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A4960 Datasheet(PDF) 9 Page - Allegro MicroSystems |
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A4960 Datasheet(HTML) 9 Page - Allegro MicroSystems |
9 / 34 page Automotive, Sensorless BLDC Controller A4960 9 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ELECTRICAL CHARACTERISTICS (continued) Valid at TJ = –40°C to 150°C, VDD = 5 V, VBB = 7 to 28 V; unless otherwise specified Characteristics Symbol Test Conditions Min. Typ. Max. Unit Protection (continued) DIAG Output Clock Division Ratio ND DGx = 01 400 – – – DIAG Output VDS Threshold Error EVTHD DGx = 10 –10 – 10 mV Temperature Warning Threshold TJW Temperature increasing 125 135 145 ºC Temperature Warning Hysteresis TJWHys –15– ºC Overtemperature Threshold TJF Temperature increasing 155 170 – ºC Overtemperature Hysteresis TJFHys Recovery = TJF – TJHys –15– ºC 1Function is correct but parameters are not guaranteed above or below the general limits (7 to 28 V). 2For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device terminal. 3Current Trip Point Error is the difference between the actual current trip point and the target current trip point, referred to maximum full scale (100%) current: EITRIP = 100 × (ITRIP(Actual) – ITRIP(Target)) / IFullScale (%) . 4As VSx decreases, a fault occurs if VBAT – VSx > VSTG. STG threshold, VSTG = VDTSTH + VSTGOFF. 5As VSx increases, a fault occurs if VSx – VLSS > VSTB. STB threshold, VSTB = VDTSTH + VSTBOFF. |
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