AD2S105
FEATURES
Current Conditioning plete Vector Transformation on Silicon Three-Phase 120° and Orthogonal 90° Signal Transformation Three-Phase Balance Diagnostic- Homopolar Output DQ Manipulation Real-Time Filtering APPLICATIONS AC Induction Motor Control Spindle Drive Control Pump Drive Control pressor Drive Control and Diagnostics Harmonic Measurement Frequency Analysis Three-Phase Power Measurement
Cos θ Sinθ Cos θ Cos ( θ + 120 °) Cos ( θ + 240 °) Sinθ IS1 IS2 3φ-2 φ IS3 Vqs Vds
Three-Phase Current Conditioner AD2S105
FUNCTIONAL BLOCK DIAGRAM
INPUT DATA STROBE φ POSITION PARALLEL DATA 12 BITS BUSY
SECTOR MULTIPLIER
SINE AND COSINE MULTIPLIER
Cos θ + φ Vds'
SECTOR MULTIPLIER
SINE AND COSINE MULTIPLIER
Vqs' Sin θ + φ
CONV1 CONV2
DECODE
Ia + Ib + Ic 3 HOMOPOLAR REFERENCE +5V GND
- 5V
HOMOPOLAR OUTPUT
GENERAL DESCRIPTION
A two-phase rotated output facilitates the implementation of multiple rotation blocks. The AD2S105 is fabricated on LC2MOS and operates on ± 5 volt power...
