTSSOP-16 eTSSOP-16 SPICN-8, eSOICN-8 PWM duty, FG SOIC-10, eSOIC-10, 3 x 3 mm DFN-10 PWM duty, Analog voltage, FG eTSSOP-16 PWM duty, FG I2C 3 x 3 x 0.55 mm DFN-10 WLCSP 1.47 x 0.97 mm Allegro 8 page Motor Drivers June 14 v4.qxd:Layout 1 01/07/2014 19:41 Page 8 Allegro offers an industry leading portfolio of motor driver and controller ICs for brushless DC, brush DC, and stepper motors. Product architectures vary from highly-efficient internal DMOS drivers to MOSFET controller ICs suited for a wide variety of motor applications. Coupled with a strong system level expertise, Allegro’s motor driver IC portfolio provides the user with a high-performance, leading edge and reliable motor control solution. Allegro's BCD (bipolar, CMOS and DMOS components) technology allows for a wide range of features that is well suited for today’s demanding motor control applications. Allegro motor driver ICs can be found in a number of demanding markets, including automotive, industrial and office equipment. Its products are found in motor driver applications such as automotive pumps and blowers, electronic power steering (EPS) systems, printers (ink-jet and laser) and a variety of cooling fan applications. Allegro MicroSystems, LLC 115 Northeast Cutoff, Worcester, MA USA 01606 508-853-5000 [email protected] www.allegromicro.com 103710 | Issue 1 | 7.2014