AM7228
AM7228 is Single Phase Full-Wave Motor Driver manufactured by AMtek.
ures
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 m A
FG single output current FG single output voltage
10 m A
Vref output current
Iref
10 m A
HB output current High duty slope setting voltage
10 m A
Low duty slope setting voltage
Minimum Speed setting voltage
VRMI
Power dissipation (JEDEC 2S2P PCB)
Pd
3030- m W
Operate temperature range
Topr
-40～+105
℃
Storage temperature range
Tstg
-55～+150
℃...
