PDF A3520 Data sheet ( Hoja de datos )

Número de pieza	A3520
Descripción	DC Motor Controller IC
Fabricantes	Alpha Microelectronics
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No Preview Available ! www.DataSheet4U.com a3520 general features The a3520 is a DC motor controller IC, providing a single chip solution for a wide range of tasks including power supply, motor control and high level system control. The IC's components enable parallel execution of system functions such as PWM input capture, current limit monitoring, bridge clock generation, etc., while reducing the IC's MCU's load and memory requirements. IC Features MCU Features  Operating VCC range from 5-18V  On-chip 25MHz ±1% oscillator  10bit AD Converter with 8-channel multiplexer  On-chip 3.3V/5mA regulator  On-chip programmable 0.7V to 2.7V/10mA regulator, suitable for driving passive hall elements  VCC monitor  On-chip temperature sensor  6 gate driver outputs with pull and dump resistors  PWM input capture unit to decode duty cycles of external signals  Open drain signal output, over current protected  Two wire interface  0-VCC high voltage PWM-output ready to drive inrush current protection transistors  Up to 10 pins usable as GPIO  Spread spectrum PWM support via software  Non-overlapping bridge clock generator with programmable dead- time  Programmable current limit  analog comparator with programmable hysteresis (Hall sensor, Phase voltage feedback)  Standard compatible MCU  Powerful single cycle instruction set (only RAM access and branches need two cycles)  25MHz MCU clock  12 prioritized interrupt levels  256Byte RAM  4kByte Pseudo-MTP program memory  Four 16bit timers with pre-scaler  Two 8 bit timers with pre-scaler  Hardware watchdog timer  On-chip debugging support  Fast RAM-based development support  Two wire programming and debugging interface Package: QFN28 The 28 pin 4x4mm QFN package option is best suited for small board designs. 1 page

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Número de pieza	Descripción	Fabricantes
A3520	DC Motor Controller IC	Alpha Microelectronics

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