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MAX22910AFD - 21mΩ, 80V High-Side Switch with Advanced Diagnostics and Load Current Monitoring

Product Overviews

MAX22910AFD is an industrial high-side switch that operates as a current sourcing output device. The highside switch has an on-resistance RON of 21mΩ (typ) and 40mΩ (max). The maximum load current is limited and set via the CURLIM resistor in the range of 0.7A to 9A with ±10% accuracy. At +100°C ambient temperature, the maximum continuous load current is up to 7A.

MAX22910 - Simplified Application Diagram: 

Product Highlights

Reduced Power and Heat Dissipation

• 40mΩ (max) On-Resistance at TA = 125°C

• 1.2mA (typ) Supply Current with No Load

• Adjustable Output Current Limit from 0.7A to 9A

Robustness and Advanced Diagnostics

• 80V Maximum Supply Range

• Independent Load Current Monitor Output

• ±6% (max) Accuracy in Monitoring Load Current more than 700mA

• Open-Wire Detection with Switch Closed

• Adjustable Open-Wire Detection Threshold

• Thermal Overload and Short-Circuit Protection

• Overload Diagnostic Output

• -40°C to +125°C Ambient Operating Temperature

High-Speed Operation

• 110µs (max) Turn-On Propagation Delay

• <1µs (typ) IMON Response Time

Flexibility Design

• Supply Voltage VDD from 4.75V to 80V

• Logic Voltage Interface VL from 1.6V to

Applications

• Industrial Digital Output Modules

• Safety Output Modules

• Commercial Vehicle Controllers

• Motor Holding Brakes

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