Stepper Motor Controller IC, TMI8420-Q1 Replace DRV8825.
TMI8420-Q1
TMI8420-Q1.pdf
TMI8420-Q1.pdfFEATURES
• AEC-Q100 result certification in progress
–Temperature grade 2:-40°C to +105°C,TA
• 8V to 45V Operating Supply Voltage Range
• PWM Microstepping Stepper Motor Driver
– Built-In Microstepping Indexer
– Up to 1/32 Microstepping Multiple Decay Modes
– Mixed Decay
– Slow Decay
– Fast Decay
• Maximum Drive Current at 24 V and TA =25℃
– TMI8420-Q1: 2.5A (HTSSOP28)
• Simple STEP/DIR Interface
• Low Current Sleep Mode
• Built In 3.3V Reference Output
• Protection Features
– Overcurrent Protection (OCP)
– Thermal Shutdown (TSD)
– VM Undervoltage Lockout (UVLO)
– Fault Condition Indication Pin (nFAULT)
• Small Packages
– TMI8420-Q1: HTSSOP28
PIN CONFIGUTION
优势替代
FEATURES
• PWM Microstepping Stepper Motor Driver
• Built-In Microstepping Indexer
• Up to 1/32 Microstepping
• Multiple Decay Modes
• Mixed Decay
• Slow Decay
• Fast Decay
• 8.2-V to 45-V Operating Supply Voltage Range
• 2.5-A Maximum Drive Current at 24 V and TA = 25°C
• Simple STEP/DIR Interface
• Low Current Sleep Mode
• Built-In 3.3-V Reference Output
• Small Package and Footprint
• Protection Features
• Overcurrent Protection (OCP)
• Thermal Shutdown (TSD)
• VM Undervoltage Lockout (UVLO)
• Fault Condition Indication Pin (nFAULT)
PIN CONFIGUTION
