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A3910EEETR-T Datasheet(PDF) 4 Page - Allegro MicroSystems |
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A3910EEETR-T Datasheet(HTML) 4 Page - Allegro MicroSystems |
4 / 7 page Dual Half Bridge Motor Driver A3910 4 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Logic Table HINx LINx OUTx Function Motor to Supply Function Motor to GND 0 0 Hi-Z1 Coast (Sleep2) Coast (Sleep2) 1 0 High Brake Drive 0 1 Low Drive Brake 1 1 Hi-Z1 Coast Coast 1Hi-Z is high impedance. 2Sleep mode activated by all four inputs <100 mV. ELECTRICAL CHARACTERISTICS* Valid at TA = 25°C; unless otherwise specified Characteristic Symbol Test Conditions Min. Typ. Max. Unit VBB Supply Range VBB 2.5 – 5.5 V VBB Supply Current IBB Both bridges, PWM = 50 kHz – 0.3 1 mA Sleep mode (HIN1 = HIN2 = LIN1 = LIN2 = 0 V) – <1 1 μA Output Driver On-Resistance RDS(on) Source driver, I = 400 mA, VBB = 3 V – 1.1 1.4 Ω Source driver, I = 400 mA, VBB = 5 V – 0.8 1 Ω Sink driver, I = 400 mA, VBB = 3 V – 0.5 0.65 Ω Sink driver, I = 400 mA, VBB = 5 V – 0.4 0.52 Ω Input Logic Low Level VIL – – 0.5 V Input Logic High Level VIH VBB / 2 – – V Input Hysteresis VHYS 50 150 300 mV Logic Input Current IIN VIN = 3.3 V (Pulldown = 100 kΩ) – 33 50 μA Thermal Shutdown Temperature TJTSD Temperature increasing – 165 – °C Thermal Shutdown Hysteresis ΔTJ Recovery = TJTSD – ΔTJ – 15 – °C *Specified limits are tested at a single temperature and assured over operating temperature range by design and characterization. |
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