DRV8844 Datasheet, PDF (1/17 Pages) Texas Instruments – QUAD 1/2-H-BRIDGE DRIVER IC

DRV8844
www.ti.com
SLVSBA2 – JULY 2012
QUAD 1/2-H-BRIDGE DRIVER IC
Check for Samples: DRV8844
FEATURES
1
•2 Quad 1/2-H-Bridge DC Motor Driver
– Can Drive Four Solenoids, Two DC Motors,
One Stepper Motor, or Other Loads
– Full Individual Half Bridge Control
– Low MOSFET On-Resistance
• 2.5-A Maximum Drive Current at 24 V, 25°C
• Floating Input Buffers Allow Dual (Bipolar)
Supplies (up to ±24 V)
• Built-In 3.3-V, 10-mA LDO Regulator
• Industry Standard IN/IN Digital Control
Interface
• 8-V to 60-V Operating Supply Voltage Range
• Thermally Enhanced Surface Mount Package
APPLICATIONS
• Textile Machines
• Office Automation Machines
• Gaming Machines
• Factory Automation
• Robotics
DESCRIPTION
The DRV8844 provides four individually controllable 1/2-H-bridge drivers. It can be used to drive two DC motors,
one stepper motor, four solenoids, or other loads. The output driver channel for each channel consists of N-
channel power MOSFET’s configured in a 1/2-H-bridge configuration.
The DRV8844 can supply up to 2.5-A peak or 1.75-A RMS output current per channel (with proper PCB
heatsinking at 24 V and 25°C) per H-bridge.
Separate inputs to independently control each 1/2-H-bridge are provided. To allow operation with split supplies,
the logic inputs and nFAULT output are referenced to a separate floating ground pin.
Internal shutdown functions are provided for over current protection, short circuit protection, under voltage
lockout and overtemperature.
The DRV8844 is available in a 28-pin HTSSOP package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).
T_A
–40°C to 85°C
ORDERING INFORMATION⁽¹⁾
PACKAGE ⁽²⁾
ORDERABLE PART
NUMBER
PowerPAD™ (HTSSOP) - PWP
Reel of 2000
Tube of 50
DRV8844PWPR
DRV8844PWP
TOP-SIDE
MARKING
DRV8844
(1) For the most current packaging and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
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.
PowerPAD is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012, Texas Instruments Incorporated