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The DRV8808 device provides the integrated motor driver solution for printers. The chip has three full H-bridges and three buck DC-DC converters.
The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges 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 on the nReset pin.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | DRV8808 Combination Motor Driver With DC-DC Converter datasheet (Rev. B) | PDF | HTML | 31 Jan 2015 |
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 06 Jul 2018 | ||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 12 Mai 2004 |
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
| Gehäuse | Pins | Herunterladen |
|---|---|---|
| HTSSOP (DCA) | 48 | Optionen anzeigen |
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