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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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TMAG5170-Q1 bảng dữ liệu(PDF) 12 Page - Texas Instruments |
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TMAG5170-Q1 bảng dữ liệu(HTML) 12 Page - Texas Instruments |
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12 / 45 page  X Channel Magnetic Field (mT) ALERT (V) X_HI_THRESHOLD (mT) X_LO_THRESHOLD (mT) Magnetic field crossing X_HI_THRESHOLD & X_LO_THRESHOLD levels Magnetic field crossing only X_HI_THRESHOLD levels X Channel Magnetic Field (mT) time time ALERT (V) X_HI_THRESHOLD (mT) X_LO_THRESHOLD (mT) 12 TMAG5170-Q1 SBAS934 – JUNE 2020 www.ti.com Product Folder Links: TMAG5170-Q1 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated Figure 4. ALERT Pin Working as Magnetic Switch 7.3.6 Threshold Count The THRX_COUNT bits in the ALERT_CONFIG register offer robust noise filtering and immunity against false tripping while the TMAG5170-Q1 implements the ALERT function for a specific magnetic or temperature threshold crossing. With THRX_COUNT at default 00b, only one measured value must cross the threshold to be considered a valid threshold crossing event. With THRX_COUNT at 11b, four successive measured values must cross the threshold to be considered a valid threshold crossing. An internal counter tracks and records the number of threshold crossing for a given sensor. The counter resets if any of the below events occur: • The device meets the threshold cross count for the specified number per the THRX_COUNT bits, the corresponding *CH_THX bit(s) are set, & the SPI read of the SYS_STATUS register has occurred • If a measured result does not cross the threshold When the ALERT pin is configured to work as a magnetic switch, the threshold count is active for both low-to- high and high-to-low transitions, offering noise immunity in both directions of the threshold cross. |
Số phần tương tự - TMAG5170-Q1 |
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Mô tả tương tự - TMAG5170-Q1 |
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