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STMicroelectronics LIS202DL
- Part No.:
- LIS202DL
- Manufacturer:
- STMicroelectronics
- Category:
- Accelerometers
- Package:
- 14-VFLGA
- Datasheet:
-
LIS202DL.pdf
- Description:
- ACCEL 2.3-9.2G I2C/SPI 14LGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,197
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Product details
Overview
LIS202DL from STMicroelectronics is a 2-axis MEMS digital accelerometer in the "piccolo" family, functioning as a smart motion sensor for inertial wake-up and gesture detection. It delivers ±2g/±8g dynamically selectable full-scale range, 100 Hz / 400 Hz output data rate, I²C/SPI digital interface, and embedded click/double-click recognition - deployed in portable gaming controllers and motion-activated UIs.
For engineers reviewing the LIS202DL datasheet, LIS202DL pinout, LIS202DL application, or LIS202DL equivalent, key selection considerations include its dual-range programmability, ultra-low 0.4 mA active current, 1.8 V–compatible I/Os, and interrupt-driven wake-up capability across two independent axes.
Technical Context
The LIS202DL integrates a silicon MEMS sensing element with a dedicated CMOS interface IC, factory-trimmed to match sensor characteristics. Its signal chain includes charge amplifiers, multiplexed analog paths for X/Y axes, 8-bit A/D conversion, and configurable high-pass filtering for offset cancellation.
Interrupt generation is fully programmable per axis via registers WU_CFG_1/WU_CFG_2, supporting threshold crossing (WU_THS_1/WU_THS_2), duration timing (WU_DURATION_1/WU_DURATION_2), and source flag reporting (WU_SRC_1/WU_SRC_2). Self-test activation (STM bit) induces mechanical actuation verified by signed LSB output shift.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.16 V to 3.6 V - supports single-supply operation in battery-powered systems without level-shifting. |
| IO Voltage Compatibility | 1.8 V - enables direct interfacing with low-voltage microcontrollers (e.g., ARM Cortex-M0+). |
| Full-Scale Range | ±2g / ±8g (dynamically selectable) - allows trade-off between resolution (18 mg/digit @ ±2g) and dynamic range. |
| Output Data Rate | 100 Hz or 400 Hz - determines real-time responsiveness and power vs. latency balance in motion-triggered logic. |
| Active Current Consumption | 0.4 mA @ 100 Hz - enables multi-month operation on coin-cell batteries in always-on motion-detection nodes. |
| Shock Survivability | 10,000 g - ensures robustness against mechanical stress during drop events or industrial handling. |
| Operating Temperature | −40 °C to +85 °C - qualified for consumer electronics and industrial edge devices without thermal derating. |
Pinout & Package
Package: LGA-14 (3 mm × 5 mm × 0.9 mm Thin Land Grid Array), RoHS-compliant, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Vdd_IO | Independent 1.71–Vdd+0.1 V supply for I/O buffers - decouples communication integrity from core sensor power. |
| 2, 4, 5, 10 | GND | Dedicated ground terminals - minimize noise coupling between analog sensing and digital interface domains. |
| 3, 11 | Reserved | Internally connected; must be tied to Vdd (pin 3) or GND (pin 11) per layout guidelines. |
| 6 | Vdd | Main 2.16–3.6 V supply for MEMS element and analog front-end - powers measurement chain only. |
| 7 | CS | SPI enable / I²C mode select - low = SPI active; high = I²C mode - enables dual-interface flexibility on same PCB. |
| 8, 9 | INT1, INT2 | Open-drain inertial interrupt outputs - drive external MCU GPIOs for event-driven wake-up without polling. |
| 12 | SDO | SPI serial data output / I²C device address LSB - supports daisy-chaining and multi-drop addressing. |
| 13 | SDA/SDI/SDO | Multi-function terminal: I²C SDA, SPI SDI (3-wire), or SDO (4-wire) - reduces pin count in space-constrained designs. |
| 14 | SCL/SPC | I²C clock / SPI clock - shared clock line simplifies routing and eliminates need for separate SCLK/SCB nets. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable interrupt generator | Two independent interrupt sources (INT1/INT2) with per-axis threshold, duration, and latch control - eliminates host CPU polling overhead. |
| Click and double-click recognition | On-die state machine detects tap patterns using filtered acceleration peaks - enables UI gestures without external firmware processing. |
| Embedded high-pass filter | Configurable cut-off frequency removes static tilt offset - preserves dynamic motion fidelity in orientation-sensitive applications. |
| Self-test capability | Electrostatic actuation shifts output by ±32 LSB (X) or ±32 LSB (Y) - validates sensor functionality in-system without mechanical stimulus. |
| 10000g shock survivability | Validated under MIL-STD-202G Method 213 - ensures reliability in handheld, automotive infotainment, and industrial HMI deployments. |
Applications
| Portable Gaming Controllers | Smartphone Motion UI |
|---|---|
|
Use Scenario: Detecting tilt, shake, and tap gestures in Bluetooth-connected gamepads. IC Role / Device Role / Timing Role: Primary motion input sensor providing real-time X/Y acceleration data at 400 Hz for low-latency game physics. Use Value: Enables sub-20 ms gesture-to-action response using programmable interrupts and embedded click logic - no host-side filtering required. |
Use Scenario: Enabling screen rotation, step counting, and shake-to-undo in Android/iOS devices. IC Role / Device Role / Timing Role: System-level inertial wake-up agent triggering AP suspend/resume via INT1 on motion threshold crossing. Use Value: Reduces system power by >95% during idle via power-down mode (5 µA) while maintaining instant wake-up responsiveness. |
| Vibration Monitoring Nodes | Industrial HMI Panels |
|
Use Scenario: Battery-powered condition monitoring of pump/motor vibration signatures in remote facilities. IC Role / Device Role / Timing Role: Edge-accelerometer capturing 100 Hz waveform snapshots upon programmable amplitude-duration triggers. Use Value: Extends node lifetime to >2 years on CR2032 via 0.4 mA active current and self-contained interrupt-driven sampling. |
Use Scenario: Tap-responsive menu navigation and drop-tolerance assurance in factory-floor HMIs. IC Role / Device Role / Timing Role: Dual-role sensor: gesture input (click/double-click) and structural integrity monitor (10,000 g shock rating). Use Value: Eliminates mechanical buttons while surviving repeated impact - certified for EN 60068-2-27 shock testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2-axis digital accelerometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LIS302DL | Same pinout, identical register map, but adds Z-axis and higher ODR (800 Hz); 3.3 V only I/O. | Required for 3D motion capture; incompatible with 1.8 V hosts due to non-1.8 V–compatible I/Os. | Select when triaxial data or faster sampling is needed and voltage compatibility permits. |
| ADXL345 | 3-axis, I²C/SPI, ±2g/±4g/±8g/±16g ranges; 40–200 µA power; no built-in click/double-click engine. | Demands external firmware for tap detection; broader range selection suits industrial vibration analysis. | Choose for higher precision (13-bit resolution) or extended range needs where on-die gesture logic is not critical. |
Compared with LIS302DL and ADXL345, the LIS202DL uniquely balances ultra-low power (0.4 mA), 1.8 V I/O compatibility, and hardware-accelerated click detection in a compact 2-axis form factor - making it optimal for cost- and power-sensitive dual-axis motion interfaces.
Availability
LIS202DL is available at Aetrix Electronics and suitable for portable gaming controllers, smartphone motion UI subsystems, battery-powered vibration monitoring nodes, and industrial HMI panels requiring stable component supply through extended production lifecycles.
Supply support for LIS202DL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, specializing in MEMS, microcontrollers, power management, and automotive ICs - with over 40 years of industrial-grade design heritage.
The "piccolo" family targets ultra-compact, low-power motion sensing for portable and embedded systems - designed specifically to replace mechanical switches and enable intelligent, context-aware human-machine interaction.
FAQ
What communication protocols does the LIS202DL support?
The LIS202DL supports both I²C and SPI interfaces on shared pins (SCL/SPC, SDA/SDI/SDO), selected via the CS pin logic level. I²C operates at standard/fast mode (up to 400 kHz); SPI supports 3-wire and 4-wire configurations with programmable clock polarity and phase - enabling flexible integration with diverse host processors without protocol translation.
How is full-scale range selected on the LIS202DL?
Full-scale range (±2g or ±8g) is selected dynamically via the FS bit in CTRL_REG1 (address 0x20). Writing '0' sets ±2g (18 mg/digit sensitivity); writing '1' sets ±8g (72 mg/digit). This configuration persists across power cycles and requires no external components - allowing runtime adaptation to varying motion intensity requirements.
Does the LIS202DL require external components for basic operation?
No external components are required for basic operation: decoupling capacitors (100 nF ceramic on Vdd and Vdd_IO) are recommended per layout guidelines, but no pull-ups, resistors, or filters are mandatory. The embedded high-pass filter, self-test, and interrupt logic operate autonomously - reducing BOM count and PCB area in space-constrained designs.
What is the function of the two interrupt outputs (INT1 and INT2)?
INT1 and INT2 are independently configurable open-drain outputs that assert on programmable motion events: INT1 typically handles wake-up (e.g., any-axis threshold crossing), while INT2 supports secondary functions like click/double-click detection or high-g event latching. Each uses dedicated registers (WU_CFG_1/WU_CFG_2) for threshold, duration, and latch control - enabling parallel, low-latency event handling without host intervention.
LIS202DL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 14-VFLGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Digital
- Axis:
- X, Y
- Acceleration Range:
- ±2.3g, 9.2g
- Sensitivity (LSB/g):
- 55 (±2.3g) ~ 13 (±9.2g)
- Sensitivity (mV/g):
- -
- Bandwidth:
- 50Hz ~ 200Hz
- Output Type:
- I2C, SPI
- Voltage - Supply:
- 2.16V ~ 3.6V
- Features:
- Adjustable Bandwidth, Selectable Scale
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-LGA (3x5)
LIS202DL FAQ
1.How can I place an order for LIS202DL through Aetrix?
Please submit a Request for Quotation (RFQ) for LIS202DL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LIS202DL reliable?
The price and inventory of LIS202DL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LIS202DL is usually 5 days.
3.What payment methods are accepted for LIS202DL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LIS202DL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LIS202DL?
LIS202DL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LIS202DL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LIS202DL?
For technical support, including LIS202DL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LIS202DL requirements.
6.How does Aetrix verify that LIS202DL is sourced from the original manufacturer or authorized distributors?
All LIS202DL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LIS202DL meets industry standards.
7.What is the process for return or replacement of LIS202DL?
All LIS202DL units undergo pre-shipment inspection (PSI). If there is an issue with LIS202DL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LIS202DL part is unused and in its original packaging.
Return procedure for LIS202DL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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