TMF8828 configurable 8x8 multi-zone Time-of-Flight Sensor
Multi-zone Time-of-Flight sensor with 940nm integrated IR VCSEL in a 2.0mm x 4.6mm x 1.4mm module
Features
- Direct ToF technology with high sensitivity SPAD detection
- 8x8 configurable multi-zone configuration with multi-object detection
- Adjustable field of view (up to 63° diagonal)
- Fast Time-to-Digital Converter (TDC) architecture
- Sub-nanosecond light pulse
- 10 – 5000mm distance sensing @ 30Hz
- On-chip histogram processing
- 940nm VCSEL Class 1 Eye Safety
- High performance on-chip sunlight rejection filter and algorithm
- Small modular OLGA 2.0mm x 4.6mm x 1.4mm package
Benefits
- Delivers high SNR, wide dynamic range and no multi-path reflections
- Enables dark and sunlight environment distance measurement within ±5%
- Adaptable FoV for custom scene matching
- Provides best-in-class resolution ranging mode detection sensing
- Enables accurate distance measurements
- Provides high accuracy, greater distance between cover glass, dynamic cover glass calibration, dirt or smudge removal and crosstalk compensation
- Eye-safety circuitry stops VCSEL driver if VCSEL fault occurs
- Optical filters with algorithm support enables high ambient light resilience
- Reduced board space requirements, enables low-profile system designs in restricted space Industrial designs
Product parameters
| Supply Voltage [V] | 2.7 - 3.3 |
|---|---|
| I²C Bus [V] | 1.8 |
| Programmable | Mode setting, Repetition rate, Interrupt |
| Integrated Capabilities and Components | |
| Recommended Operating Distances [cm] | 1-500 |
| Temperature Range [°C] | -30 to 70 |
| Package | OLGA pin count 12 |
General description
The TMF8828 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3, 4x4, 3x6 and 8x8 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8828 provides distance information together with confidence values on its I2C interface.
This product suits for the following applications:
- Laser Detect Auto-Focus (LDAF)
- User presence detection
- Industrial ranging
- Level sensing
- People counting
- Object and collision avoidance
- Inventory management
- Proximity detection
Tools
| Title | Category | Headline | Buy |
|---|---|---|---|
| TMF882X Eval Kit | Application Board | Evaluation Kit for TMF8820, TMF8821 & TMF8828 | |
| TMF8821 Mcu Shield Evm | Application Board | Arduino Uno Shield format Evaluation Kit for TMF8821 | |
| TMF882x Mcu Shield Evm | Application Board | Arduino Uno Shield Evaluation Kit for for TMF8820, TMF8821 & TMF8828 |
Resources
| Type | Description | Language | ||
|---|---|---|---|---|
| Evaluation Software | TMF882x_EvalSW_v4-6-3.exe | EN | ||
| Driver | TMF882x_Driver_SDK_Source_v1.19.zip | EN | ||
| Driver | TMF882x_Driver_Python_Source_v2023.01.17.zip Python reference driver using a FTDI device as USB<->I2C interface | EN | ||
| Evaluation Software | TMF882x_Driver_Linux_v3.54.zip | EN | ||
| Driver | TMF882x_Driver_Linux_Source_v3.54.zip | EN | ||
| Driver | TMF8828_Driver_Arduino_Source_v6.zip Arduino driver written from scratch. TMF8828 driver is intended to be easy to use and understand. Simplifies porting to other non-Linux platforms. | EN |
Technical documents
| Type | Description | Language | ||
|---|---|---|---|---|
| Datasheet | TMF882x Datasheet | English | ||
| Application Note | Host Driver Communication | English | ||
| Application Note | ams Optical Sensors Design Recommendations for System EMI and ESD | English | ||
| Application Note | TMF882x Shield Board Crosstalk | English | ||
| Quick Start Guide | TMF882X_SHIELD Quick Start Guide | English | ||
| Technical Note | Eye Safety Certificate | English | ||
| User Guide | TMF882X EVM User Guide | English | ||
| Other Product Document | Logfile Format Description | English | ||
| Other Product Document | TMF882X optical design guide | English | ||
| Other Product Document | TMF8821 Software Development Kit Overview | English | ||
| Other Product Document | TMF882X-EVM kit rubber boot design STEP file | English | ||
| Other Product Document | TMF8821 / TMF8828 FoI FoV STEP file | English |
Environmental documents
| Type | Description | Language | ||
|---|---|---|---|---|
| RoHS Certificate | RoHS Certificate TMF8820, TMF8821,TMF8828 | English |
Related boards
Evaluation Kit for TMF8820, TMF8821 & TMF8828
TMF882X Eval Kit
The TMF882X Evaluation Kit comes with everything needed to evaluate the
TMF8820, TMF8821 & TMF8828 multi-zone direct Time-of-Flight sensors. The
evaluation kit comprises of a ToF sensor enclosure and sample glass, USB type A
to micro-USB cable, USB Flash drive with EVM GUI software and EVM
documentation.
Arduino Uno Shield format Evaluation Kit for TMF8821
TMF8821 Mcu Shield Evm
The TMF8821 MCU Shield board is designed to fit the Arduino UNO µC development board format. This board includes a small breakaway section which includes the target device, air gap spacers and the attached cover glass.
Arduino Uno Shield Evaluation Kit for for TMF8820, TMF8821 & TMF8828
TMF882x Mcu Shield Evm
The TMF882X MCU Shield board is desgined to fit the Arduino UNO µC development board format. This board features a small breakaway section which includes the TMF8828 device, 4 air gap spacers and 4 cover glass samples are included within this kit.
Related products
TMF8820 3x3 multi-zone Time-of-Flight Sensor
TMF8820
The TMF8820 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8820 provides distance information together with confidence values on its I2C interface.
TMF8821 configurable 4x4 multi-zone Time-of-Flight Sensor
TMF8821
The TMF8821 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3, 4x4 and 3x6 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8821 provides distance information together with confidence values on its I2C interface.