Automated Doors & Gates

Automatic doors and gates make buildings more accessible and improve security. Consult this block diagram to find Littelfuse components that help the access control systems work as designed. Options include MOSFET rectifiers for control circuits, IGBT inverters for ac motors, Hall effect sensor for position sensing, and TVS diode arrays and multilevel varistors for ESD and lightning protection.

Block Diagram

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Technology:
Product Series:835, 215
Features:Third-party compliance (UL/IEC); low internal resistance; shock safe; vibration resistant
Benefits:Reduces customer qualification time by complying with third-party safety standards such as UL/IEC

Technology:
Product Series:
Features:Ultra-low on-resistance RDS(ON) and gate charge Qg; dv/dt ruggedness; low package inductance
Benefits:Robust switching operation; high power density; extremely low thermal dissipation

Technology:
Product Series:Planar
Features:Optimized for mid- and high-switching frequencies; square RBSOA; short circuit capability; ultra-fast anti-parallel diodes
Benefits:Hard-switching capability; high power density; low gate drive requirements

Technology:
Product Series:55140, 55100
Features:Digital or programmable analog types available; Integral reverse/over-voltage protection; medium, high, or programmable sensitivity options available
Benefits:High switching speed up to 10 kHz; long life up to 20 billion operations; unaffected by harsh environments

Technology:
Product Series:USUR1000, SM
Features:UL recognized with ring lug mounting; SM NTCs are in hermetically sealed MELF package suitable for operation up to 220 ?C
Benefits:Rapid thermal response and long-time reliability

Technology:
Product Series:
Features:Hermetically sealed; magnetically operated contacts
Benefits:Compact design; lowest power consumption for longest battery life

Technology:
Product Series:SP3213, SP3401
Features:Space efficient with 0201 form factor; third-party compliance; ultra-low capacitance
Benefits:Allows for space savings; retains signal integrity of high-speed communication lines

Technology:
Product Series:
Features:High ESD withstanding capability
Benefits:Small form factor for compact designs

Automated Doors & Gates Resources

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