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A4953 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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A4953 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 11 page Full-Bridge DMOS PWM Motor Drivers A4952 and A4953 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Terminal List Table Name Number Function A4952 A4953 FLTn 1 – Fault output, active low GND 10 1 Ground IN1 4 3 Logic input 1 IN2 3 2 Logic input 2 LSS 8 7 Power return – sense resistor connection OUT1 7 6 DMOS full bridge output 1 OUT2 9 8 DMOS full bridge output 2 PAD – – Exposed pad for enhanced thermal dissipation RTRY 2 – Logic input VBB 6 5 Load supply voltage VREF 5 4 Analog input Pin-out Diagrams Absolute Maximum Ratings Characteristic Symbol Notes Rating Unit Load Supply Voltage VBB 40 V Logic I/O Voltage Range VIN –0.3 to 6 V FLTn Sink Current IFLTN 10 mA VREF Input Voltage Range VREF –0.3 to 6 V Sense Voltage (LSS pin) VS –0.5 to 0.5 V Motor Outputs Voltage VOUT –2 to 42 V Output Current IOUT Duty cycle = 100% 2 A Transient Output Current iOUT TW < 500 ns 6 A Operating Temperature Range TA Temperature Range E –40 to 85 °C Maximum Junction Temperature TJ(max) 150 °C Storage Temperature Range Tstg –55 to 150 °C Selection Guide Part Number Packing A4952ELYTR-T 4000 pieces per 13-in. reel A4953ELJTR-T 3000 pieces per 13-in. reel Thermal Characteristics may require derating at maximum conditions, see application information Characteristic Symbol Test Conditions* Value Unit Package Thermal Resistance RθJA LJ package, on 4-layer PCB based on JEDEC standard 35 ºC/W LJ package, on 2-layer PCB with 0.8 in2. 2-oz. copper each side 62 ºC/W LY package, on 4-layer PCB based on JEDEC standard 48 ºC/W LY package, (estimate) on 2-layer PCB with 1 in2. 2-oz. copper each side 60 ºC/W *Additional thermal information available on the Allegro website. 8 7 6 5 1 2 3 4 OUT2 LSS OUT1 VBB GND IN2 IN1 VREF PAD FLTn RTRY IN2 IN1 VREF GND OUT2 LSS OUT1 VBB 1 2 3 4 5 10 9 8 7 6 PAD LJ Package (A4953) LY Package (A4952) |
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