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The OPT4001 is an ambient light sensor (ALS) with a digital output integrated circuit. It uses a two-wire interface that works with the I2C protocol making it ideal for many applications. The OPT4001YMN is the picostar package version of the OPT4001 device. The picostar package achieves very small size and thickness and orients with the photodiode facing down and senses light through a cutout in the board. This requires the sensor be soldered to a flex PCB in most applications to maximize the field of view of the sensor. The OPT4001YMNEVM is a platform for evaluating the performance of the OPT4001 under various conditions. The OPT4001YMNEVM consists of two PCBs. The first is the OPTMB EVM board, which is a motherboard. This board communicates with a computer through USB connection and provides power and sends and receives appropriate digital signals with the OPT4001 IC. The motherboard will relay USB commands from the EVM GUI software running on the PC to the OPT4001 IC through I2C. The second is the OPT4001YMN coupon board, which contains the OPT4001YMN and its support circuitry. The coupon board consists of a flex PCB soldered to a rigid board. This allows the coupon to be easily plugged and unplugged as the rigid board adds strength to the flex board.
Table 1-1 summarizes the contents of the OPT4001YMNEVM kit. Figure 1-1 shows the included hardware. Contact the Texas Instruments Product Information Center nearest you if any component is missing. It is highly recommended that you also check the OPT4001YMN product folder on the TI web site at www.ti.com to verify you have the latest versions of the released software.
Item | Quantity |
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OPT4001 coupon board (Installed on OPTMBEVM) | 1 |
OPTMBEVM board | 1 |
USB type A to type C cable | 1 |
The following documents provide information regarding Texas Instruments' integrated circuits used in the assembly of the OPT4001YMNEVM. This user's guide is available from the TI web site under literature number SBOU278. Any letter appended to the literature number corresponds to the document revision that is current at the time of the writing of this document. The latest revision can be found by clicking the link Table 1-2 and is also available from the TI web site, the Texas Instruments' Literature Response Center at (800) 477-8924, and the Product Information Center at (972) 644-5580. When ordering, identify the document by both title and literature number.
Document | Literature Number |
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OPT4001 product data sheet | SBOS993 |