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Microchip MIC4604 | Demoboard e-Bike Traction Motor Control
e-Bike Traction Motor Control Reference Design
Overview
| Topology | Motor Drive |
| Input voltage | 18-63 V |
| IC revision | 1 |
Description
The "e-Bike Traction Motor Control" targets high-performance, low power and cost-effective motor controlapplications; for example, applications for e-mobility (e-bikes). The "e-Bike Traction Motor Control" can drive BLDC/PMSM motors of up to 1 kW peak power and up to 60A peak-to-peak phase currents. The input voltage range is between 18V and 63V, covering the applications powered from battery strings of up to 15S (Li-Ion cells).For maximum battery efficiency and lower noise, a Field-Oriented Control (FOC) algorithm is used to control the motor speed and torque. Two rotor position feedback options are available, including three 120° spaced Hall sensors on motors so equipped, or sensor less current feedback using up to three shunt resistors for motors without Hall sensors.
Features
- +18V to +63V VBUS Input Voltage range (cover up to 15S batteries setup)
- Maximum output power: 1000W
- 130A peak-to-peak (for maximum 120 seconds) motor phase current
- Low-side shunt resistors on each inverter phase for current measurement (1 mΩ)
- PWM switching frequency range 8 kHz - 20 kHz (typical 16 kHz)
- Six N-Channel MOSFETs with low RDS(ON) (typical 1.4 mΩ)
- XT30 - type connector for convenient connection with the battery packs
- Support for Field-Oriented Control (FOC) with Hall sensors or with motor phase current shunt resistors
- PICkit™ debugger/programmer interface
- Support for on board temperature measurement (MPC9700)
- Auxiliary connectors (for custom functions like CAN, I2C, UART, THROTTLE (acceleration), programming/ debug, etc.)
Typical applications
- E-Bike Motor Driver
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | Pins | Type | Mount | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 56 µH, 1.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance56 µH | Performance Rated Current1.5 A | DC Resistance350 mΩ | Self Resonant Frequency10 MHz | Size7345 | VersionRobust | – | – | – | – | – | – | – | – | Length7.3 mm | – | Pins2 | – | MountSMT | Height4.5 mm | Rated Current0.93 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WCAP-ATUL Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | Capacitance1200 µF | Rated Voltage63 V (DC) | Endurance 10000 | Ripple Current2920 mA | Leakage Current756 µA | Dissipation Factor9 % | Pitch7.5 mm | Diameter16 mm | Length41 mm | PackagingTray | – | – | – | – | – | – | – | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | Length12.7 mm | PackagingBag | Pins5 | TypeAngled | MountTHT | – | 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 | – | – | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | Length5.08 mm | PackagingBag | Pins2 | TypeStraight | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | Length15.24 mm | PackagingBag | Pins6 | TypeStraight | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |