Features and Benefits
- 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.
- Electronic Circuit Breaker
- High-Side Switch
- Hot Board Insertion
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
R421 Reliability Data3/23/2018
DC872A - Demo Manual9/24/2009
Hot Swap Controllers8/2/2023
Small DFN Electronic Circuit Breaker Eliminates Sense Resistor5/1/2005 LT Journal
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|LTC4213CDDB#TRMPBF||Material Declaration||Reliability Data||8-Lead DFN (3mm x 2mm w/ EP)|
|LTC4213CDDB#TRPBF||Material Declaration||Reliability Data||8-Lead DFN (3mm x 2mm w/ EP)|
|LTC4213CTS8#TRMPBF||Material Declaration||Reliability Data||8-Lead SOT-23|
|LTC4213CTS8#TRPBF||Material Declaration||Reliability Data||8-Lead SOT-23|
|LTC4213IDDB#TRMPBF||Material Declaration||Reliability Data||8-Lead DFN (3mm x 2mm w/ EP)|
|LTC4213IDDB#TRPBF||Material Declaration||Reliability Data||8-Lead DFN (3mm x 2mm w/ EP)|
|LTC4213ITS8#TRMPBF||Material Declaration||Reliability Data||8-Lead SOT-23|
|LTC4213ITS8#TRPBF||Material Declaration||Reliability Data||8-Lead SOT-23|
|Wafer Fabrication Data||R421 Reliability Data|
Sample & Buy
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Buy Now Pricing
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.