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The MAX22208ATU provides four individually controllable 65V, 3.8AMAX half H-bridge drivers. It can be used to drive four solenoids, two brushed DC motors, a stepper motor, or a combination of different loads.

The power FETs have very low impedance, resulting in high drive efficiency and low heat dissipation. Typical total RON (HV side plus LV side) is 0.3Ω (typical).

Features

Four independent half H-bridge drivers

65V maximum operating voltage

0.3Ω (typical) RON (HV side + LV side) at TA = +25°C

Fully independent half-bridge control

Current rating per H-bridge (TA = +25°C):

IMAX = 3.8A (inrush current to drive capacitive loads)

IRMS = 2A

Integrated Current Sense (ICS) eliminates bulky external resistors and improves efficiency

Current-sense output monitor

Fault indication pin (FAULT)

Overcurrent protection (OCP) for each individual channel

Undervoltage lockout (UVLO)

Thermal shutdown TSD = +155°C

5mm x 7mm, 38-pin TQFN

Applications

Brushed DC motor drivers

Stepper motor drivers

Solenoid valve drivers

Locking valves

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