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8906 Datasheet(PDF) 3 Page - Allegro MicroSystems |
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8906 Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 12 page 8906 BIDIRECTIONAL 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER ELECTRICAL CHARACTERISTICS at TA = +25 °C, V DD = 5.0 V Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Logic Supply Voltage VDD Operating 4.5 5.0 5.5 V Logic Supply Current IDD Operating — 7.5 10 mA Sleep Mode — 250 500 µA Load Supply Voltage VBB Operating 4.0 — 14 V Thermal Shutdown TJ — 165 — °C Thermal Shutdown Hysteresis ∆T J — 20 — °C Output Drivers Output Leakage Current IDSX VBB = 14 V, VOUT = 14 V — 1.0 300 µA VBB = 14 V, VOUT = 0 V — -1.0 -300 µA Total Output ON Resistance rDS(on) IOUT = 600 mA — 1.0 1.4 Ω Output Sustaining Voltage VDS(sus) VBB = 14 V, IOUT = IOUT(MAX), L = 3 mH 14 —— V Clamp Diode Forward Voltage VF IF = 1.0 A — 1.25 1.5 V Control Logic Logic Input Voltage VIN(0) SECTOR DATA, RESET, CLK, -0.3 — 1.5 V VIN(1) CHIP SELECT, OSC 3.5 — 5.3 V Logic Input Current IIN(0) VIN = 0 V —— -0.5 µA IIN(1) VIN = 5.0 V —— 1.0 µA DATA Output Voltage VOUT(0) IOUT = 500 µA —— 1.5 V VOUT(1) IOUT = -500 µA 3.5 —— V CST Current ICST Charging -9.0 -10 -11 µA Discharging — 500 — µA CST Threshold VCSTH 2.25 2.5 2.75 V VCSTL 0.85 1.0 1.15 V Filter Current IFILTER Charging -9.0 -10 -11 µA Discharging 9.0 10 11 µA Leakage, VFILTER = 2.5 V —— 5.0 nA Filter Threshold VFILTERTH 1.57 1.85 2.13 V CD Current ICD Charging -18 -20 -22 µA Discharging 32 40 48 µA CD Current Matching — ICD(DISCHRG)/ICD(CHRG) 1.8 2.0 2.2 — CD Threshold VCDTH 2.25 2.5 2.75 V Continued next page … (Source + Sink + RS) (CD1 or CD2) |
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