STR-500 Vehicle Controller
1 Feature overview
Voltage: 24V – 92V (Safe for 6S to 22S LiPo).
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Optimal performance at 20S LiIon
Voltage spikes may not exceed 100V
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Current: Continuous 500A, peak 680A. Values
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depend on the temperature, switching frequency and
cooling of the device!
1x 5V 0,5A output for external electronics
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1x switchable 5V 3A output for external electronics
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5x switchable and variable 6-24V (15A combined)
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1x static output, variable 6-24V
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3.3V 0,5A output for external electronics
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9 axis IMU
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Modes: DC, BLDC, FOC (sinusoidal)
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Supported sensors: ABI, HALL, AS5047, SIN/COS
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and other encoders
2 Applications
Controller for light electric vehicles
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Non street legal if not homologated
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For integration into VESC ecosystem
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3 Description
The VESC STR 500 is a versatile three-in-one vehicle controller
designed primarily for use in light electric vehicles such as
electric motorbikes, boats, karts, and similar applications. It
incorporates a microprocessor-controlled DC-DC converter to
generate auxiliary power for the vehicle's electronics.
Apart from the DC-DC converter, the STR 500 is equipped with
IO functionality for controlling inputs and outputs. This feature
enables direct control of various vehicle-mounted equipment,
including lights, blinkers, a horn, and more. Additionally, the
STR 500 includes a logging module for continuous recording
onto a Micro SD-Card and supports GPS antenna connectivity.
For accessibility, the device offers wireless connections through
BLE and WiFi. The STR 500 is supported by the VESC-Tool,
compatible with Linux, Windows, iOS, MacOS, and Android. Its
features encompass a broad range of adjustments for controller
setup and operation, along with real-time monitoring and
logging capabilities on a computer or directly onto the STR 500
itself.
4 Typical installation
The typical installation is shown in the diagram below.
It is necessary to use appropriate fuses on the battery
connection, matching the current flow in the system.
The battery needs to be managed by a suitable battery
management system (BMS). The BMS should control a
contactor on the positive discharge wire.
Rev. 1.1
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