DRV8452数据手册TI中文资料规格书

特性 Features

• Stepper motor driver
• SPI or H/W interface with STEP/DIR pins
• Up to 1/256 microstepping indexer

• 4.5 V to 48 V operating supply voltage range
• Low RDS(ON): 100 mΩ HS + LS at 24 V, 25°C
• High current capacity per bridge:
• DDW Package: 5A full-scale, 3.5A RMS
• PWP Package: 4A full-scale, 2.8A RMS

• DDW package pin-to-pin compatible with -
• DRV8462DDWR

• PWP package pin-to-pin compatible with -
• SPI Interface: DRV8434S
• H/W Interface: DRV8424, DRV8426, DRV8434

• Integrated current sensing and regulation
• 5% full-scale current accuracy


• Smart tune and mixed decay regulation options
• Silent step decay mode for silent operation at standstill and low speed
• Automatic Microstepping mode for step frequency interpolation
• Customizable microstepping indexer table
• Auto-torque for load dependent current control
• Standstill Power Saving mode
• Supports 1.8-V, 3.3-V, 5.0-V logic inputs
• Low-current sleep mode (3 µA)
• Separate logic supply voltage (VCC)
• Protection and diagnostic features
• Sensorless Stall Detection
• VM undervoltage lockout (UVLO)
• Open-load detection (OL)
• Overcurrent protection (OCP)
• Thermal shutdown (OTSD)
• Fault condition output (nFAULT)
• Indexer zero position output (nHOME)