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| Preliminary Specification aMC8510 SINGLE PHASE VARIABLE SPEED FAN MOTOR CONTROLLER Product Description The aMC8510 is a full featured monolithic brushless DC motor controller containing all the required driver functions to implement fan speed control. This device features a selectable slope pulse width modulator (PWM) for efficient speed control that is compatible with analog and digital control signals, programmable minimum speed setting, selectable automatic fan power down mode for power sensitive applications, latching PWM for enhanced noise immunity, integrated fault timer with auto start retry, adaptive motor kick start timer to insure start up, combined frequency generator / rotor lock output, Hall amplifier with propriety noise immunity circuitry for proper drive sequencing, compatibility with differential non-buffered and buffered sensors, op amp and pinned out reference for thermal sensor voltage scaling, fixed non-overlapping commutation delay for reduced power supply current spiking, two 40 V open drain top drive outputs, two 100 mA complementary bottom drive outputs that are ideally suited for driving power MOSFETs, programmable cycle-by-cycle current limiting, under voltage lockout and thermal shutdown protection, and an internal shunt regulator for use with higher voltage motors. Preliminary Specification - Subject to change without notice Preliminary Specification - Subject to change without notice Pin Configuration Features * * * * * * * * * * * * * * * * * * * * Phase 1 Bottom Drive Phase 2 Top Drive Reference Output Hall Hall + Minimum Speed Set Non-Inverting Input Inverting Input 1 16 Phase 2 Bottom Drive Phase 1 Top Drive VDD Current Sense Input Ground Freq Gen. Rotor Lock Slope Select Op Amp Output/ Speed Control Input Analog and digital speed control signal compatibility Selectable PWM speed control slope Programmable minimum speed setting Selectable automatic fan power down mode Latching PWM for enhanced noise immunity Integrated fault timer with auto start retry Adaptive motor kick start timer Combined frequency generator / rotor lock output Hall amplifier with propriety noise immunity circuitry Differential unbuffered and digital Hall compatibility Op amp and pinned out reference Two 40 V open drain top drive outputs Two 100 mA complementary bottom drive outputs Programmable cycle-by-cycle current limit protection Under voltage lockout Thermal shutdown protection Internal shunt regulator for higher voltage motors MSL-1 per JEDEC J-STD-020C Pb-free Matte Sn lead finish & RoHS Compliant Packages 2 15 3 14 4 13 aMC8510 5 12 6 11 7 10 8 9 Applications * * * PC, workstation and mainframe fans Telcom, LAN server fans and blowers Industrial control, card racks and instrumentation Ordering Information Part Number aMC8510D16 AMC8510QS16 Package SOIC 16 Lead -40C to 150C QSOP 16 Lead -1www.andigilog.com Junction Temperature Range Marking aMC8510 Ayww Ayww - Assembly site, year, workweek (c) Andigilog, Inc. 2007 February 2007 - 70A06002 Preliminary Specification aMC8510 QSOP16 Package Outline Drawing Top View Bottom View Preliminary Specification - Subject to change without notice Preliminary Specification - Subject to change without notice Side View End View Detail A (c) Andigilog, Inc. 2007 -2www.andigilog.com February 2007 - 70A06002 Preliminary Specification aMC8510 SOIC16 Package Outline Drawing Top View Bottom View Preliminary Specification - Subject to change without notice Preliminary Specification - Subject to change without notice Side View (c) Andigilog, Inc. 2007 -3www.andigilog.com February 2007 - 70A06002 |
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