A3992SBT- Allegro MicroSystems, Inc., A3992SBT- Datasheet
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A3992SBT-
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A3992SBT- Summary of contents
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DMOS Dual Full-Bridge Microstepping PWM Motor Driver Features and Benefits ▪ ±1 continuous output rating ▪ Low R DMOS output drivers DS(on) ▪ Short-to-ground protection ▪ Shorted load protection ▪ Optimized microstepping via six bit linear DACs ...
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... 500 – 150 –55 to 150 Notes Rating Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com Units ºC ºC ºC Units °C/W °C/W °C/W ° ...
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... Mode 1, 2 Programmable PWM Timer Fixed-Off Blank Mixed Decay DMOS Dual Full-Bridge 0.22 µF CP1 VCP Charge Pump 0.22 µF VBB1 >47 µF OUT1A OUT1B SENSE1 VBB2 OUT2A OUT2B SENSE2 0.1 µF Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 3 ...
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... Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com Units μA –50 μA 0.6 Ω 0.6 Ω 1 μA ...
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... This bit determines the reference D18 determines if the scaling Range Select. Divider Load Current ÷ /(R I TRIP DAC ÷ /(R I TRIP DAC Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com × 8) SENSE × 4) SENSE 5 ...
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... OSC 2 bits to set timing D12 Source and Rate 0 Internal clock 4 MHz 1 External clock f ÷ External clock f ÷ External clock f ÷ 4 Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 6 ...
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... The device can be put into the low- The PWM timer is based on an oscillator to further improve the tolerance. The 204 × OSC OSC . Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com OSC 7 ...
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... DMOS Dual Full-Bridge Should a motor winding short to During a shorted load event, the cur μs off div. 5 μs / div. (B) Short-to-load event Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 8 ...
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... H. Minimum Sleep to Clock Setup Time Setup “Idle” Release to Output Enable 40 ns DMOS Dual Full-Bridge . Circuitry turns off all drivers Data is clocked F G LSB - 120 ns 50 μ Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 9 ...
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... CLOCK CP1 PAD CVCP DATA VCP GND GND ROSC REF OSC MUX SLEEP CREG VDD VREG OUT2A OUT2B SENSE2 VBB2 RS2 CVDD OUT2A OUT2B Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com V BB CVBB2 CVBB1 10 ...
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... CP2 STROBE 4 20 CP1 CLOCK 5 VCP 19 DATA 6 PAD 18 GND GND 7 17 OSC REF 8 SLEEP 16 MUX 9 15 VREG VDD 10 14 OUT2B OUT2A 11 VBB2 13 SENSE2 12 Pin Description Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 11 ...
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... MIN .100 .2.54 .150 3.81 .115 2.92 .022 .056 24X .014 .036 .010 [0.25 DMOS Dual Full-Bridge .014 0.36 .008 0.20 .430 10.92 .300 .7.62 MAX C .210 5.33 SEATING MAX PLANE Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 12 ...
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... Allegro products are not authorized for use as critical components in life-support devices or sys tems without express written approval. The in for ma tion in clud ed herein is believed rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its use; nor for any in fringe ment of patents or other rights of third parties which may result from its use. ...