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SI9979 Datasheet(PDF) 3 Page - Vishay Siliconix |
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SI9979 Datasheet(HTML) 3 Page - Vishay Siliconix |
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3 / 9 page  Si9979 Vishay Siliconix Document Number: 70012 S-41209—Rev. E, 21-Jun-04 www.vishay.com 3 SPECIFICATIONS Limits Test Conditions Unless Otherwise Specified V+ = 20 to 40 V, IDD = 0 mA Parameter Unit Maxa Typb Mina Test Conditions Unless Otherwise Specified V+ = 20 to 40 V, IDD = 0 mA Symbol Protection Low-Side Undervoltage Lockout UVLL 12.2 Low-Side Hysteresis VH 0.8 V High-Side Undervoltage Lockout UVLH SA, B, C = 0 V VDD − 3.3 Current Limit Comparator Input Bias Current IIB −5 mA Comparator Threshold Voltage VTH TA = 0 to 70_C C Suffix 90 100 110 mV Comparator Threshold Voltage VTH TA = −40 to 85_C D Suffix 85 100 125 mV Common Mode Voltage VCM 0 1 V One Shot Pulse Width t RT = 10 k, CT = 0.001 mF 8 10 12 ms One Shot Pulse Width tp RT = 10 k, CT = 0.01 mF 80 100 120 ms Notes a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum. b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. c. The reference voltage is not available for external use. d. VCAP = (V+) + (VDD). COMMUTATION TRUTH TABLE Inputs Outputs Conditions Sensors (60_Spacing) Sensors (120_Spacing) Top Drive Bottom Drive INA INB INC INA INB INC EN F/R BR K IS+ GT- A GT- B GT- C GB A GB B GB C FAULT 0 0 0 1 0 1 1 1 0 0 1 0 0 0 1 0 1 1 0 0 1 0 0 1 1 0 0 1 0 0 0 0 1 1 1 1 0 1 1 0 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 0 1 1 0 1 1 1 1 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 0 0 0 0 1 0 1 0 1 0 0 0 1 0 1 1 0 0 0 0 1 0 1 0 0 1 1 0 0 1 0 0 1 0 0 0 0 0 1 1 0 0 1 1 1 0 1 1 0 1 0 0 0 0 0 1 0 1 0 1 1 1 1 0 1 0 1 0 0 0 1 0 0 0 1 0 1 0 1 1 0 1 1 1 0 0 0 1 0 0 0 0 1 1 0 0 1 0 0 1 1 0 0 0 0 1 0 0 0 1 1 X X X X X X 0 X 0 X 0 0 0 0 0 0 0 Disable X X X X X X 0 X 1 X 0 0 0 1 1 1 0 Power Down L L L L L L 1 X 1 0 0 0 0 1 1 1 1 Brake L L L L L L 1 X 1 1 0 0 0 1 1 1 0 Over I in BRK L L L L L L 1 X 0 1 0 0 0 0 0 0 0 Over I 1 0 1 1 1 1 1 X 0 X 0 0 0 0 0 0 0 1 0 1 1 1 1 1 X 1 X 0 0 0 1 1 1 0 0 1 0 0 0 0 1 X 0 X 0 0 0 0 0 0 0 0 1 0 0 0 0 1 X 1 X 0 0 0 1 1 1 0 Notes: L. Any valid sensor combination X. Don’t care |
Similar Part No. - SI9979_04 |
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Similar Description - SI9979_04 |
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