Check out a brushless DC motor drive solution that provides programmable processing for multiple BLDC motor applications, coupled with 100V MOSFET drivers for advanced control of high torque motors. This TI Winning Solution is composed of the following:

LM5101BMA - 100V MOSFET Driver
LM3S8971 - Stellaris Integrated Motor Control/Driver
AMC1200 - Isolation Amplifier
DRV8312 - Three Phase Brushless DC Motor Driver

Additional Resources:

TI Motor Solutions Guide
TI Industrial Automation Solutions Guide

Key Solution Features

• 48V and 96V based eBike and Light Electric Vehicles applications for longer range and greater torque
• Single and three phase motors, sensor and sensor-less applications
• Programmable processor accommodates many motor configurations
• Configurable digital engine allows for new levels of performance and system flexibility. Different drive profiles, i.e., range vs. acceleration vs. torque can be implemented for any given application

Features
• Drives both a high-side and low-side N-Channel MOSFETs
• Independent high and low driver logic inputs
• Bootstrap supply voltage up to 118V DC
• Fast propagation times (25 ns typical)
• Drives 1000 pF load with 8 ns rise and fall times
• Excellent propagation delay matching (3 ns typical)
• Supply rail under-voltage lockout
• Low power consumption
• Pin compatible with HIP2100/HIP2101

Specifications
• 2 outputs
• Dual, independent driver configuration
• 7.5 VCC min. V.
• 14 VCC max. V.
• 2A peak output current
• 10ns rise time
• 10ns fall time
• 25ns prop delay
• SOIC-8 pin/package

Image shown is for reference only. Other
pin/package combinations may be available.

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Applications

• Current Fed push-pull converters
• Half and full-bridge power converters
• Synchronous buck converters
• Two switch forward power converters
• Forward with Active Clamp converters
  

Features
• 32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set
• Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller
• 256 KB single-cycle flash and 64 KB single-cycle SRAM
• Lower-power battery-backed Hibernation module with Real-Time Clock
• 4-38 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration
• ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently
• 10-bit Analog-to-Digital Converter (ADC) with eight analog input channels and a sample rate of one million samples/second
• Fully programmable 16C550-type UART with IrDA support
• Synchronous Serial Interface (SSI), supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces
• Controller Area Network (CAN) Interface using CAN protocol version 2.0 part A/B and with bit rates up to 1 Mbps
• Highly configurable 10/100 Ethernet Controller that conforms to the IEEE 802.3-2002 specification with full- and half-duplex modes for both 100 Mbps and 10 Mbps operation, and automatic MDI/MDI-X cross-over correction
• One integrated analog comparator configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt
• Three PWM generator blocks, each with one 16-bit counter, two PWM comparators, a PWM signal generator, a dead-band generator, and an interrupt/ADC-trigger selector
• Quadrature Encoder Interface (QEI) featuring position integrator to track encoder position and velocity capture using built-in timer
• Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package

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Specifications
• 256 KB Flash
• 64 KB RAM
• 50 MHz max speed
• Memory Protection Unit (MPU)
• 5 Timers
• RTC
• Watchdog Timer
• 6 Motion PWMs
• PWM Fault
• Dead-Band Generator
• 6 capture pins
• QEI
• MAC + PHY Ethernet
• CAN, UART
• SSI/SPI
• 8 channel ADC Unit
• 1- bit ADC Resolution
• 1000 kSPS ADC Sample Rate
• Internal Temp Sensor
• Analog Comparators
• 38 Max. 5-V tolerant GPIOs
• 4 dedicated 50V tolerant GPIOs
• Battery-backed hibernation module
• Internal LDO voltage regulator
• 100LQFP, 108NFBGA Pin/Package
  

• ±250-mV Input Voltage Range Optimized for Shunt Resistors
• Very Low Nonlinearity: 0.075% max at 5 V
• Low Offset Error: 1.5 mV max
• Low Noise: 3.1 mVRMS typ
• Low High-Side Supply Current: 8 mA max at 5 V
• Input Bandwidth: 60 kHz min
• Fixed Gain: 8 (0.5% accuracy)
• High Common-Mode Rejection Ratio: 108 dB
• 3.3-V Operation on Low-Side
• Certified Galvanic Isolation:
  
  • UL1577 and IEC60747-5-2 Approved
  • Isolation Voltage: 4000 VPEAK
  • Working Voltage: 1200 VPEAK
  • Transient Immunity: 10 kV/µs min
• Typical 10-Year Lifespan at Rated Working Voltage (see Application Report SLLA197)
• Fully Specified Over the Extended Industrial Temperature Range

• Shunt Resistor Based Current Sensing in:
  
  • Motor Control
  • Green Energy
  • Frequency Inverters
  • Uninterruptible Power Supplies

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• High-Efficiency Power Stage (up to 97%) with Low RDS(on) MOSFETs (80 m at TJ = 25°C)
• Operating Supply Voltage up to 50 V (70 V Absolute Maximum)
• DRV8312 (power pad down): up to 3.5 A Continuous Phase Current (6.5 A Peak)
• DRV8332 (power pad up): up to 8 A Continuous Phase Current ( 13 A Peak)
• Independent Control of Three Phases
• PWM Operating Frequency up to 500 kHz
• Integrated Self-Protection Circuits Including Undervoltage, Overtemperature, Overload, and Short Circuit
• Programmable Cycle-by-Cycle Current Limit Protection
• Independent Supply and Ground Pins for Each Half Bridge
• Intelligent Gate Drive and Cross Conduction Prevention
• No External Snubber or Schottky Diode is Required

• BLDC Motors
• Three phase permanent magnet synchronous motors
• Inverters
• Half Bridge Drivers
• Robotic Control Systems

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