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A3953 Datasheet(PDF) 6 Page - Allegro MicroSystems |
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A3953 Datasheet(HTML) 6 Page - Allegro MicroSystems |
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6 / 12 page  Full-Bridge PWM Motor Driver A3953 5 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ELECTRICAL CHARACTERISTICS (continued) at TJ = 25°C, VBB = 5 V to 50 V, VCC = 3.0 V to 5.5 V (unless otherwise noted. ) Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Thermal Shutdown Temp. TJ — 165 — °C Thermal Shutdown Hysteresis ∆TJ — 8.0 — °C UVLO Enable Threshold 2.5 2.75 3.0 V UVLO Hysteresis 0.12 0.17 0.25 V Logic Supply Current ICC(ON) VENABLE = 0.8 V, VBRAKE = 2.0 V — 42 50 mA ICC(OFF) VENABLE = 2.0 V, VMODE = 0.8 V — 12 15 mA ICC(Brake) VBRAKE = 0.8 V — 42 50 mA ICC(Sleep) VENABLE = VMODE = VBRAKE = 2.0 V — 500 800 μA Motor Supply Current IBB(ON) VENABLE = 0.8 V — 2.5 4.0 mA (No Load) IBB(OFF) VENABLE = 2.0 V, VMODE = 0.8 V — 1.0 50 μA IBB(Brake) VBRAKE = 0.8 V — 1.0 50 μA IBB(Sleep) VENABLE = VMODE = 2.0 V — 1.0 50 μA Logic Supply Voltage Range VCC Operating 3.0 5.0 5.5 V Logic Input Voltage VIN(1) 2.0 — — V VIN(0) — — 0.8 V Logic Input Current IIN(1) VIN = 2.0 V — <1.0 20 μA IIN(0) VIN = 0.8 V — <-2.0 -200 μA VSENSE Voltage Range VSENSE(3.3) VCC = 3.0 V to 3.6 V 0 — 0.4 V VSENSE(5.0) VCC = 4.5 V to 5.5 V 0 — 1.0 V Reference Input Current IREF VREF = 0 V to 1 V — — ±5.0 μA Comparator Input Offset Volt. VIO VREF = 0 V — ±2.0 ±5.0 mV Control Circuitry |
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