Overview
The ASM330LHHTR is an automotive 6-axis inertial measurement unit (IMU) produced by STMicroelectronics. This system-in-package features a 3D digital accelerometer and a 3D digital gyroscope, designed to address automotive non-safety applications. The module leverages ST’s robust and mature manufacturing processes for micromachined accelerometers and gyroscopes, serving both the automotive and consumer markets. It is AEC-Q100 compliant and industrialized through a dedicated MEMS production flow to meet automotive reliability standards. The ASM330LHHTR is fully tested with respect to temperature to ensure the highest quality level and is optimized for superior output stability, low noise, and full data synchronization, benefiting sensor-assisted applications like dead reckoning and sensor fusion.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 14-lead plastic land grid array (LGA) |
| Package Dimensions | 2.5 x 3.0 x 0.83 mm |
| Supply Voltage | 2 V to 3.6 V |
| Supply Current | 1.3 mA |
| Temperature Range | -40 °C to +105 °C |
| Accelerometer Full Scale Range | ±2 g, ±4 g, ±8 g, ±16 g |
| Gyroscope Range | ±125 dps, ±250 dps, ±500 dps, ±1000 dps, ±2000 dps, ±4000 dps |
| Interface | SPI & I²C |
| FIFO Capacity | 3 kbytes |
| Compliance | AEC-Q100, ECOPACK, RoHS, and “Green” compliant |
Key Features
- AEC-Q100 qualified for automotive reliability standards
- Extended temperature range from -40 °C to +105 °C
- Embedded compensation for high stability over temperature
- Accelerometer user-selectable full scale up to ±16 g
- Extended gyroscope range from ±125 to ±4000 dps
- SPI & I²C host serial interface
- Six-channel synchronized output to enhance accuracy of dead-reckoning algorithms
- Smart programmable interrupts
- Embedded 3 kbytes FIFO available to underload host processor
- ECOPACK, RoHS, and “Green” compliant
Applications
- Dead reckoning (DR)
- Vehicle-to-everything (V2X)
- Telematics, eTolling
- Anti-theft systems
- Impact detection and crash reconstruction
- Motion-activated functions
- Driving comfort
- Vibration monitoring and compensation
Q & A
- What is the ASM330LHHTR?
The ASM330LHHTR is an automotive 6-axis inertial measurement unit (IMU) featuring a 3D digital accelerometer and a 3D digital gyroscope.
- What are the key applications of the ASM330LHHTR?
The ASM330LHHTR is used in applications such as dead reckoning, V2X, telematics, eTolling, anti-theft systems, impact detection, and vibration monitoring.
- What is the temperature range of the ASM330LHHTR?
The ASM330LHHTR operates within a temperature range of -40 °C to +105 °C.
- What interfaces does the ASM330LHHTR support?
The ASM330LHHTR supports both SPI and I²C host serial interfaces.
- What is the full-scale range of the accelerometer in the ASM330LHHTR?
The accelerometer has a user-selectable full scale range of ±2 g, ±4 g, ±8 g, and ±16 g.
- What is the range of the gyroscope in the ASM330LHHTR?
The gyroscope range extends from ±125 dps to ±4000 dps.
- Is the ASM330LHHTR compliant with automotive standards?
Yes, the ASM330LHHTR is AEC-Q100 qualified for automotive reliability standards.
- What is the package type and dimensions of the ASM330LHHTR?
The ASM330LHHTR is packaged in a 14-lead plastic land grid array (LGA) with dimensions of 2.5 x 3.0 x 0.83 mm.
- Does the ASM330LHHTR have any embedded memory?
Yes, the ASM330LHHTR has an embedded 3 kbytes FIFO to underload the host processor.
- Is the ASM330LHHTR environmentally friendly?
Yes, the ASM330LHHTR is ECOPACK, RoHS, and “Green” compliant.
