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MAX22205 - 7.6A High Current Single H-Bridge

Description

The MAX22205 integrates a high current 65V, 7.6AMAX H-Bridge to drive one Brushed DC motor or one half Stepper motor.

The H-Bridge FETs feature very low impedance, resulting in high driving efficiency and low heat.

The typical total RON (high-side + low-side) is 0.15Ω.

Features

  • an accurate optional Current Drive Regulation (CDR), which can be used to limit the start up current of a Brushed DC motor or control the phase current for stepper operation. The bridge output current is sensed by a non-dissipative Integrated Current Sensing (ICS) and it is then compared with the desired threshold current. As soon as the bridge current exceeds the threshold (ITRIP), the device enforces the decay for a fixed OFFtime (tOFF). The non-dissipative ICS eliminates the bulky external po.

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Datasheet preview – MAX22205

Datasheet Details

Part number MAX22205
Manufacturer Analog Devices
File Size 251.36 KB
Description 7.6A High Current Single H-Bridge
Datasheet download datasheet MAX22205 Datasheet
Additional preview pages of the MAX22205 datasheet.

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Full PDF Text Transcription

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MAX22205 65V, 7.6A High Current Single H-Bridge with Integrated Current-Sense General Description The MAX22205 integrates a high current 65V, 7.6AMAX H-Bridge to drive one Brushed DC motor or one half Stepper motor. The H-Bridge FETs feature very low impedance, resulting in high driving efficiency and low heat. The typical total RON (high-side + low-side) is 0.15Ω. The HBridge can be PWM controlled by two logic inputs (DINA, DINB). A third Enable (EN) logic input can be used to configure the outputs to high impedance for coasting the motor. The MAX22205 features an accurate optional Current Drive Regulation (CDR), which can be used to limit the start up current of a Brushed DC motor or control the phase current for stepper operation.
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