Brushed DC/Solenoid Drivers


PT2470

The PT2470 is a brushed-DC motor driver for printers, home appliances, industrial equipment, and other small machines. Dual pin logic inputs controls the H- bridge driver output current flows to maniple the motor rotation in forward or reverse direction. With sufficient heat dissipation PCB area or add-on heatsinking, the peak output current may up to 3.6 Amps.

The PT2470 has built-in PWM current regulation circuits; it’s a very useful function to limiting average current draws from power supply during motor rotates starts up and stalled. The PWM current regulation level is determinates by an external applied VREF reference voltage and current sense resistance attached in ISEN pin.

The PT2470 is protected from many fault conditions, including under voltage (UVLO), across-load short circuits (SCP) and over temperature shut down (TSD). The drive will disable the H-bridge output during fault condition is met, and device will automatically recovery when fault phenomena is removed.

FEATURES


● H-Bridge Motor Driver for:

– Single brushed DC Motor,

– Single Winding of a Bipolar Stepping Motor

– Solenoid High Side Driver

● Wide Operating Voltage : 9V to 36V

● Low Switches RDS(on) (HS+LS) : 500mΩ(typ)

● Peak Current Output : 3.6 Amps

● H-bridge Control Interface

● PWM Current Regulation

● Low-Power Sleep Mode

● Small Package and Footprint

– 8-Pin HSOP With Thermal PAD

● Protection Features

– VM Under voltage Lockout (UVLO)

– Across-Load Short Circuit Protection (SCP)

– Over Thermal Shutdown (TSD)

– Automatic Fault Recovery

● Package Type - HSOP 8

APPLICATIONS


● Printers

● Home Appliances

● Industrial Equipment

資源下載

Documentation

Tools

Application Note

TitleFileVersionDate
Demo Board說明書PT2470 Demo Board說明書.pdfV1.02019/5/29