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
優勢替代
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
