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DRV8332 Datasheet(PDF) 1 Page - Texas Instruments

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Part # DRV8332
Description  Three Phase PWM Motor Driver
Download  36 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DRV8332 Datasheet(HTML) 1 Page - Texas Instruments

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GVDD
GVDD
PVDD
M
Controller
RESET_A
PWM_B
OC_ADJ
GND
GND_A
GND_B
OUT_B
PVDD_B
AGND
VREG
M3
M2
BST_B
NC
NC
GND
RESET_C
RESET_B
VDD
GVDD_C
OUT_C
PVDD_C
BST_C
GVDD_C
PWM_C
GND_C
M1
GND
GVDD_B
OTW
FAULT
PWM_A
GVDD_A
BST_A
PVDD_A
OUT_A
DRV8312
DRV8332
www.ti.com
SLES256D – MAY 2010 – REVISED JANUARY 2014
Three Phase PWM Motor Driver
Check for Samples: DRV8312, DRV8332
Because of the low RDS(on) of the power MOSFETs
1
FEATURES
and intelligent gate drive design, the efficiency of
High-Efficiency Power Stage (up to 97%) with
these motor drivers can be up to 97%, which enables
Low RDS(on) MOSFETs (80 mΩ at TJ = 25°C)
the use of smaller power supplies and heatsinks, and
Operating Supply Voltage up to 50 V
are good candidates for energy efficient applications.
(70 V Absolute Maximum)
The DRV8312/32 require two power supplies, one at
DRV8312 (power pad down): up to 3.5 A
12 V for GVDD and VDD, and another up to 50 V for
Continuous Phase Current (6.5 A Peak)
PVDD. The DRV8312/32 can operate at up to 500-
kHz switching frequency while still maintain precise
DRV8332 (power pad up): up to 8 A
control and high efficiency. They also have an
Continuous Phase Current ( 13 A Peak)
innovative protection system safeguarding the device
Independent Control of Three Phases
against a wide range of fault conditions that could
PWM Operating Frequency up to 500 kHz
damage the system. These safeguards are short-
circuit protection, overcurrent protection, undervoltage
Integrated Self-Protection Circuits Including
protection, and two-stage thermal protection. The
Undervoltage, Overtemperature, Overload, and
DRV8312/32
have
a
current-limiting
circuit
that
Short Circuit
prevents device shutdown during load transients such
Programmable Cycle-by-Cycle Current Limit
as motor start-up. A programmable overcurrent
Protection
detector allows adjustable current limit and protection
level to meet different motor requirements.
Independent Supply and Ground Pins for Each
Half Bridge
The DRV8312/32 have unique independent supply
Intelligent Gate Drive and Cross Conduction
and ground pins for each half bridge, which makes it
possible to provide current measurement through
Prevention
external shunt resistor and support half bridge drivers
No External Snubber or Schottky Diode is
with different power supply voltage requirements.
Required
Simplified Application Diagram
APPLICATIONS
BLDC Motors
Three Phase Permanent Magnet Synchronous
Motors
Inverters
Half Bridge Drivers
Robotic Control Systems
DESCRIPTION
The DRV8312/32 are high performance, integrated
three
phase
motor
drivers
with
an
advanced
protection system.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
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 © 2010–2014, 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.


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