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DRV8808

Texas Instruments
Part Number DRV8808
Manufacturer Texas Instruments
Description Combination Motor Driver
Published Jun 19, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8808 SLVS857B – DECEMBER 20...
Datasheet PDF File DRV8808 PDF File

DRV8808
DRV8808

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8808 SLVS857B – DECEMBER 2009 – REVISED JANUARY 2015 DRV8808 Combination Motor Driver With DC-DC Converter 1 Features •1 Three DC Motor Drivers – Up to 2.
5-A Current Chopping – Low Typical ON Resistance (RDSON = 0.
5 Ω at TJ = 25°C) • Three Integrated DC-DC Converters – ON/OFF Selectable Using CSELECT Pin and Serial Interface – Outputs Configurable With External Resistor Network From 1 V to 90% of VM Capability for All Three Channels – 1.
35-A Output Capability for All Three Channels • One Integrated LDO Regulator – Output Configurable With External Resistor Network from 1 V to 2.
5 V – 550-mA Output Capability • 7-V to 40-V Operating Range • Serial Interface for Communications • Thermally Enhanced Surface-Mount Package 48-Pin HTSSOP With PowerPAD™ (Eco-Friendly: RoHS and No Sb/Br ) • Power-Down Function (Deep-Sleep Mode) • Reset Signal Output (Active Low) • Reset (All Clear) Control Input 2 Applications • Printers • Document Scanners • POS • Copiers 3 Description The DRV8808 device provides the integrated motor driver solution for printers.
The chip has three full Hbridges and three buck DC-DC converters.
The output driver block for each consists of Nchannel power MOSFETs configured as full Hbridges to drive the motor windings.
The device can be configured to use internal or external current sense for winding current control.
The SPI input pins are 3.
3-V compatible and have inputs that are 5-V tolerant.
The DRV8808 has three DC-DC switched-mode buck converters to generate a programmable output voltage from 1 V up to 90% of VM, with up to 1.
35-A load current capability.
The device is configured using the CSELECT terminal at start-up, and serial interface during run time.
An internal shutdown function is provided for overcurrent protection, short-circuit protection, undervoltage lockout, and thermal shutdown.
Also, the device has the reset function at power on, and the input o...


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