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Overview
| Topology | Flyback Converter |
| Input voltage | 4.5-52 V |
| Switching frequency | 35-1000 kHz |
| Output 1 | 9 V / 0.53 A |
Description
This TI Design is a 3-Phase Brushless DC Motor Drive designed to operate in 48-V automotive applications. The board is designed to drive motors in the 1-kW range and can handle currents up to 30- A. The design includes analog circuits working in conjunction with a C2000 LaunchPad™ to spin a 3- Phase BLDC motor without the need for position feedback from Hall Effect sensors or quadrature encoder.
Features
- Speed Control of 3-Phase Brushless DC (BLDC) Motors With no Position Sensors Needed
- Phase Voltage and Current Sensing Scaled and Filtered Feedback for Control of 3-Phase Power
- Operates Over Wide Range of Voltages From 48-V Battery System
- Protection Against Overvoltage, Undervoltage, Overtemperature, Overcurrent, and Transient Faults
- Reverse Polarity Protection on 12-V Battery
- Isolated CAN Interface Connects to Automotive Networks on 12-V Battery System
- Critical Components Fit in a 5-inch Diameter Circular PCB
- Components Selected for Automotive Temperature and Quality
- Test Points Provide Easy Access to Key Motor Signals
Typical applications
- Water Pump, eTurbo, Radiator Fan, HVAC Blower, Oil Pump
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | – | – | – | – | – | – | – | Inductance4.7 µH | Performance Rated Current7.8 A | Saturation Current @ 10%2.5 A | Saturation Current @ 30%7 A | DC Resistance19.5 mΩ | Self Resonant Frequency33 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height3.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | TypeStraight | MountTHT | Length5.08 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |