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
CROSS
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
