RX Evaluation System for Stepping Motor with Resolver
This solution kit allows you to easily evaluate and study the RX family and resolver to digital converter (RDC) ICs provided by Renesas. A stepping motor with resolver...
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Overview
Description
The RAA3064002GFP (hereinafter together referred to as “this IC”) is resolver-to-digital converters which are intended for use with single-phase excitation, two-phase output type resolver sensors (angle sensors). The resolver sensor outputs analog signals (electrical angle information) which are proportional to the angle of the mechanical rotation of the resolver. This IC converts these analog signals to digital signals. This IC can be connected to either of two types of resolver sensor.
Features
- Resolver drive unit
- Input square wave: 5/10/20kHz, 2.5Vp-p (Max.)
- Excitation signal output AC voltage: 2.5Vp-p (Max.) Alternating current: 35mAp-p (Max.)
- Over-temperature detection circuit on-chip
- Converter part
- Differential amplifier circuit Variable gain: 2, 4, 8, 16.5X
- Signal conversion circuit Angle error correction function, internal circuit error correction function
- Disconnection detection circuit Detect disconnection from the signal amplitude
- Amplifier circuit unit
- Differential amplifier circuit 2ch (differential input support), variable gain: 10, 25X, for motor control current detection
- Control
- Communication function SPI interface (Max. 1MHz)
- Operating frequency 4 MHz
- Conversion error: ±0.2 degrees
- Supply voltage: VDD = 4.5-5.5 V, IOVDD = VDD
- Supply current：Maximum operating current: 20 mA (Typ.) Power save time: 420 μA (Typ.)
- Operating ambient temperature: -40 ℃ to +105 ℃
- Package: 48-pin plastic LQFP (7mm x 7mm, 0.5mm pitch)
Supported resolvers
- VR type 4-phase resolver
- Voltage detection method
- Current detection method
Comparison
Applications
Design & Development
Sample Code
Boards & Kits
RX72M CPU Card with RDC-IC
This product is a CPU card for motor control with RX72M. It can control BLDC motors and stepping motors when used in combination with the corresponding inverter...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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