TDK

ICM-42688-P - 2KB FIFO搭載6軸MEMS IMU | TDK InvenSense

部品番号: ICM-42688-P ✓ 生産中
在庫あり 1〜3営業日以内に発送
1.71 V to 3.6 V Vdss 0.9 mA Id 14-pin LGA, 2.5 x 3.0 x 0.91 mm Package ±2 g to ±16 g Memory
開始価格 $4.16 USD / 個
MOQ: 1 |
価格更新日: 2026-10-13
ボリューム価格
数量 単価 小計
1 $6.5 $6.50
10 $5.85 $58.50
100 $5.2 $520.00
500 $4.68 $2,340.00
1,000 $4.16 $4,160.00
ℹ️ すべての価格はUSDです

ICM-42688-P 概要

TDK InvenSense ICM-42688-Pは、3軸ジャイロスコープと3軸加速度計を統合した高精度6軸MEMSモーショントラッキングデバイスで、コンパクトな2.5 x 3.0 x 0.91 mmの14ピンLGAパッケージに収められています。I3C、I2C、SPIシリアルインターフェースをサポートし、2 kB FIFOを備え、超低消費電力のウェイクオンモーション機能によりシステム消費電力を最小限に抑えます。本デバイスは、ドローン、ロボティクス、AR/VR、産業用モニタリングなど、幅広いモーションセンシングアプリケーション向けに設計されています。

IMU(慣性計測装置)は、ジャイロスコープと加速度計を用いて角速度と線形加速度を測定するセンサーです。ICM-42688-Pはこれらを単一パッケージに統合し、モーショントラッキング用の高精度と低ノイズを提供します。IMUは、フライトコントローラー、ウェアラブルデバイス、ナビゲーションシステムなど、姿勢と動きの検出を必要とするアプリケーションに不可欠です。ICM-42688-Pは、加速度計、ジャイロスコープ、磁気計を含むモーションセンサーの広範なカテゴリに属し、センサーフュージョン階層における主要コンポーネントです。

主な特長として、ジャイロスコープのノイズ密度2.8 mdps/√Hz、加速度計のノイズ密度70 µg/√Hz、ジャイロスコープおよび加速度計ともに最大32 kHzのプログラマブル出力データレートを備えています。本デバイスは2 kB FIFOを搭載してバストラフィックとシステム消費電力を削減し、1.71 V~3.6 Vの広い電源電圧範囲をサポートします。また、プログラマブル割り込みと高度なモーション処理用のデジタルモーションプロセッサ(DMP)も備えています。

ICM-42688-Pは、低消費電力アーキテクチャを採用した先進のMEMS技術を活用し、低ノイズモードで0.9 mA、低消費電力モードで0.45 mAの標準消費電流を実現します。本デバイスは-40°C~+85°Cの温度範囲に対応し、RoHSに準拠しています。小型フットプリントと低消費電力により、バッテリー駆動およびスペース制約のある設計に最適です。

代表的なアプリケーションには、ICM-42688-Pが安定した飛行に必要な低ノイズと高出力レートを提供するドローンのフライトコントローラー、精密なモーション制御と姿勢検出のためのロボティクス、正確なヘッドトラッキングのためのAR/VRヘッドセットなどがあります。本デバイスは産業用モニタリングやウェアラブル健康デバイスにも使用されています。

ICM-42688-Pで設計する際は、電源ピンに十分なデカップリングコンデンサを配置し、I2C/SPIラインを注意深く配線してノイズを最小限に抑える適切なPCBレイアウトを確保してください。本デバイスはI2CとSPIの両方をサポートし、システム統合の柔軟性を提供します。

ドロップイン代替品: ICM-42688-P — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: ICM-42688-P (同一形状・フットプリント) — 相違点: Accelerometer Noise Density, Gyroscope Noise Density, Interface, Package.

STMicroelectronics
Accelerometer Noise Density: 90 µg/√Hz
Gyroscope Noise Density: 4 mdps/√Hz
Interface: I2C (400 kHz) / SPI (10 MHz)
比較対象 ICM-42688-P →
STMicroelectronics
Accelerometer Noise Density: 90 µg/√Hz
Gyroscope Noise Density: 4 mdps/√Hz
Interface: I2C (400 kHz) / SPI (10 MHz)
比較対象 ICM-42688-P →

クイック比較ツール — 並列比較する代替部品を選択:

BMI270

Bosch Sensortec
±2g, ±4g, ±8g, ±16g · ±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s · 120 µg/√Hz · 0.007 °/s/√Hz · 12.5 Hz to 1.6 kHz · 25 Hz to 3.2 kHz · 1.2 V to 3.6 V · 1.2 mA

✓ 在庫あり

$2.1 / 個

データシートを見る →

BMI088

Bosch Sensortec
±3 g, ±6 g, ±12 g, ±24 g · 16-bit · 160 µg/√Hz (typical) · 12.5 Hz to 1.6 kHz · ±125 °/s, ±250 °/s, ±500 °/s, ±1000 °/s, ±2000 °/s · 16-bit · 0.004 °/s/√Hz (typical) · 25 Hz to 2 kHz

✓ 在庫あり

$7.2 / 個

データシートを見る →

LSM6DS3TR-C

STMicroelectronics
±2/±4/±8/±16 g · ±125/±245/±500/±1000/±2000 dps · 1.6 Hz to 6.66 kHz (accel), 12.5 Hz to 6.66 kHz (gyro) · 16-bit · 1.71 V to 3.6 V · 0.9 mA · 0.45 mA · 8 KB

✓ 在庫あり

$0.875 / 個

データシートを見る →

ICM-42688-V

Same package and pinout, but may have different electrical specs

📋 参考代替品(カタログ未掲載)

ICM-42688-PC

Pin-compatible but not software-compatible, lacks external 32 kHz input

📋 参考代替品(カタログ未掲載)

ISM330DHCX

Same package but not pin-compatible, requires PCB redesign

📋 参考代替品(カタログ未掲載)

ICM-42688-P 最大定格&電気的特性

センサタイプ Accelerometer, Gyroscope, 6 Axis
パッケージ 14-pin LGA, 2.5 x 3.0 x 0.91 mm
インターフェース I2C, SPI, I3C
Gyroscope Full Scale Range ±15.5 dps to ±2000 dps
Accelerometer Full Scale Range ±2 g to ±16 g
Gyroscope Noise Density 2.8 mdps/√Hz
Accelerometer Noise Density 70 µg/√Hz
Output Data Rate (Gyro) Up to 32 kHz
Output Data Rate (Accel) Up to 32 kHz
FIFO Size 2 kB
電源電圧 1.71 V to 3.6 V
Current Consumption (Low-Noise Mode) 0.9 mA
Current Consumption (Low-Power Mode) 0.45 mA
動作温度 -40°C to +85°C
RoHS Compliant

ICM-42688-P ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 VDD — Power supply (1.71V to 3.6V)
ピン 2 GND — Ground
ピン 3 SCL/SPC — I2C clock or SPI clock
ピン 4 SDA/SDI — I2C data or SPI data in
ピン 5 ADO/SDO — I2C address select or SPI data out
ピン 6 CS — Chip select (active low)
ピン 7 INT1 — Interrupt 1
ピン 8 INT2 — Interrupt 2
ピン 9 RESV — Reserved, connect to GND
ピン 10 VDDIO — I/O supply voltage
ピン 11 GND — Ground
ピン 12 GND — Ground
ピン 13 GND — Ground
ピン 14 GND — Ground

主な用途

ICM-42688-P の用途: 6 件s: Drone Flight Controllers, Robotics, AR/VR Headsets, Industrial Monitoring, Wearable Health Devices, Navigation Systems.

✈️

Drone Flight Controllers

The ICM-42688-P is ideal for drone flight controllers due to its low noise density (2.8 mdps/√Hz gyro) and high output data rate (up to 32 kHz), which enable precise attitude estimation and stable flight. Its 2 kB FIFO reduces bus traffic, allowing the flight controller to read sensor data efficiently. The device's small 2.5 x 3.0 mm package fits compact drone designs, and its low power consumption (0.9 mA) extends battery life. According to a 2026 UAV model blog, the ICM-42688-P is the preferred gyro for Betaflight 4.5+ builds.

🏭

Robotics

In robotics, the ICM-42688-P provides precise motion sensing for orientation and movement control. Its low noise and high ODR enable accurate feedback for balance and navigation algorithms. The device's ultralow-power wake-on-motion feature allows the robot to remain in a low-power state until movement is detected, conserving battery life. The 2 kB FIFO helps manage sensor data efficiently, reducing processor load. The ICM-42688-P's wide supply voltage range (1.71 V to 3.6 V) makes it compatible with various robot power systems.

📱

AR/VR Headsets

The ICM-42688-P is well-suited for AR/VR headsets, where accurate head tracking is critical. Its low noise density and high ODR (up to 32 kHz) enable smooth and responsive motion tracking, reducing motion sickness. The device's small package and low power consumption are ideal for wearable devices. The 2 kB FIFO allows efficient data transfer to the host processor, minimizing latency. According to the TDK datasheet, the ICM-42688-P is designed for high-performance motion tracking in consumer electronics.

🏭

Industrial Monitoring

For industrial monitoring, the ICM-42688-P provides reliable vibration and motion sensing for predictive maintenance and equipment health monitoring. Its wide temperature range (-40°C to +85°C) and low noise ensure accurate measurements in harsh environments. The device's programmable interrupts can trigger alerts on threshold crossings, reducing the need for continuous polling. The 2 kB FIFO helps manage data bursts, and the I2C/SPI interfaces allow easy integration with industrial controllers.

💊

Wearable Health Devices

The ICM-42688-P is suitable for wearable health devices, such as fitness trackers and smartwatches, due to its low power consumption (0.45 mA in low-power mode) and small footprint. It can detect motion and orientation for activity tracking and fall detection. The ultralow-power wake-on-motion feature allows the device to remain in a low-power state until movement is detected, extending battery life. The 2 kB FIFO reduces the frequency of host processor wake-ups, further saving power.

🧭

Navigation Systems

In navigation systems, the ICM-42688-P provides inertial sensing for dead reckoning and sensor fusion with GPS. Its low noise and high ODR enable accurate velocity and position estimation. The device's 2 kB FIFO allows efficient data collection, and its programmable interrupts can synchronize with external sensors. The wide supply voltage range and low power consumption make it suitable for portable navigation devices. According to the TDK datasheet, the ICM-42688-P is designed for high-performance motion tracking.

What is the ICM-42688-P?
The ICM-42688-P is a 6-axis MEMS MotionTracking device from TDK InvenSense that combines a 3-axis gyroscope and a 3-axis accelerometer in a 2.5 x 3.0 x 0.91 mm 14-pin LGA package. It supports I2C, SPI, and I3C interfaces, features a 2 kB FIFO, and offers ultralow-power wake-on-motion support. According to the TDK datasheet DS-000347, it provides high precision and low noise for motion sensing applications.
What is the price of ICM-42688-P?
As of 2026-08-19, the ICM-42688-P is priced at approximately $6.50 for single-unit quantities, with volume pricing dropping to around $4.16 at 1000 units. Prices are based on distributor listings from DigiKey and Mouser and may vary with availability and order quantity. For the most current pricing, check distributor websites or contact TDK InvenSense directly.
Where can I buy ICM-42688-P?
The ICM-42688-P is available from major distributors including DigiKey, Mouser, LCSC, and WIN SOURCE. You can purchase it online from these distributors, which offer worldwide shipping. As of 2026-08-19, DigiKey lists it as in stock and ships the same day. For bulk orders, you can also contact TDK InvenSense directly or use their authorized distribution network.
What is the lead time for ICM-42688-P?
The lead time for ICM-42688-P varies by distributor and order quantity. As of 2026-08-19, DigiKey shows it as in stock with immediate shipping. For larger quantities, lead times may extend to several weeks. According to a 2026 article, TDK ICM-42688-P has experienced lead times up to 22 weeks in some cases, so it's advisable to check current availability with your preferred distributor.
Is ICM-42688-P in stock?
As of 2026-08-19, the ICM-42688-P is in stock at major distributors such as DigiKey and Mouser. DigiKey lists it as 'ships today' for orders placed before the cutoff time. However, stock levels can change rapidly, especially given the component's popularity in drone and robotics applications. It is recommended to check the distributor's website for real-time inventory status.
ICM-42688-P vs BMI270 - which is better for drones?
For drone flight controllers, the ICM-42688-P is generally preferred over the BMI270 due to its lower noise density (2.8 mdps/√Hz vs BMI270's 2.9 mdps/√Hz) and higher output data rate (up to 32 kHz vs 6.4 kHz). According to a 2026 UAV model blog, the ICM-42688-P is the clear winner for new drone builds, as Betaflight 4.5+ is designed around its capabilities. However, the BMI270 is a viable alternative if you need a lower-cost option.
What is the difference between ICM-42688-P and ICM-42688-V?
The ICM-42688-P and ICM-42688-V are both 6-axis IMUs from TDK InvenSense, but they differ in package and interface. The ICM-42688-P comes in a 14-pin LGA package and supports I2C, SPI, and I3C, while the ICM-42688-V is in a 14-pin LGA package with similar interfaces but may have different electrical characteristics. According to a comparison on Lisleapex, the P variant is optimized for high performance, while the V variant may have different power or noise specs. Always check the datasheet for exact differences.
When should I choose ICM-42688-P over BMI270?
Choose the ICM-42688-P over the BMI270 when you need lower noise, higher output data rates, or better thermal stability. The ICM-42688-P offers a gyroscope noise density of 2.8 mdps/√Hz and supports up to 32 kHz ODR, while the BMI270 has a noise density of 2.9 mdps/√Hz and a maximum ODR of 6.4 kHz. For demanding applications like FPV drones or high-precision robotics, the ICM-42688-P provides superior performance. However, if cost is a primary concern and your application doesn't require extreme performance, the BMI270 may be sufficient.
Is ICM-42688-P suitable for robotics?
Yes, the ICM-42688-P is highly suitable for robotics applications. Its low noise density (2.8 mdps/√Hz gyro, 70 µg/√Hz accel) and high output data rate (up to 32 kHz) enable precise motion control and orientation sensing. The 2 kB FIFO reduces bus traffic, and the ultralow-power wake-on-motion feature helps conserve battery life in mobile robots. According to the TDK datasheet, it is designed for high-performance motion tracking in industrial and consumer robotics.
What is the best drop-in replacement for ICM-42688-P?
The ICM-42688-PC from Tokmas is intended to be a pin-compatible alternative to the ICM-42688-P, but it is not software-compatible and lacks external 32 kHz input support. For a true drop-in replacement, you would need to verify pinout and register compatibility. According to a 2026 X post, the ICM-42688-PC is a clone but not SW compatible. Other alternatives like BMI270 or LSM6DS3TR-C are not pin-compatible and require PCB redesign. Always verify compatibility before substitution.
Can BMI270 replace ICM-42688-P?
No, the BMI270 cannot directly replace the ICM-42688-P because they are not pin-compatible. While both are 6-axis IMUs in a 2.5 x 3.0 mm LGA package, the pinouts and register maps differ. According to a 2026 ICAllIn article, they may share a similar outline but are not pin-compatible or firmware-compatible. Replacing the ICM-42688-P with a BMI270 requires PCB redesign and firmware porting. For a drop-in replacement, consider the ICM-42688-PC, but verify compatibility.
Where can I download the ICM-42688-P datasheet PDF?
The ICM-42688-P datasheet PDF is available from TDK's official website at https://product.tdk.com/system/files/dam/doc/product/sensor/mortion-inertial/imu/data_sheet/ds-000347-icm-42688-p-v1.6.pdf. It is also available on distributor sites like DigiKey and Mouser, and on aggregator sites like Alldatasheet. The datasheet contains full specifications, pinout, and application information. As of 2026-08-19, the latest version is v1.6.
What are the key specifications of ICM-42688-P that engineers should know?
The ICM-42688-P is a 6-axis IMU with a gyroscope noise density of 2.8 mdps/√Hz and accelerometer noise density of 70 µg/√Hz. It supports output data rates up to 32 kHz, has a 2 kB FIFO, and operates from 1.71 V to 3.6 V. The device consumes 0.9 mA in low-noise mode and 0.45 mA in low-power mode. It is packaged in a 14-pin LGA (2.5 x 3.0 x 0.91 mm) and supports I2C, SPI, and I3C interfaces. These specs make it ideal for high-performance motion tracking.
What is the best ST equivalent for ICM-42688-P?
The ST LSM6DSK320XTR is a 6-axis IMU that is considered a pin-to-pin alternative to the ICM-42688-P, but it lacks pin/register compatibility, requiring PCB redesign and firmware porting. According to a 2026 article, it delivers performance improvements but is not a drop-in replacement. For a true drop-in, you would need to verify compatibility. Other ST IMUs like LSM6DS3TR-C are not pin-compatible. Always check the datasheet for exact pinout.

エンジニアリング参考データ: ICM-42688-P — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

FPVドローン、ロボティクス、AR/VRなど要求の厳しいモーションセンシングアプリケーションで最低ノイズと最高出力データレートが必要な場合はICM-42688-Pを選択してください。I3Cサポートと2 kB FIFOは現代の設計に高度な機能を提供します。ピン互換の代替品が必要な場合はICM-42688-PCが選択肢となりますが、ソフトウェア互換性を確認してください。性能要件が低いコスト重視のアプリケーションではBMI270やLSM6DS3TR-Cで十分な場合がありますが、PCBの再設計が必要です。ICM-42688-Vは同ブランドの類似仕様の代替品ですが、正確な差異を確認してください。代替品を選択する際は、常にリードタイムと入手性を考慮してください。

代替品との比較

パラメータ この製品 ICM-42688-V ICM-42688-PC BMI270 BMI088 LSM6DS3TR-C ISM330DHCX
Package 14-pin LGA 14-pin LGA 14-pin LGA 14-pin LGA 16-pin LGA 14-pin LGA 14-pin LGA
Brand TDK InvenSense TDK InvenSense Tokmas Bosch Bosch STMicroelectronics STMicroelectronics

主な差別化要因

  • より低いジャイロスコープノイズ密度 (vs BMI270)
  • より高い出力データレート (vs BMI270)
  • I3Cインターフェースサポート (vs LSM6DS3TR-C)

設計ノート

VDDおよびVDDIOピンの近くにデカップリングコンデンサ(100 nFおよび1 µF)を配置し、安定した電源を確保してください。センサー下にソリッドグランドプレーンを使用してノイズを最小限に抑えてください。I2C/SPIラインは制御インピーダンスで配線し、短く保って信号整合性の問題を低減してください。TDKのデータシートによると、規定のノイズ性能を達成するには適切なレイアウトが重要です。

ICM-42688-Pは1.71V~3.6Vで動作します。電源電圧がこの範囲内であること、およびVDDIOがホストインターフェースに適したレベルに設定されていることを確認してください。低消費電力モードでは0.45 mAを消費しますが、起動時や高ODR動作時には電流がスパイクする可能性があります。十分なヘッドルームを持つ低ドロップアウトレギュレータを使用して安定した電圧を維持してください。

熱ドリフトや電気ノイズを引き起こす可能性のある熱源や高周波コンポーネントの近くにセンサーを配置しないでください。ICM-42688-Pは温度に敏感で、適切に隔離しないとドリフトする可能性があります。また、ADOピンを介してI2Cアドレスが正しく設定されていることを確認し、アドレスの競合を避けてください。SlimeVRのドキュメントによると、ICM-42688は温度に敏感で急速にドリフトするため、熱管理が不可欠です。

コンプライアンス情報

RoHS
Compliant
REACH
Unknown
AEC-Q100
鉛フリー
ハロゲンフリー
Unknown
紛争鉱物
Unknown

RoHS compliant per TDK datasheet. Other compliance info not specified in provided data.

データ検証日: 2026-08-19 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

ICM-42688-P datasheet ICM-42688-P price ICM-42688-P buy ICM-42688-P vs BMI270 ICM-42688-P pinout ICM-42688-P drone ICM-42688-P replacement ICM-42688-P equivalent ICM-42688-P in stock ICM-42688-P lead time

関連部品&用語

TDK InvenSense ICM-42688-P ICM-42688-V ICM-42688-PC BMI270 BMI088 LSM6DS3TR-C ISM330DHCX IMU Inertial Measurement Unit MEMS Gyroscope Accelerometer LGA I2C SPI I3C FIFO RoHS Drone Robotics AR/VR
関連技術ガイド
ICM-42688-Pガイド:ピン配置、仕様、代替品
TDK InvenSenseのICM-42688-P 6軸MEMS IMU:ジャイロノイズ2.8 mdps/√Hz、加速度ノイズ70 µg/√Hz、32 kHz ODR。2026-08-23時点で$4.16で在庫あり。
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