Changsha Purple Horn E-Commerce Co., Ltd.
| Description | Linear, Compass (ICs) RoHS |
| Mfr. Part # | A33002LLEBTR-DD |
| Model Number | A33002LLEBTR-DD |
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Product Specification
| Description | Linear, Compass (ICs) RoHS | Mfr. Part # | A33002LLEBTR-DD |
| Model Number | A33002LLEBTR-DD |
The Allegro A33002 is a contactless 360 angle sensor IC utilizing Circular Vertical Hall (CVH) technology to provide high-resolution angular position data. Its system-on-chip (SoC) architecture integrates a CVH front end, digital signal processing for angle calculation, and selectable output protocols including SPI, SENT, and PWM. The device features on-chip EEPROM for flexible programming of calibration parameters with up to 100 read/write cycles. With on-chip 32-segment linearization, it corrects for misalignment and imperfect magnet magnetization, enhancing accuracy. The A33002 is designed for safety-critical automotive applications such as electronic power steering (EPS), transmission actuators, and BLDC pumps, supporting customer integration in accordance with ISO 26262 requirements, with single-die versions targeting ASIL B and dual-die versions targeting ASIL D. It operates across a wide temperature range (40C to 150C) and supports various programming interfaces including SPI and a unique Manchester protocol on the VCC line.
| Feature | Specification | Details |
|---|---|---|
| Angle Measurement | Contactless 0 to 360 | Angular position, rotational speed, and direction measurement |
| Resolution | Up to 12-bit effective resolution | Sensing magnetic field strength up to 900 G |
| Linearization | On-chip 32-segment | Improves angle accuracy by correcting misalignment and imperfect magnetization |
| Output Protocols | Selectable | SPI, SENT, PWM |
| Programming | On-chip EEPROM | Up to 100 read/write cycles; Programmable via Manchester encoding on VCC/VOUT lines or SPI |
| Safety Integrity Level (ASIL) | ASIL B (single-die) / ASIL D (dual-die) | When integrated and used in conjunction with appropriate system-level control, as prescribed in the A33002 Safety Manual |
| Operating Voltage | 3.7 V to 5.5 V | Absolute maximum of 28 V |
| Operating Temperature | 40C to 150C | Ambient temperature range |
| SPI Clock Frequency | Up to 10 MHz | Supports 16-, 17-, or 20-bit packet lengths with optional 4-bit CRC |
| SENT Tick Time | 0.5 s to 7.9375 s | Configurable via EEPROM |
| PWM Carrier Frequency | Configurable | 128 selectable frequencies ranging from 98 Hz to 3.125 kHz |
| Angle Error (Typical) | 0.4 @ 25C | With ideal magnet alignment and 300 G field |
| Angle Noise (3-sigma) | 0.19 | @ 25C, 300 G, no internal filtering |
| Turns Counting | Integrated | Supports up to 256 full mechanical rotations; configurable initialization |
| Package Dimensions | 14-pin TSSOP | 1 mm thin package to minimize air gap |
| Models | A33002LLEATR (Single Die) | Available in 3.3 V or 5.0 V interface |
| Models | A33002LLEBTR-DD (Dual Die) | Available in 3.3 V interface |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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