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MAX22217ATJY - Quad Smart Serial-Controlled Solenoid and Motor Driver with Advanced Diagnostic

Product Overviews

MAX22217ATJY integrate four programmable 36V half-bridges. It is primarily intended to drive inductive loads such as on-off solenoid valves, DC motors, proportional valves, bi-stable valves, relays, etc. The MAX22217 is capable of up to 1AFS per half-bridge. It feature a full set of protection circuits, including overcurrent protection (OCP), overtemperature protection (OVT), and undervoltage lockout (UVM). A fault indicator pin is asserted whenever faults are detected.

Key Features

Four Serial Controlled 36V Half Bridges

1.7A DC (TA = 25°C) and 3.2A Full-Scale Current Capability (MAX22216)

0.55A DC (TA = 25°C) and 1A Full-Scale Current Capability (MAX22217)

Low RON for High Efficiency

High Flexibility:

Independent Channel Setting

High-Side/Low-Side/Bridge-Tied Load Configuration/Parallel Mode Supported

Advanced Control Methods

Voltage/Current Drive Regulation

Two Levels Sequencer for Power Saving

DC-Motor Drive with Current Limiter

Dithering Function

Ramp up/down Control

Demagnetization Voltage Control

Integrated Current Sense

Applications

Solenoid On-Off Valves and Relays

DC Motors

Proportional Valves

Bi-Stable Latching Solenoid Valves

Switching Driver with Real-Time Current Measurement

Digital Output Interface

Electromechanical Motor Brake

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