Dual-channel H-bridge Motor Driver Chip Offers Three Packages with RDS(ON) of Only 800mΩ
Zhongke Microelectronics's Dual-channel H-bridge Motor Driver Chip AT8833 provides an integrated dual-channel motor drive solution for toys, printers, and other motor integration applications. AT8833 has two H-bridge drivers, which can drive two DC brushed motors, a bipolar stepper motor, solenoids, and other inductive loads.
The power output stage of each H-bridge is composed of N-type power MOSFET, called the H-bridge driver. Each bridge contains a rectifier circuit and a current-limiting circuit.
Internal shutdown function includes overcurrent protection, short circuit protection, under-voltage lockout protection, and overtemperature protection, and provides a fault detection output pin.
AT8833 offers three packages, one is ETSSOP16 package with exposed pad, and the other two are QFN16 package with exposed pad. The sizes are 4*4 and 3*3, which can effectively improve the heat dissipation performance. All are lead-free Products that comply with environmental protection standards.
Features
●Dual-Channel H-bridge Motor Driver
●Drive Two DC Brushed Motors or One Stepper Motor
●Low RDS(ON) resistance, 800mΩ(HS+LS)
●1.2A Drive Output
●Wide Voltage Supply，2.7V-15V
●PWM control interface
●Over-temperature Shutdown Circuit
●Short Circuit Protection
●Undervoltage Lockout Protection
Application
● Battery-Powered Toys
● POS Printers
● Video Security Cameras
● Office Automation Machines
● Gaming Machines
● Robotics
Package
Typical Application Diagram
Selection Guide
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