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2927 Scheda tecnica(PDF) 3 Page - Allegro MicroSystems |
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2927 Scheda tecnica(HTML) 3 Page - Allegro MicroSystems |
3 / 8 page 2927 DUAL FULL-BRIDGE PWM MOTOR DRIVER ELECTRICAL CHARACTERISTICS at T A = +25 °C, V BB = 50 V, V CC = 5.0 V, V REF = 5.0 V (unless otherwise noted). Characteristic Symbol Test Conditions Min. Typ. Max. Units Output Drivers (OUT A or OUT B ) Motor Supply Range V BB I OUT = ±1.5 A, L = 15 mH 10 — 50 V Output Leakage Current I CEX V OUT = V BB — <1.0 5.0 µA V OUT = 0 — <-1.0 -5.0 µA Output Saturation Voltage V CE(SAT) Sink Driver, I OUT = +1.0 A* — 0.5 0.7 V Sink Driver, I OUT = +1.5 A* — 0.8 0.9 V Source Driver, I OUT = -1.0 A* — 1.8 1.9 V Source Driver, I OUT = -1.5 A* — 1.9 2.0 V Flyback Diode Forward Volt. V F I F = 1.5 A — 1.6 2.0 V Driver Supply Current I BB(ON) Both Bridges ON, No Load — 6.5 9.0 mA I BB(OFF) Both Bridges OFF — 4.0 4.0 mA Control Logic Input Voltage V IN(1) All Inputs 2.4 — — V V IN(0) All Inputs — — 0.8 V Input Current I IN(1) V IN = 2.4 V — <1.0 20 µA I IN(0) V IN = 0.8 V — -3.0 -200 µA Reference Voltage Range V REF Operating 1.5 — 7.5 V Current Limit Threshold V REF /V SENSE I 0 = I 1 = 0.8 V 9.5 10 10.5 — I 0 = 2.4 V, I 1 = 0.8 V 13.5 15 16.5 — I 0 = 0.8 V, I 1 = 2.4 V 25.5 30 34.5 — Thermal Shutdown Temp. T J — 170 — °C Total Logic Supply Current I CC(ON) I 0 = I 1 = V EN = 0.8 V, No Load — 90 105 mA I CC(OFF) I 0 = I 1 = 2.4 V, No Load — 10 12 mA Negative current is defined as coming out of (sourcing) the specified device pin. Typical Data is for design information only. * Pulse test (<10 ms). Limits (at trip point) |
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