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DRV8332DKD
13A Three Phase Brushless DC Motor Driver with Inrush Protection (PWM Ctrl)
GVDD
PVDD
Controller
RESET_A
PWM_B
OC_ADJ
GND
GND_A
PVDD_B
AGND
VREG
BST_B
GVDD_B
OTW
GVDD_A
BST_A
OUT_A
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Design
DRV8312, DRV8332SLES256E –MAY 2010–REVISED DECEMBER 2014
DRV83x2 Three-Phase PWM Motor Driver Features High-Efficiency Power Stage (upto 97%) With
Low RDS(on) MOSFETs (80 mΩatTJ= 25°C) Operating Supply Voltageupto50V
(70-A Absolute Maximum) DRV8312 (Power Pad Down):upto 3.5-A
Continuous Phase Current (6.5-A Peak) DRV8332 (Power Pad Up):upto 8-A Continuous
Phase Current (13-A Peak) Independent Controlof Three Phases PWM Operating Frequencyupto 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 Snubberor Schottky Diodeis
Required
Applications BLDC Motors Three-Phase Permanent Magnet Synchronous
Motors Inverters Half Bridge Drivers Robotic Control Systems
DescriptionThe DRV83x2 are high-performance, integrated
three-phase motor drivers with an advanced
protection system.
Becauseof the low RDS(on)of the power MOSFETs
and intelligent gate drive design, the efficiency of
these motor drivers can be upto 97%. This high
efficiency the use of smaller power supplies and
heatsinks, and the devices are good candidates for
energy-efficient applications.
The DRV83x2 require two power supplies, oneatV for GVDD and VDD, and anotherupto 50V for
PVDD. The DRV83x2 can operateat upto 500-kHz
switching frequency while still maintaining precise
control and high efficiency. The devices also have an
innovative protection system safeguarding the device
againsta wide rangeof fault conditions that could
damage the system. These safeguards are short-
circuit protection, overcurrent protection, undervoltage
protection, and two-stage thermal protection. The
DRV83x2 havea current-limiting circuit that prevents
device shutdown during load transients suchas motor
start-up.A programmable overcurrent detector allows
adjustable current limit and protection levelto meet
different motor requirements.
The DRV83x2 have unique independent supply and
ground pins for each half-bridge. These pins makeit
possible to provide current measurement through
external shunt resistor and support half bridge drivers
with different power supply voltage requirements.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Diagram
