DRV8818PWPR Power Path Management IC Motor / Motion / Ignition Controllers & Drivers 2.5A Bipolar Stepper Motor Driver
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DRV8818PWPR Power Path Management IC Motor / Motion / Ignition Controllers & Drivers 2.5A Bipolar Stepper Motor Driver
1 Features
- Pulse Width Modulation (PWM) Microstepping Motor Driver
-
– Built-In Microstepping Indexer
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– Up to 8 Microsteps/Step
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– Step and Direction Control
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– Programmable Mixed Decay, Blanking, and Off Time
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Up to 2.5-A Current Per Winding
-
Low 0.37-Ω (HS + LS) MOSFET RDS(ON) (25°C)
-
8-V to 35-V Operating Supply Voltage Range
-
Pin to Pin Upgrade for DRV8811 With Lower
RDS(ON)
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Thermally-Enhanced Surface Mount Package
-
Protection Features
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– VM Undervoltage Lockout (UVLO)
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– Overcurrent Protection (OCP)
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– Thermal Shutdown (TSD)
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2 Applications
-
Printers
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Textile Machinery
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Positioning/Tracking
-
Factory Automation
-
Robotics
3 Description
The DRV8818 provides an integrated stepper motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, as well as microstepping indexer logic to control a stepper motor.
The output driver block for each consists of N- channel power MOSFETs configured as full H- bridges to drive the motor windings.
A simple STEP/DIRECTION interface allows easy interfacing to controller circuits. The mode pins allow for configuration of the motor in full-step, half-step, quarter-step, or eighth-step modes. Decay mode and PWM off time are programmable.
Internal shutdown functions are provided for over current protection, short circuit protection, under- voltage lockout and overtemperature.
The DRV8818 is packaged in a 28-pin HTSSOP package with PowerPADTM.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
DRV8818 |
HTSSOP (28) |
9.70 mm x 4.40 mm |
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