DRV8832-Q1 IC Datasheet

DRV8832-Q1 Datasheet, PDF, Equivalent


Part Number

DRV8832-Q1

Description

Low-Voltage Motor Driver IC

Manufacture

etcTI

Total Page 26 Pages
Datasheet
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DRV8832-Q1
SLVSBW9C – APRIL 2013 – REVISED DECEMBER 2015
DRV8832-Q1 Low-Voltage Motor Driver IC
1 Features
1 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature Range
– Device HBM ESD Classification Level H2
– Device CDM ESD Classification Level C4B
• H-Bridge Voltage-Controlled Motor Driver
– Drives DC Motor, One Winding of a Stepper
Motor, or Other Actuators/Loads
– Efficient PWM Voltage Control for Constant
Motor Speed With Varying Supply Voltages
– Low MOSFET ON-Resistance:
HS + LS 450 mΩ
• 1-A Maximum DC/RMS or Peak Drive Current
• 2.75-V to 6.8-V Operating Supply Voltage Range
• 300-nA (Typical) Sleep Mode Current
• Reference Voltage Output
• Current Limit Circuit
• Fault Output
• Thermally Enhanced Surface Mount Packages
2 Applications
• Battery-Powered:
– Printers
– Toys
– Robotics
– Cameras
– Phones
• Small Actuators, Pumps, and so forth
3 Description
The DRV8832-Q1 device provides an integrated
motor driver solution for battery-powered toys,
printers, and other low-voltage or battery-powered
motion control applications. The device has one H-
bridge driver, and can drive one DC motor or one
winding of a stepper motor, as well as other loads like
solenoids. The output driver block consists of N-
channel and P-channel power MOSFETs configured
as an H-bridge to drive the motor winding.
Provided with sufficient PCB heatsinking, the
DRV8832-Q1 can supply up to 1-A of DC/RMS or
peak output current. It operates on power supply
voltages from 2.75 V to 6.8 V.
To maintain constant motor speed over varying
battery voltages while maintaining long battery life, a
PWM voltage regulation method is provided. An input
pin allows programming of the regulated voltage. A
built-in voltage reference output is also provided.
Internal protection functions are provided for over
current protection, short-circuit protection,
undervoltage lockout, and overtemperature
protection.
The DRV8832-Q1 also provides a current limit
function to regulate the motor current during
conditions like motor startup or stall, as well as a fault
output pin to signal a host processor of a fault
condition.
The DRV8832-Q1 is available in tiny 3-mm x 3-mm
10-pin MSOP package with PowerPAD™ (Eco-
friendly: RoHS & no Sb/Br).
PART NUMBER
DRV8832-Q1
Device Information(1)
PACKAGE
BODY SIZE (NOM)
MSOP-PowerPAD (10) 3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
2.75V to 6.8V
DRV8832-Q1 1.3A peak
IN1
CCoonnttrroollleerr
IN2
Brushed DC
Motor Driver
BDC
Protection
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

DRV8832-Q1
DRV8832-Q1
SLVSBW9C – APRIL 2013 – REVISED DECEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 8
7.4 Device Functional Modes........................................ 11
8 Application and Implementation ........................ 12
8.1 Application Information............................................ 12
8.2 Typical Application ................................................. 12
9 Power Supply Recommendations...................... 16
9.1 Power Supervisor.................................................... 16
9.2 Bulk Capacitance .................................................... 16
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Example .................................................... 17
10.3 Thermal Considerations ........................................ 17
11 Device and Documentation Support ................. 19
11.1 Documentation Support ........................................ 19
11.2 Community Resources.......................................... 19
11.3 Trademarks ........................................................... 19
11.4 Electrostatic Discharge Caution ............................ 19
11.5 Glossary ................................................................ 19
12 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (January 2014) to Revision C
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 4
Changes from Revision A (August 2013) to Revision B
Page
• Changed Bridge Control section............................................................................................................................................. 8
• Changed Current Limit section ............................................................................................................................................. 10
• Changed Thermal Shutdown (TSD) section......................................................................................................................... 10
• Added Power Supervisor section ......................................................................................................................................... 16
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Copyright © 2013–2015, Texas Instruments Incorporated
Product Folder Links: DRV8832-Q1


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity Reference Design DRV8832-Q1 SL VSBW9C – APRIL 2013 – REVISED DECEM BER 2015 DRV8832-Q1 Low-Voltage Motor D river IC 1 Features •1 Qualified for Automotive Applications • AEC-Q100 Q ualified With the Following Results: Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM ESD Classificatio n Level H2 – Device CDM ESD Classific ation Level C4B • H-Bridge Voltage-Co ntrolled Motor Driver – Drives DC Mot or, One Winding of a Stepper Motor, or Other Actuators/Loads – Efficient PWM Voltage Control for Constant Motor Spe ed With Varying Supply Voltages – Low MOSFET ON-Resistance: HS + LS 450 mΩ • 1-A Maximum DC/RMS or Peak Drive Cu rrent • 2.75-V to 6.8-V Operating Sup ply Voltage Range • 300-nA (Typical) Sleep Mode Current • Reference Voltag e Output • Current Limit Circuit • Fault Output • Thermally Enhanced Surface Mount Packages 2 Applications • Battery-Powered: – Printers .
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