L6228PD Datasheet

Motor / Motion / Ignition Controllers & Drivers


The L6228PD is a DMOS Fully Integrated Stepper Motor Driver with non-dissipative Overcurrent Protection,realized in MultiPower-BCD technology, which combines is olated DMOS Power Transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a two-phase bipolar stepper motor including: a dual DMOS Full Bridge, the constant off time PWM Current Controller that performs the chopping regulation and the Phase Sequence Generator, that generates the stepping sequence. Available in PowerDIP24 (20+2+2),PowerSO36 and SO24 (20+2+2) packages, the L6228PD features a non-dissipative overcurrent protection on the high side Power MOSFETs and thermal shutdown. L6228PD Features • Operating supply voltage from 8 to 52v• 2.8a output peak current (1.4a rms)• Rds(on) 0.73w typ. value @ tj = 25°c• Operating frequency up to 100khz• Non dissipative overcurrent protection• Dual independent constant toff pwm current controllers• Fast/slow decay mode selection• Fast decay quasi-synchronous rectification• Decoding logic for stepper motor full and half step drive• Cross conduction protection• Thermal shutdown• Under voltage lockout• Integrated fast free wheeling diodes L6228PD Applications • Bipolar stepper motor


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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