Littelfuse BLDC Motor Protection
Littelfuse BLDC Motor Protection Products include fuses, diodes, thermistors, temperature indicators, and more. The devices protect the battery and downstream controllers from damage caused by inrush currents, motor shorting, voltage transients, overheating, and more. The reliable components improve system efficiency and enable compact designs.
Block Diagram
1. DC Input Protection & Battery Communication
Littelfuse 501 High Current Fast-Acting Fuses
Provides overcurrent protection to circuits in high-current voltage regulator modules.
Littelfuse SMAJ TVS 400W Diodes
400W peak pulse power capability to protect sensitive electronic equipment from voltage transients.
Littelfuse SMBJ Uni-/Bi-Directional SMD TVS Diodes
Protects sensitive electronic equipment from voltage transients.
Littelfuse 5kW 5KP Transient Voltage Suppression Diodes
5000W diodes designed to protect sensitive electronic equipment from voltage transients.
Littelfuse MDSR-10 Low Power Sub-Miniature Reed Switches
Normally open switches with a 10.16mm long x ø1.80mm glass envelope, switches 200VDC at 10W.
Littelfuse 59166 Miniature Low Power Overmolded Reed Switches
Normally open contact switches up to 200VDC at 10W and operates through non-ferrous materials.
2. Power Bridge Protection
Littelfuse KC Miniature Leaded Epoxy Coated Thermistors
Superior long-term reliability for temperature measurement, control, and compensation.
Littelfuse setP™ Temperature Indicators
Combines overcurrent and over-temperature protection to protect USB Type-C plugs from overheating.
3. Power Bridge & Gate Driver
Littelfuse TrenchT2™ Standard/HiPerFET™ Power MOSFETs
Offers high current carrying capabilities, low drain-source on resistance, and low gate charge.
Littelfuse TrenchT4™ N-Channel Power MOSFET
Offers high current handling capability and a low 1mΩ drain-source on resistance.
4. Temperature Measurement
Littelfuse RB 0603 SMD End-Banded Chip Thermistors
Designed for use on hybrid substrates, integrated circuits, or printed circuit boards.
Additional Resources
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