AIS1200PSTR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
Single-axis MEMS acceleration sensor with PSI5 point-to-point digital interface, AEC-Q100 qualified for automotive safety applications. Packaged in a 16-pin SOP measuring 9.93 mm × 3.94 mm × 1.48 mm for surface-mount assembly. In stock worldwide with fast worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- AIS1200PSTR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AIS1200PSTR?
- AEC-Q100 automotive qualification ensures reliability across harsh temperature and vibration conditions required for airbag and chassis safety systems
- PSI5 point-to-point digital interface provides robust noise-immune communication over long cable runs without additional signal-conditioning circuitry
- Single-axis MEMS sensing architecture in a compact SOP-16 package (9.93 mm × 3.94 mm) simplifies PCB layout in space-constrained automotive modules
What is AIS1200PSTR used for?
AIS1200PSTR is designed for automotive safety-critical applications including airbag crash sensing, electronic stability control, and vehicle dynamic measurement systems that require AEC-Q100 Grade 1 qualification. Its PSI5 digital output makes it directly compatible with automotive ECUs and sensor fusion modules, eliminating analogue signal paths and the associated EMC challenges in passenger and commercial vehicles.
What are the specifications of AIS1200PSTR?
| YTEOL | 3 |
| Additional Feature | SEATED HGT CALCULATED |
| Body Breadth | 3.94mm |
| Body Height | 1.48mm |
| Body Length or Diameter | 9.93mm |
| Mounting Feature | SURFACE MOUNT |
| Output Type | DIGITAL OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 |
| Package Shape/Style | RECTANGULAR |
| Screening Level | AEC-Q100 |
| Sensors/Transducers Type | ACCELEROMETER |
| Supply Voltage-Max | 16V |
| Supply Voltage-Min | 5V |
| Surface Mount | YES |
| Technology | BCD |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Philippines |
Where can I find the AIS1200PSTR datasheet?
AIS1200PSTR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for AIS1200PSTR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does AEC-Q100 qualification mean for AIS1200PSTR in an airbag deployment circuit?
AEC-Q100 qualification means the AIS1200PSTR has passed standardised automotive semiconductor stress tests including temperature cycling from -40°C to +150°C, humidity bias, and electrostatic discharge per AEC-Q100 Grade 1. For an airbag system, this certification is a baseline procurement requirement, assuring that the accelerometer will not spuriously trigger or fail to trigger a deployment event over the vehicle's 15-year lifespan.
How does the PSI5 interface on AIS1200PSTR simplify wiring compared to an analogue ratiometric output sensor?
PSI5 is a 2-wire digital protocol that transmits sensor data at up to 125 kbps or 189 kbps, allowing a single twisted-pair cable to carry both 8 V power and digital acceleration data back to the ECU. In contrast, an analogue ratiometric sensor requires a separate reference voltage line and is susceptible to resistive losses in cables longer than 1 m. PSI5 eliminates these concerns while providing built-in CRC error detection for functional safety compliance.
What PCB footprint area does AIS1200PSTR occupy, and how does it compare to a MEMS sensor in a QFN package?
AIS1200PSTR in SOP-16 occupies a land pattern of approximately 9.93 mm × 3.94 mm (about 39 mm²). A comparable MEMS sensor in a 4 mm × 4 mm QFN-16 would occupy only 16 mm², roughly 60% less. Engineers should account for the larger SOP footprint in dense automotive PCB layouts but benefit from the package's easier hand-soldering and inspection during prototype builds and rework.
For an electronic stability control module, how does AIS1200PSTR's single-axis sensing architecture fit into a 3-axis measurement system?
A single-axis sensor like AIS1200PSTR measures acceleration along one defined axis with high precision and low cross-axis sensitivity. To cover all 3 spatial axes for ESC (X, Y, Z), engineers mount 3 AIS1200PSTR devices oriented orthogonally on the PCB, or pair it with a multi-axis MEMS sensor for the remaining 2 axes. This modular approach allows each sensing axis to be independently calibrated and replaced, improving fault isolation in safety-critical ISO 26262 ASIL-B or higher designs.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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