LTC4213

PRODUCTION

No RSENSE Electronic Circuit Breaker

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Overview

  • Fast 1µs Response Circuit Breaker
  • 3 Selectable Circuit Breaker Thresholds
  • No Sense Resistor Required
  • Dual Level Overcurrent Fault Protection
  • Controls Load Voltages from 0V to 6V
  • High Side Drive for External N-Channel FET
  • Undervoltage Lockout
  • READY Pin Signals When Circuit Breaker Armed
  • Small Plastic (3mm × 2mm) DFN and TSOT-23 (ThinSOT) Packages

The LTC4213 is an Electronic Circuit Breaker. An overcurrent circuit breaker senses the voltage across the drain and source terminals of an external N-channel MOSFET with no need for a sense resistor. The advantages are a lower cost and reduced voltage and power loss in the switch path. An internal high-side driver controls the external MOSFET gate.

Two integrated comparators provide dual level overcurrent protection over the bias supply to ground common mode range. The slow comparator has 16µs response while the fast comparator trips in 1µs. The circuit breaker has three selectable trip thresholds: 25mV, 50mV and 100mV. An ON pin controls the ON/OFF and resets circuit breaker faults. READY signals the MOSFET is conducting and the circuit breaker is armed. The LTC4213 operates from VCC = 2.3V to 6V.

APPLICATIONS

  • Electronic Circuit Breaker
  • High-Side Switch
  • Hot Board Insertion

LTC4213
No RSENSE Electronic Circuit Breaker
LTC4213 Application Circuit LTC4213 Pin Configuration LTC4213 Pin Configuration LTC4213 Performance Graph
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LTC4216 RECOMMENDED FOR NEW DESIGNS Ultralow Voltage Hot Swap Controller
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Evaluation Kits

eval board
DC872A

LTC4213CDD Electronic Circuit Breaker

Product Details

DC872A: Demo Board for the LTC4213 No RSENSE Electronic Circuit Breaker.

DC872A
LTC4213CDD Electronic Circuit Breaker
DC872A - Schematic

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