E-L8150TR datasheet(11/37 Pages) STMICROELECTRONICS

部品番号	E-L8150TR

部品情報	Brushless motor predriver

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L8150

Electrical characteristcs

11/37

l

Note:

1

If 20mA is a problem for design because of power dissipation etc., it can be reduced to

something like 5mA

2

one input is set at 2.5V by means of a resistor divider. The other input moves from 0V to

Vreg. The Hall comparator must operate correctly for all its input range.

3

Opamp need to be designed to meet with Kval control by VSP.

External circuit for Vsp control (example) is shown in following Figure 4.

The tolerance at Vsp including external resistor (E96) is as follows:

mini

typ

max

V1(V)

0.85

1.23

1.6

V2(V)

1.7

2.1

2.5

V3(V)

4.9

5.4

6.1

4

FR and INTin+ are used to set test mode as follows:

Test mode is set by 8 events (clock rising edges) on FR during INTin+>4.5

(Power is kept as high-impedance for INTin+ > 4.5 until 7th event occur)

(counter for FR is reset by INTin+ < 4.5)

Table 16.

Over Voltage Protection Terminal OV

No.

Item

Symbol

Terminal

Min

Typ

Max

Unit

Remark

1

H level input voltage (operative)

VIH (OV)

OV

-6%

3.0

+6%

V

2

Hysteresis width

VIS (OV)

OV

0.3

0.4

V

Table 17.

Low Voltage Protection

No.

Item

Symbol

Terminal

Min

Typ

Max

Unit

Remark

1

operation voltage

VIL (LV)

LV

10

11

12

V

2

release voltage

VIH (LV)

LV

10.35

11.50

12.65

V

3

hysteresis width

VIS (LV)

LV

0.35

0.50

0.65

V

Table 18.

FAULTS Output Terminal FAULTS

No.

item

symbol

terminal

MIN

TYP

MAX

unit

remark

1

output saturation voltage

VFaultsL

FAULTS

0.50

V

Io=15mA, open drain

2

output leak current

IFaultsleak

FAULTS

10

uA

Vo=17.25V

Table 19.

Rotation Direction Detection Terminal DM

No.

Item

Symbol

Terminal

Min

Typ

Max

Unit

Remark

1

output saturation voltage

VDML

DM

0.50

V

Io=15mA, open drain

2

output leak current

IDMleak

DM

10

uA

Vo=17.25V

Table 20.

KVAL Contro

No.

Item

Symbol

Terminal

Min

Typ

Max

Unit

Remark

1

FS threshold voltage

INTout

-3%

4.5Vreg/5

+3%

V

Note 3

2

KVAL Min voltage

INTout

-3%

3.7Vreg/5

+3%

V

Note 3

3

KVAL max voltage

INTout

-7%

0.7Vreg/5

+7%

V

Note 3

4

FS Hysteresis

INTout

70.0

mV

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