3.8A Brushed DC Motor Driver with Current Sensing and Regulation, TMI8180A P2P DRV8251A.
TMI8180A
TMI8180A.pdf
TMI8180A.pdfFEATURES
• 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
• Up to 3.8A Peak Current
• Integrated Current Sensing and Regulation
• Supports 1.8V, 3.3V, 5V Logic Inputs
• Ultra-Low Power Sleep Mode
• VM Under voltage Lockout (UVLO)
• Integrated protection features
- Over current Protection (OCP)
- Thermal Shutdown (TSD)
• ESOP8 Small Package and Footprint
PIN CONFIGUTION
优势替代
FEATURES
• N-channel H-bridge brushed DC motor driver
• 4.5-V to 48-V operating supply voltage range
• Pin-to-pin, RDS(on), voltage, and current sense/
regulation variants (external shunt resistor and
integrated current mirror)
– DRV8870: 6.5-V to 45-V, 565-mΩ, shunt
– DRV8251: 4.5-V to 48-V, 450-mΩ, shunt
– DRV8251A: 4.5-V to 48-V, 450-mΩ, mirror
– DRV8231: 4.5-V to 33-V, 600-mΩ, shunt
– DRV8231A: 4.5-V to 33-V, 600-mΩ, mirror
• High output current capability: 4.1-A Peak
• PWM control interface
• Supports 1.8-V, 3.3-V, and 5-V logic inputs
• Integrated IPROPI current sensing for stall
detection and current regulation
• Low-power sleep mode
– <1-µA at VVM = 24-V, TJ
= 25°C
= 25°C
• Small package and footprint
– 8-Pin HSOP with PowerPAD™, 4.9 × 6.0 mm
• Integrated protection features
– VM undervoltage lockout (UVLO)
– Auto-retry overcurrent protection (OCP)
– Thermal shutdown (TSD)
PIN CONFIGUTION
