Dual-Bridge Motor Controller IC, TMI8420 Replace DRV8824.
TMI8420
TMI8420.pdf
TMI8420.pdfFEATURES
• 8V to 45-V 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
• 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
• Protection Features
– Overcurrent Protection (OCP)
– Thermal Shutdown (TSD)
– VM Undervoltage Lockout (UVLO)
– Fault Condition Indication Pin (nFAULT)
• Small Packages
- TMI8420: HTSSOP28
- TMI8420Q: QFN5*5-28
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
• 1.6-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)
– VMx Undervoltage Lockout (UVLO)
– Fault Condition Indication Pin (nFAULT)
PIN CONFIGUTION
