LB1845 datasheet(2/7 Pages) SANYO

номер детали	LB1845

подробное описание детали	PWM Current Control Stepping Motor Driver

PDF	7 Pages

Scroll/Zoom	100%

производитель	SANYO [Sanyo Semicon Device]

домашняя страница	https://www.sanyo-av.com/us/

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2 / 7 page

No. 5505-2/7

LB1845

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

[Output Block]

Output stage supply voltage

IBB ON

IBB OFF

0.7

0.9

VO(sat)1

IO = +1.0 A sink

1.2

1.4

Output saturation voltage 1

VO(sat)2

IO = +1.5 A sink

1.4

1.7

VO(sat)3

IO = –1.0 A source

1.1

1.3

VO(sat)4

IO = –1.5 A source

1.3

1.6

Output leakage current

IO(leak)1

VO = VBB sink

µA

IO(leak)2

VO = 0 V source

–50

µA

Sustained output voltage

V(sus)

[Logic Block]

Logic supply current

ICC ON

I0 = 0.8 V, I1 = 0.8 V

19.5

25.3

ICC OFF

I0 = 2.4 V, I1 = 2.4 V

15.5

20.1

Input voltage

VIH

2.4

VIL

0.8

Input current

IIH

VIH = 2.4 V

µA

IIL

VIL = 0.8 V

–10

µA

I0 = 0.8 V, I1 = 0.8 V

9.5

10.5

Current control threshold voltage

VREF/VSENSE I0 = 2.4 V, I1 = 0.8 V

13.5

16.5

I0 = 0.8 V, I1 = 2.4 V

25.5

34.5

Thermal shutdown temperature

170

°C

Electrical Characteristics at Ta = 25°C, VBB = 38 V, VCC = 5 V, VREF = 5 V

Truth Table

Pin Assignment

Note: *Design guaranteed value

Note: Outputs go off when ENABLE is high or in the I0 = I1 = high state.

ENABLE

PHASE

OUT A

OUT B

—

OFF

Output current

VREF / (10 × RE) = IOUT

VREF / (15 × RE) = IOUT × 2/3

VREF / (30 × RE) = IOUT × 1/3

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