DRV8836 H-Bridge Datasheet

DRV8836 Datasheet, PDF, Equivalent


Part Number

DRV8836

Description

Dual Low-Voltage H-Bridge

Manufacture

etcTI

Total Page 25 Pages
Datasheet
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DRV8836
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DRV8836
SLVSB17D – MARCH 2012 – REVISED APRIL 2016
DRV8836 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
• 2-V to 7-V Operating Supply Voltage
• Flexible PWM or PHASE/ENABLE Interface
• Low-Power Sleep Mode With 95-nA Maximum
Supply Current
• Dedicated nSLEEP Input Pin
• Tiny 2.00-mm × 3.00-mm WSON Package
2 Applications
• Battery-Powered:
– DSLR Lenses
– Consumer Products
– Toys
– Robotics
– Cameras
– Medical Devices
3 Description
The DRV8836 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 can drive 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
MOSFET configured as an H-bridge to drive the
motor winding. An internal charge pump generates
gate drive voltages.
The DRV8836 supplies up to 1.5-A of output current
per H-bridge. It operates on a power supply voltage
from 2 V to 7 V.
PHASE/ENABLE and IN/IN interfaces can be
selected which are compatible with industry-standard
devices. A low-power sleep mode is provided which
turns off all unnecessary logic to provide a very low
current state.
Internal shutdown functions are provided for
overcurrent protection, short-circuit protection,
undervoltage lockout, and overtemperature.
The DRV8836 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)
DRV8836
WSON (12)
2.00 mm x 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic
2 V to 7 V
PWM
nSLEEP
DRV8836
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.

DRV8836
DRV8836
SLVSB17D – MARCH 2012 – REVISED APRIL 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 ......................... 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 Timing Requirements ................................................ 6
6.7 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 9
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Application ................................................. 11
9 Power Supply Recommendations...................... 13
9.1 Bulk Capacitance .................................................... 13
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 14
10.3 Thermal Considerations ........................................ 14
11 Device and Documentation Support ................. 16
11.1 Documentation Support ........................................ 16
11.2 Community Resources.......................................... 16
11.3 Trademarks ........................................................... 16
11.4 Electrostatic Discharge Caution ............................ 16
11.5 Glossary ................................................................ 16
12 Mechanical, Packaging, and Orderable
Information ........................................................... 16
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (December 2015) to Revision D
Page
• Deleted nFAULT from the Simplified Schematic in the Description section ......................................................................... 1
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 .................................................................................................. 1
Changes from Revision A (September 2013) to Revision B
Page
• Added tOCR and tDEAD parameters to Electrical Characteristics .............................................................................................. 5
2 Submit Documentation Feedback
Product Folder Links: DRV8836
Copyright © 2012–2016, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8836 SLVSB17D – MARCH 2 012 – REVISED APRIL 2016 DRV8836 Dual Low-Voltage H-Bridge IC 1 Features 1 Dual-H-Bridge Motor Driver – Capab le of Driving Two DC Motors or One Step per Motor – Low MOSFET On-Resistance: HS + LS 305 mΩ • 1.5-A Maximum Driv e Current Per H-Bridge • Configure Br idges Parallel for 3-A Drive Current 2-V to 7-V Operating Supply Voltage Flexible PWM or PHASE/ENABLE Interfa ce • Low-Power Sleep Mode With 95-nA Maximum Supply Current • Dedicated nS LEEP Input Pin • Tiny 2.00-mm × 3.00 -mm WSON Package 2 Applications • Bat tery-Powered: – DSLR Lenses – Consu mer Products – Toys – Robotics – Cameras – Medical Devices 3 Descript ion The DRV8836 provides an integrated motor driver solution for cameras, cons umer products, toys, and other low-volt age or battery-powered motion control a pplications. The device has two H-bridge drivers, and can drive two DC motors or one stepper motor, as .
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