L8150 datasheet(18/37 Pages) STMICROELECTRONICS

Part #	L8150

Description	Brushless motor predriver

PDF	37 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Operating description

L8150

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Figure 7.

Phase shift vs input voltage

The 4-bit A/D has an internal hysteresis so that "Analog high thresholds" are the A/D

thresholds applying a rising edge on TO pin, the "Analog low thresholds" are the A/D

thresholds applying a falling edge on TO pin.

The applied phase shift "moves" the voltage profile with respect to the Hall effect sensor in

the direction indicated by the arrows in the picture.

Table 21.

Phase Shift

Phase Shift [°C]

Analog low threshold [V]

Analog high threshold [V]

2.5

<0.20

<0.30

5.0

0.20

0.30

7.5

0.40

0.50

10.0

0.60

0.70

12.5

0.80

0.89

15.0

0.99

1.09

17.5

1.19

1.29

20.0

1.39

1.49

22.5

1.59

1.68

25.0

1.78

1.88

27.5

1.98

2.08

30.0

2.17

2.27

32.5

2.37

2.47

35.0

2.57

2.66

37.5

2.76

2.86

40.0

2.96

3.05

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