Linear Technology's LTC4211IMS8: Hot Swap Controller
The LTC4211IMS8 from Linear Technology is a sophisticated hot swap controller that enables safe board insertion and removal from a live backplane. Designed in a compact MSOP-8 package, this controller offers an integrated solution to manage inrush current and ensure electronic circuit protection during hot plugging events.
Key Features
- Automatic Retry or Latch Off: The LTC4211IMS8 provides users with the option to choose between automatic retry or latch-off after a fault condition, enhancing system reliability and recovery.
- Adjustable Current Limit: This feature allows designers to set the maximum inrush current to match specific system requirements, thereby protecting both the connector and the device under power.
- Overcurrent Protection: The LTC4211IMS8 is equipped with a fast overcurrent comparator that is designed to respond quickly to short-circuit conditions, minimizing the risk of damage to the circuit components.
- Wide Operating Voltage Range: With an operating range of 2.5V to 16.5V, this controller is versatile and can be used in a variety of applications, from low voltage to intermediate bus voltages.
- Gate Voltage Clamping: The integrated gate voltage clamp protects the external N-channel MOSFET from over-voltage, ensuring long-term reliability.
- Multi-Function Timer: An onboard multi-function timer provides control over the fault timer, GATE voltage ramp rate, and overcurrent auto-retry period, offering a high degree of customization for different system requirements.
Applications
The LTC4211IMS8 is ideal for a range of applications that require hot swap capabilities, including:
- RAID Systems
- Network Servers and Blades
- Telecommunications Equipment
- Industrial Systems
Linear Technology's LTC4211IMS8 hot swap controller is a high-performance solution that ensures seamless and secure insertion of electronic cards into live systems. Its robust feature set and compact form factor make it an essential component in protecting critical applications from the dangers of inrush current and power faults.