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BD63621MUV Scheda tecnica(PDF) 1 Page - Rohm |
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BD63621MUV Scheda tecnica(HTML) 1 Page - Rohm |
1 / 29 page ○ Product structure:silicon monolithic integrated circuit ○It is not the radiation-proof design for this product. 1/24 TSZ02201-0P2P0B701290-1-2 © 2017 ROHM Co., Ltd. All rights reserved. 21.Dec.2020 Rev.002 www.rohm.com TSZ22111・14・001 36V Stepping Motor Driver BD63621MUV General Description BD63621MUV is a bipolar low-consumption driver that driven by PWM current. Rated power supply voltage of the device is 36 V, and rated output current is 2.0 A. CLK-IN driving mode is adopted for input interface, and excitation mode is corresponding to FULL STEP mode , HALF STEP mode ( 2 kinds), QUARTER STEP mode via a built-in DAC. In terms of current decay, the FAST DECAY/SLOW DECAY ratio may be set without any limitation, and all available modes may be controlled in the most appropriate way. In addition, the power supply may be driven by one single system, which simplifies the design. Features ■ Rated output current(DC)2.0A ■ Low ON resistance DMOS output ■ CLK-IN drive mode ■ PWM constant current (other oscillation) ■ Built-in spike noise cancel function (external noise filter is unnecessary) ■ Full -, half (2 kinds)-, quarter step functionality ■ Freely timing excitation mode switch ■ Current decay mode switch (linearly variable FAST/SLOW DECAY ratio) ■ Normal rotation & reverse rotation switching function ■ Power save function ■ Built-in logic input pull-down resistor ■ Power-on reset function ■ Thermal shutdown circuit (TSD) ■ Over-current protection circuit(OCP) ■ Under voltage lock out circuit (UVLO) ■ Over voltage lock out circuit (OVLO) ■ Ghost Supply Prevention (protects against malfunction when power supply is disconnected) ■ Adjacent pins short protection ■ Microminiature, ultra-thin and high heat-radiation (exposed metal type) package Application ■ PPC, multi-function printer, laser beam printer, and ink-jet printer ■ Monitoring camera and WEB camera ■ Sewing machine ■ Photo printer, FAX, scanner and mini printer ■ Toy and robot Key Specifications ■ Range of power supply voltage ■ Rated output current (continuous) ■ Rated output current (peak value) ■ Range of operating temperature ■ Output ON resistance (total of upper and lower resistors) 8 to 28 V 2.0 A 2.5 A -25 to +85 °C 0.49 Ω (Typ) Package W(Typ) x D(Typ)x H(Max) VQFN028V5050 5.00mm x 5.00mm x 1.00mm Typical Application Circuit Figure 1. Application circuit diagram VQFN028V5050 ENABLE 10 26 CR 27 MTH 24 VCC1 19 OUT1B 23 OUT1A 20 RNF1 12 VCC2 13 OUT2A 18 GND 17 OUT2B 16 RNF2 RNF1S 21 RNF2S 15 5 CLK 7 MODE1 8 MODE0 6 GND 9 CW_CCW VREF 28 25 GND 3 PS 4 SELECT 11 TEST 2 GND 1 GND Datasheet |
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