
DRV8452 Series
50-V, 5-A, dual H-bridge stepper motor driver with smart tune, stall detect and auto-torque
Manufacturer: Texas Instruments
Catalog
50-V, 5-A, dual H-bridge stepper motor driver with smart tune, stall detect and auto-torque
Key Features
• Stepper motor driverSPI or H/W interface with STEP/DIR pinsUp to 1/256 microstepping indexer4.5 V to 55 V operating supply voltage rangeSupports standard 24 V and 36 V railsLow R DS(ON): 100 mΩ HS + LS at 24 V, 25°CHigh current capacity per bridge:DDW Package: 5 A full-scale, 3.5A RMSPWP Package: 4 A full-scale, 2.8A RMSDDW package pin-to-pin compatible with -DRV8462/61: 65 V, 3-10APWP package pin-to-pin compatible with -SPI:DRV8434S: 48 V, 2.5 AH/W Interface:DRV8424/26: 33 V, 1.5-2.5 AIntegrated current sensing and regulation5% full-scale current accuracySmart tune and mixed decay regulation optionsSilent step decay mode for silent operation at standstill and low speedAutomatic Microstepping mode for step frequency interpolationCustomizable microstepping indexer tableAuto-torque for load dependent current controlStandstill Power Saving modeSupports 1.8-V, 3.3-V, 5.0-V logic inputsLow-current sleep mode (3 µA)Separate logic supply voltage ( VCC)Protection and diagnostic featuresSensorless Stall DetectionVM undervoltage lockout (UVLO)Open-load detection (OL)Overcurrent protection (OCP)Thermal shutdown (OTSD)Fault condition output (nFAULT)Indexer zero position output ( nHOME)Stepper motor driverSPI or H/W interface with STEP/DIR pinsUp to 1/256 microstepping indexer4.5 V to 55 V operating supply voltage rangeSupports standard 24 V and 36 V railsLow R DS(ON): 100 mΩ HS + LS at 24 V, 25°CHigh current capacity per bridge:DDW Package: 5 A full-scale, 3.5A RMSPWP Package: 4 A full-scale, 2.8A RMSDDW package pin-to-pin compatible with -DRV8462/61: 65 V, 3-10APWP package pin-to-pin compatible with -SPI:DRV8434S: 48 V, 2.5 AH/W Interface:DRV8424/26: 33 V, 1.5-2.5 AIntegrated current sensing and regulation5% full-scale current accuracySmart tune and mixed decay regulation optionsSilent step decay mode for silent operation at standstill and low speedAutomatic Microstepping mode for step frequency interpolationCustomizable microstepping indexer tableAuto-torque for load dependent current controlStandstill Power Saving modeSupports 1.8-V, 3.3-V, 5.0-V logic inputsLow-current sleep mode (3 µA)Separate logic supply voltage ( VCC)Protection and diagnostic featuresSensorless Stall DetectionVM undervoltage lockout (UVLO)Open-load detection (OL)Overcurrent protection (OCP)Thermal shutdown (OTSD)Fault condition output (nFAULT)Indexer zero position output ( nHOME)
Description
AI
The DRV8452 is a wide-voltage, high-power, high-performance stepper motor driver. The device supports up to 55-V supply voltage, and integrated MOSFETs with 100 mΩ HS + LS on-resistance allow up to 5-A current.
The auto-torque feature boosts efficiency by adjusting the current according to load torque. Standstill power saving mode reduces power loss during motor holding condition. Silent step guarantees noiseless operation at low speeds and standstill. Internal current sense eliminates the need for sense resistors, therefore saving PCB area and cost. Built-in indexer supports up to 1/256 microstepping, and the automatic microstepping mode interpolates the input STEP signal to reduce overhead on the controller. Sensorless stall detection eliminates end stops from the system. The device supports other protection and diagnostic features for robust and reliable operation.
The DRV8452 requires minimal tuning to configure the features. It supports higher power density than external FET drivers, with a smaller PCB area. High energy efficiency coupled with precise, noiseless operation makes the DRV8452 an ideal choice for high-performance stepper systems.
The DRV8452 is a wide-voltage, high-power, high-performance stepper motor driver. The device supports up to 55-V supply voltage, and integrated MOSFETs with 100 mΩ HS + LS on-resistance allow up to 5-A current.
The auto-torque feature boosts efficiency by adjusting the current according to load torque. Standstill power saving mode reduces power loss during motor holding condition. Silent step guarantees noiseless operation at low speeds and standstill. Internal current sense eliminates the need for sense resistors, therefore saving PCB area and cost. Built-in indexer supports up to 1/256 microstepping, and the automatic microstepping mode interpolates the input STEP signal to reduce overhead on the controller. Sensorless stall detection eliminates end stops from the system. The device supports other protection and diagnostic features for robust and reliable operation.
The DRV8452 requires minimal tuning to configure the features. It supports higher power density than external FET drivers, with a smaller PCB area. High energy efficiency coupled with precise, noiseless operation makes the DRV8452 an ideal choice for high-performance stepper systems.