2020 Littelfuse, Inc.
4
Technology Function in Application Product Series Features 1 Fuse Protects power stage from overcurrent events 835 215 Third-party compliance (UL/IEC); low internal resistance; shock safe; vibration resistant MOV Protects power supply from line voltage surges and meets regulatory requirements UltraMOV TMOV High peak surge current rating up to 10 kA; high operating temperature range up to 125 C 2 MOSFET Turns power supply units on and off X2 Class Low Rds
(on)
, dv/dt ruggedness 3 Hall Effect Sensor Position and speed sensing of the motor 55140 55100 Magnetically operated position sensing; built-in temperature compensation; high switching speed up to 10 kHz NTC Temperature sensing of the door motor USUR1000 SM UL Recognized with ring lug mounting; SM NTCs is in hermetically sealed MELF package suitable for operation up to 220 C 4 TVS Diode Array * Protects wireless chipsets from ESD induced by user SP3213 Space efficient, 0201 form factor; third-party compliance; low capacitance 5 Reed Switch Proximity detection of the door to verify if fully open/closed 59166 MDSM-4, MDSM-10 Hermetically sealed; magnetically operated contacts
Power Supply Unit
AC Input Protection, Filter, & Rectification High Frequency Converter Garage Door Motor 1 2 DC/DC Converter G M H-Bridge Motor Drive Wireless Interface User Interface/ Display MCU Door Position Sensing 5 4 3
* This is recommended for compact designs where clearance between the antenna and the casing is < 2 mm.
Automatic Garage Door
Automatic garage doors can be monitored by wireless security camera systems, allowing users to remotely control the door and observe the space through the camera's feed. Door position sensing technologies ensure that the door is fully opened or closed to help prevent theft or injury.
Power Signal
Previous Page