DRV8821DCAR Power Path Management IC Motor / Motion / Ignition Controllers & Drivers Dual Stepper Motor Controller/Drive
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DRV8821DCAR Power Path Management IC Motor / Motion / Ignition Controllers & Drivers Dual Stepper Motor Controller/Drive
1 Features
- Dual PWM Microstepping Motor Driver
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– Built-In Microstepping Indexers
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– Up to 1.5-A Current Per Winding
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– Three-Bit Winding Current Control Allows up to Eight Current Levels
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– Low MOSFET On-Resistance
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– Selectable Slow or Mixed Decay Modes
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8-V to 32-V Operating Supply Voltage Range
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Internal Charge Pump for Gate Drive
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Built-in 3.3-V Reference
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Simple Step/Direction Interface
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Fully Protected Against Undervoltage, Overtemperature, and Overcurrent
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Thermally-Enhanced Surface Mount Package
2 Applications
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Printers
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Scanners
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Office Automation Machines
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Gaming Machines
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Factory Automation
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Robotics
3 Description
The DRV8821 provides a dual microstepping-capable stepper motor controller/driver solution for printers, scanners, and other office automation equipment applications.
Two independent stepper motor driver circuits include four H-bridge drivers and microstepping-capable indexer logic. Each of the motor driver blocks employ N-channel power MOSFETs configured as an H- bridge to drive the motor windings.
A simple step/direction interface allows easy interfacing to controller circuits. Pins allow configuration of the motor in full-step, half-step, quarter-step, or eighth step modes, and the selection of slow or mixed decay modes.
Internal shutdown functions are provided for over current protection, short-circuit protection, undervoltage lockout, and overtemperature.
The DRV8821 is packaged in a 48-pin HTSSOP package (Eco-friendly : RoHS & no Sb/Br).
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
DRV8821 |
HTSSOP (48) |
6.10 mm x 12.50 mm |
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