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Specifications
Mfr. Part #:
AS5715R-ZTST
Package:
TSSOP-14
Key Attributes
Model Number:
AS5715R-ZTST
Product Description
Product Overview
The ams AS5715R is an inductive high-speed angle position sensing IC designed for automotive applications. It utilizes inductive sensing technology combined with a customized coil system to measure target position with high speed and accuracy. The device is suitable for demanding applications like BLDC motor control, traction motors, and electronic power steering, offering flexible system configuration and robustness against magnetic stray fields. It is defined as SEooC (Safety Element out of Context) according to ISO26262 and is AEC-Q100 Grade 0 qualified.
Product Attributes
- Brand: ams
- Origin: Austria (Headquarters)
- Certifications: ISO26262 (SEooC), AEC-Q100 Grade 0
Technical Specifications
| Feature | Description |
|---|---|
| High Speed Measurement | Up to 480,000 rpm |
| System Configuration | Flexible, adaptable to any application, all pole-pair counts with constant resolution |
| Robustness | Against magnetic stray fields |
| Sensing Technology | Inductive sensing with customized coil system (target, TX, RX coils on PCB) |
| Output Signals | Differential SIN and COS voltage proportional to target position |
| Angle Calculation | atan2 calculation on SIN and COS outputs |
| Accuracy (typical, 4 pole-pair) | <0.075 deg mechanical, <0.3 deg electrical |
| Propagation Delay | 3.3 to 5.8 s (dependent on filter setting) |
| Functional Safety | Functional safety diagnostics, ASIL C(D) as SEooC |
| Operating Temperature | -40 to 160 C |
| Package | TSSOP-14 |
| Supply Voltage | 3.3V (VLDO), +5V (VCC) |
| Application Scenarios | On and off axis applications, BLDC motor control, Traction motors, Electronic power steering, Mirror LIDAR, Replacement of Resolvers |
| Benefits | Flexible PCB design (hollow shaft, side shaft), adaptable pole pair count, low torque ripple, low motor noise, increased efficiency, easy replacement of AMR/GMR sensors |
2411200015_AMS-AS5715R-ZTST_C1019221.pdf
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