AM7228

Motor Driver ICs

http://www.amtek-semi.com

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Specifications subject to change without notice

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7. Slope Hi duty control:

When the IC using as Slope Hi duty control. The Hi duty control is setting by VL pin, and Hi duty

control can be adjusted by RL1 and RL2 ratio. Typical setting is 0.25VREF. The relation is

shown as the Fig. 5 below.

Fig.5

8. When PCB Layout, PGND & AGND (PIN 1 & Pin14) & E-PAD must be short-circuited to avoid

noise.