DRV8835 H-Bridge Datasheet

DRV8835 Datasheet, PDF, Equivalent


Part Number

DRV8835

Description

Dual Low-Voltage H-Bridge

Manufacture

etcTI

Total Page 26 Pages
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DRV8835
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DRV8835
SLVSB18H – MARCH 2012 – REVISED AUGUST 2016
DRV8835 Dual Low-Voltage H-Bridge IC
1 Features
1 Dual-H-Bridge Motor Driver
– Capable of Driving Two DC Motors or One
Stepper Motor
– Low-MOSFET ON-Resistance:
HS + LS 305 mΩ
• 1.5-A Maximum Drive Current Per H-Bridge
• Configure Bridges Parallel for 3-A Drive Current
• Separate Motor and Logic-Supply Pins:
– 0-V to 11-V Motor-Operating Supply-Voltage
– 2-V to 7-V Logic Supply-Voltage
• Separate Logic and Motor Power Supply Pins
• Flexible PWM or PHASE/ENABLE Interface
• Low-Power Sleep Mode With 95-nA Maximum
Supply Current
• Tiny 2.00-mm × 3.00-mm WSON Package
2 Applications
• Battery-Powered:
– Cameras
– DSLR Lenses
– Consumer Products
– Toys
– Robotics
– Medical Devices
3 Description
The DRV8835 provides an integrated motor driver
solution for cameras, consumer products, toys, and
other low-voltage or battery-powered motion control
applications. The device has two H-bridge drivers,
and drives two DC motors or one stepper motor, as
well as other devices like solenoids. The output driver
block for each consists of N-channel power
MOSFETs configured as an H-bridge to drive the
motor winding. An internal charge pump generates
gate drive voltages.
The DRV8835 supplies up to 1.5-A of output current
per H-bridge and operates on a motor power supply
voltage from 0 V to 11 V, and a device power supply
voltage of 2 V to 7 V.
PHASE/ENABLE and IN/IN interfaces are compatible
with industry-standard devices.
Internal shutdown functions are provided for
overcurrent protection, short circuit protection,
undervoltage lockout, and overtemperature.
The DRV8835 is packaged in a tiny 12-pin WSON
package (Eco-friendly: RoHS and no Sb/Br).
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DRV8835
WSON (12)
2.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Schematic
VCC = 2 V to 7 V
VM = 0 V to 11 V
PWM
DRV8835
Stepper or
Brushed DC
Motor Driver
+
1.5 A
±
1.5 A
M
+±
Copyright © 2016, Texas Instruments Incorporated
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.

DRV8835
DRV8835
SLVSB18H – MARCH 2012 – REVISED AUGUST 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 4
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Timing Requirements ................................................ 7
6.7 Typical Characteristics .............................................. 8
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 10
8 Application and Implementation ........................ 12
8.1 Application Information............................................ 12
8.2 Typical Application ................................................. 12
9 Power Supply Recommendations...................... 14
9.1 Bulk Capacitance .................................................... 14
9.2 Power Supplies and Input Pins ............................... 14
10 Layout................................................................... 15
10.1 Layout Guidelines ................................................. 15
10.2 Layout Example .................................................... 15
10.3 Thermal Considerations ........................................ 15
11 Device and Documentation Support ................. 17
11.1 Documentation Support ........................................ 17
11.2 Receiving Notification of Documentation Updates 17
11.3 Community Resources.......................................... 17
11.4 Trademarks ........................................................... 17
11.5 Electrostatic Discharge Caution ............................ 17
11.6 Glossary ................................................................ 17
12 Mechanical, Packaging, and Orderable
Information ........................................................... 17
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision G (May 2016) to Revision H
Page
• Changed the value of the capacitor on the VM pin from 10 µF to 0.1 µF in the Parallel Mode Connections figure............ 12
• Added one capacitor to the VM pin and updated the value of the existing capacitor on the VM pin in the Layout
Example................................................................................................................................................................................ 15
• Deleted references to TI's PowerPAD package and updated it with thermal pad where applicable ................................... 16
• Added the Receiving Notification of Documentation Updates section ................................................................................ 17
Changes from Revision F (April 2016) to Revision G
Page
• Changed the Layout Guidelines to clarify the guidelines for the VM pin ............................................................................. 15
Changes from Revision E (December 2015) to Revision F
Page
• Deleted nFAULT from the Simplified Schematic in the Description section ......................................................................... 1
Changes from Revision D (January 2014) to Revision E
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 .................................................................................................. 1
2 Submit Documentation Feedback
Product Folder Links: DRV8835
Copyright © 2012–2016, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8835 SLVSB18H – MARCH 2 012 – REVISED AUGUST 2016 DRV8835 Dua l Low-Voltage H-Bridge IC 1 Features 1 Dual-H-Bridge Motor Driver – Capa ble of Driving Two DC Motors or One Ste pper Motor – Low-MOSFET ON-Resistance : HS + LS 305 mΩ • 1.5-A Maximum Dri ve Current Per H-Bridge • Configure B ridges Parallel for 3-A Drive Current Separate Motor and Logic-Supply Pins : – 0-V to 11-V Motor-Operating Suppl y-Voltage – 2-V to 7-V Logic Supply-V oltage • Separate Logic and Motor Pow er Supply Pins • Flexible PWM or PHAS E/ENABLE Interface • Low-Power Sleep Mode With 95-nA Maximum Supply Current • Tiny 2.00-mm × 3.00-mm WSON Packag e 2 Applications • Battery-Powered: Cameras – DSLR Lenses – Consumer Products – Toys – Robotics – Med ical Devices 3 Description The DRV8835 provides an integrated motor driver so lution for cameras, consumer products, toys, and other low-voltage or battery-powered motion control applic.
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