Texas Instruments DRV8301-LS31-KIT - TMS570LS31 Hercules Safety MCU Motor Control Kit DRV8301-LS31-KIT DRV8301-LS31-KIT Scheda Tecnica
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DRV8301-LS31-KIT
PVDD
GH_ A
GH_ B
GH_C
Motor
Controller
Three-Phase
NMOS Gate
Driver
GL_A
GL_B
GL_C
offset
+
_
Buck
Converter
MOTOR
DRV8301
Vs
offset
+
_
ADC1
ADC2
PWM
Control
and
Protection
Logic
Error
Reporting
3 or 6
Vref
SPI
SLOS719B – AUGUST 2011 – REVISED AUGUST 2013
Three Phase Pre-Driver with Dual Current Shunt Amplifiers and Buck Regulator
Check for Samples:
1
FEATURES
DESCRIPTION
The DRV8301 is a gate driver IC for three phase
•
Operating Supply Voltage 6V–60V
motor drive applications. It provides three half bridge
•
2.3A Sink and 1.7A Source Gate Drive Current
drivers,
each
capable
of
driving
two
N-type
Capability
MOSFETs, one for the high-side and one for the low
•
Integrated Dual Shunt Current Amplifiers With
side. It supports up to 2.3A sink and 1.7A source
peak current capability and only needs a single power
peak current capability and only needs a single power
Adjustable Gain and Offset
supply with a wide range from 6V to 60V. The
•
Integrated Buck Converter to Support up to
DRV8301 uses bootstrap gate drivers with trickle
1.5A External Load
charge circuitry to support 100% duty cycle. The gate
•
Independent Control of 3 or 6 PWM Inputs
driver uses automatic hand shaking when high side
FET or low side FET is switching to prevent current
FET or low side FET is switching to prevent current
•
Bootstrap Gate Driver With 100% Duty Cycle
shoot through. Vds of FETs is sensed to protect
Support
external power stage during overcurrent conditions.
•
Programmable Dead Time to Protect External
The DRV8301 includes two current shunt amplifiers
FETs from Shoot Through
for
accurate
current
measurement.
The
current
•
Slew Rate Control for EMI Reduction
amplifiers support bi-directional current sensing and
•
Programmable Overcurrent Protection of
provide an adjustable output offset of up to 3V.
External MOSFETs
The DRV8301 also has an integrated switching mode
•
Support Both 3.3V and 5V Digital Interface
buck converter with adjustable output and switching
•
SPI Interface
frequency to support MCU or additional system power
needs. The buck is capable to drive up to 1.5A load.
needs. The buck is capable to drive up to 1.5A load.
•
Thermally Enhanced 56-Pin TSSOP Pad Down
DCA Package
DCA Package
The SPI interface provides detailed fault reporting
and flexible parameter settings such as gain options
and flexible parameter settings such as gain options
APPLICATIONS
for current shunt amplifier, slew rate control of gate
driver, etc.
driver, etc.
•
3-Phase Brushless DC Motor and Permanent
Magnet Synchronous Motor
Magnet Synchronous Motor
•
CPAP and Pump
•
E-bike, Hospital Bed, Wheel Chair
•
Power Drill, Blender, Chopper
Figure 1. DRV8301 Simplified Application Schematic
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.