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AM7228 - Single Phase Full-Wave Motor Driver

Datasheet Summary

Description

Fig.1 Block diagram PIN No Pin Name Function PIN No Pin Name Function 1 PGND Power ground terminal 8 RMI Minimum Speed setting terminal 2 OUT2 Motor output terminal 9 VL Hi duty slope setting terminal 3 VCC Power supply terminal 10 VH Low duty slope setting terminal 4 H+ Hall inp

Features

  • s 1) Slope adjust mode for VH and VL pin control. 6) Power Tr incorporated. ~Confidential~ 2) Soft switched drive. 3) PWM speed control. 4) Rotating speed pulse signal (FG) output. 5) Incorporating lock protection and automatic restart circuit.
  • Absolute Maximum Ratings (Ta = 25℃) 7) Hall Bias voltage built-in. 8) Soft start function built-in for reducing power up acoustic noise. Parameter Supply voltage Symbol VCC Limits 18 Unit V Output current Iomax 1200 mA FG single output c.

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Datasheet preview – AM7228

Datasheet Details

Part number AM7228
Manufacturer AMtek
File Size 579.12 KB
Description Single Phase Full-Wave Motor Driver
Datasheet download datasheet AM7228 Datasheet
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    Full PDF Text Transcription

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    AM7228 Motor Driver ICs Single Phase Full-Wave Motor Driver for Fan Motor AM7228 This is the summary of application for AM7228 optimum for driving 12V fan for general consumer equipment. The most attractive function of AM7228 is slope adjust by external resistor, that can meet most of fan request. This IC employs soft switching drive, Bi-CMOS process, and realizes silent drive, low ON resistor, and low power consumption. This also incorporate lock protection and auto restart circuit which does not require external capacitor.  Applications Optimum for driving 12V fan for general consumer equipment  Features 1) Slope adjust mode for VH and VL pin control. 6) Power Tr incorporated. ~Confidential~ 2) Soft switched drive. 3) PWM speed control.
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