Description

The ISL61411B is a negative voltage hot plug controller that allows a board to be safely inserted and removed from a live backplane. It has features such as inrush current limitation, programmable over-voltage and under-voltage protection, and an IntelliTrip electronic circuit breaker. The ISL61411B is pin compatible with the ISL6140/50 and is available in both Pb-free and Pb options.

Specifications and features

• Operates from -20V to -80V (-100V Absolute Max Rating)
• Programmable Inrush Current
• Programmable Over-Voltage Protection
• Programmable Under-Voltage Protection
• 135mV of hysteresis (Equals ~4.6V of hysteresis at the power supply)
• UVLO (Under-Voltage Lock-Out) ~ 16.5V
• Programmable Current Limit with 600µs time-out
• IntelliTripTM electronic circuit breaker distinguishes between Over-Current and Hard Fault conditions
• Pin Compatible with ISL6140/50
• Power Good Control Output
• Pb-free available

Application Scenarios

• VoIP (Voice over Internet Protocol) Servers
• Telecom systems at -48V
• Negative Power Supply Control
• +24V Wireless Base Station Power

Comparison

The ISL61411B offers the advantages of safe hot plug capabilities, programmable protection features, and compatibility with other models in the ISL series. However, it is limited to negative voltage applications and has a specific voltage range. Additionally, the Pb-free option may have certain limitations compared to the Pb option.

• Safe hot plug capabilities
• Programmable over-voltage and under-voltage protection
• IntelliTrip electronic circuit breaker
• Pin compatibility with ISL6140/50

• Limited to negative voltage applications
• Specific voltage range
• Potential limitations with the Pb-free option