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Overview
| Topology | Motor Drive |
| Input voltage | 10-48 V |
| IC revision | 1.0 |
Description
The EVLSERVO1 is a reference design for driving low-voltage and high-current servo motors.This design is centered on the STSPIN32G4 which is a system-in-package integrating a triple high-performance half-bridge gate driver with a rich set of programmable features, a mixed signal STM32G431 microcontroller, and state-of-the-art power management generating internally the required supply for them, all in a compact 9x9 mm VFQFPN package.The EVLSERVO1 has a very compact form factor of 50 mm x 80 mm x 60 mm thanks to the fact that a power board and a control board are stacked up together.The system is designed to drive 3-phase brushless motors delivering up to 2 kW power out of the box with provided heatsink or 3 kW if adding an external fan for cooling. The system is intended for applications with nominal bus voltage up to 48 V but is designed to manage overvoltage conditions up to 75 V.To achieve such outstanding performance, the power stage is composed by six couples of paralleled STL160N10F8 MOSFETs having extremely low RDS(ON): 3.2 mΩ max.The power stage is fully protected thanks to the monitoring of possible overheating, overvoltage, and overcurrent. Triple-shunt topology is used for sensing of motor winding currents in differential mode.Additional details make this reference design ready for advanced features. A dedicated circuitry is available to control bus voltage in case of regenerative motor braking. Power from the motor can be dissipated in one external resistor clamping the bus voltage at the required safe level.Full flexibility from a firmware point of view is ensured, as the board is ready for FOC and 6-step control algorithms and can run in sensor-less mode or use up to two position feedback simultaneously. Hall sensors, incremental encoder, and absolute encoder with UART or SPI communication are supported with differential or single-ended wiring.A CAN transceiver is also provided to ensure robust communication in an industrial environment when needed.
Features
3-phase power stage based on paralleled STL160N10F8 power MOSFETs and protected from overcurrent conditionMotors up to 3 kW with active cooling or 2 kW with passive coolingOptimized for 24 V and 48 V applicationsSTSPIN32G4, high performance 3-phase motor controller with embedded STSPIN32G431 MCUTriple-shunt differential current sensingExternal resistor management for regenerative brakingInputs for speed/position feedback by digital Hall sensors and incremental/absolute encoder in differential or single-ended modeCAN busNTC sensor for power stage temperature monitoring
Typical applications
- The EVLSERVO1 is a reference design for driving low-voltage and high-current servo motors.
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(A) | fres(MHz) | Size | Version | Pins | Mount | L(mm) | H(mm) | IR(mA) | Working Voltage(V (AC)) | Operating Temperature | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Downloads26 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | Size0603 | – | – | MountSMT | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | |||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | Size0805 | – | – | MountSMT | Length2 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | Size0805 | VersionSMT | – | MountSMT | Length2 mm | Height0.9 mm | Rated Current800 mA | – | Operating Temperature -55 °C up to +125 °C | Impedance @ 100 MHz1000 Ω | Maximum Impedance1000 Ω | Maximum Impedance100 MHz | Rated Current 21000 mA | DC Resistance0.3 Ω | TypeHigh Current | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | Inductance18 µH | Performance Rated Current2.1 A | Saturation Current1.7 A | Self Resonant Frequency24 MHz | Size7332 | VersionStandard | Pins2 | MountSMT | Length7.3 mm | Height3.2 mm | Rated Current1410 mA | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | DC Resistance0.14 Ω | – | ||||
 | WR-PHD Pin Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | MountSMT | Length2.54 mm | – | Rated Current1000 mA | Working Voltage100 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | ||
| WR-PHD Pin Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins8 | MountSMT | Length5.08 mm | – | Rated Current1000 mA | Working Voltage100 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | ||
 | WR-PHD Socket Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | MountTHT | Length2.54 mm | – | Rated Current1000 mA | Working Voltage100 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WR-PHD Socket Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins8 | MountTHT | Length5.08 mm | – | Rated Current1000 mA | Working Voltage100 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
| WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | Inductance15 µH | – | Saturation Current3.1 A | Self Resonant Frequency20.7 MHz | Size7345 | VersionPerformance | – | MountSMT | Length7.3 mm | Height4.5 mm | Rated Current2200 mA | – | Operating Temperature -40 °C up to +150 °C | – | – | – | – | DC Resistance0.0695 Ω | – |