HA13568AT 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

부품명

상세내역

제조사

HA13568AT

CD-ROM Combo Driver

Hitachi -> Renesas Electronics 

HA13568AT

Note:

1. The output saturation voltage is the sum of the upper and lower saturation voltages.

2. See figure 1. Where,

Gctl = 20 log

∆Vrnf

∆Vctl

Vspncl

Reverse

torque

Forward

torque

Vdzspn

∆Vrnf

Vref ∆Vctl

3. Where,

Vqfcs = Vfcsp + Vfcsn

2

Vqtrr = Vtrrp + Vtrrn

2

4. See figure 2. Where,

Figure 1

0 Reverse brake Short brake

Vctl (V)

Gvfcs = 20 log

∆Vfcsp

∆Vfcsin

∆Vfcsn

∆Vfcsin

Gvtrr = 20 log

∆Vtrrp

∆Vtrrin

∆Vtrrn

∆Vtrrin

∆Vfcsp

(∆Vtrrp)

∆Vfcsin

(∆Vtrrin)

0

Vref Vfcsin (Vtrrin)

Figure 2

5. The circuit operates in soft switching drive mode only when the control input (Vctl) is lower than

fCT2 and fPHASE is higher than the threshold voltage. See figure 3.

SOFT SW mode

,
SWmode

fCT2

,

, 0


 Figure 3

SW mode

0.5V VCTL − REFIN

6. PHASE is output only when B-EMF exceeds the threshold voltage.

18

Share Link: