1CH H-bridge Motor Driver with Integrated Current Sense and Regulation,TMI8122-Q1 Replace DRV8874-Q1.
TMI8122-Q1
TMI8122-Q1.pdf
TMI8122-Q1.pdfFEATURES
? AEC-Q100 result certification in progress:
– Temperature grade 1: – 40°C to +125°C, TA
? N-Channel H-bridge Motor Driver:
– Drives One Bidirectional Brushed DC Motor,
– Two Unidirectional Brushed DC Motors,
– or Other Resistive and Inductive Loads
? Wide 4.5V to 37V Operating Voltage
? 10A Peak Current Drive
? Integrated Current Sensing and Regulation
? PH/EN and PWM Input Control Modes
? Cycle-by-cycle or Fixed Off-Time Current
Regulation
? Supports 1.8V, 3.3V, 5V Logic Inputs
? Ultra-Low Power Sleep Mode
? VM Under Voltage Lockout (UVLO)
? Over Current Protection (OCP)
? Thermal Shutdown (TSD)
? Automatic Fault Recovery and Indicator Pin
? Package
- TMI8122-Q1: HTSSOP16
PIN CONFIGUTION
優勢替代
FEATURES
? AEC-Q100 qualified for automotive applications:
– Temperature grade 1: –40°C to +125°C, TA
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? N-channel H-bridge motor driver
– Drives one bidirectional brushed DC motor
– Two unidirectional brushed DC motors
– Other resistive and inductive loads
? 4.5-V to 37-V operating supply voltage range
? Pin to pin RDS(on) variants
– DRV8874-Q1: 200-mΩ (High-Side + Low-Side)
– DRV8876-Q1 : 700-mΩ (High-Side + Low-Side)
? High output current capability
– DRV8874-Q1: 6-A Peak
– DRV8876-Q1 : 3.5-A Peak
? Integrated current sensing and regulation
? Proportional current output (IPROPI)
? Selectable current regulation (IMODE)
– Cycle-by-cycle or fixed off time
? Selectable input control modes (PMODE)
– PH/EN and PWM H-bridge control modes
– Independent half-bridge control mode
? Supports 1.8-V, 3.3-V, and 5-V logic inputs
? Ultra low-power sleep mode
– <1-μA @ VVM = 24-V, TJ
= 25°C
= 25°C
? Spread spectrum clocking for low electromagnetic
interference (EMI)
? Integrated protection features
– Undervoltage lockout (UVLO)
– Charge pump undervoltage (CPUV)
– Overcurrent protection (OCP)
? Automatic retry or outputs latched off (IMODE)
– Thermal shutdown (TSD)
– Automatic fault recovery
– Fault indicator pin (nFAULT)
PIN CONFIGUTION
