L6228Q Ver la hoja de datos (PDF) - STMicroelectronics

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Fabricante

L6228Q

DMOS driver for bipolar stepper motor

STMicroelectronics 

L6228Q

3

Electrical characteristics

Electrical characteristics

Table 5. Electrical characteristics (TA = 25 °C, Vs = 48 V, unless otherwise specified)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

VSth(ON) Turn-on threshold

VSth(OFF) Turn-off threshold

IS

Quiescent supply current

Tj(OFF) Thermal shutdown temperature

Output DMOS transistors

All bridges OFF;

TJ = -25 °C to 125 °C(1)

5.8 6.3 6.8 V

5 5.5 6 V

5 10 mA

165

°C

RDS(on)

High-side + low-side switch ON

resistance

IDSS Leakage current

TJ = 25 ° C

TJ =125 ° C (1)

EN = Low; OUT = VS

EN = Low; OUT = GND

1.47 1.69 Ω

2.35 2.70 Ω

2 mA

-0.3

mA

Source drain diodes

VSD Forward ON voltage

trr

Reverse recovery time

tfr

Forward recovery time

ISD = 1.4 A, EN = LOW

If = 1.4 A

Logic inputs (EN, CONTROL, HALF/FULL, CLOCK, RESET, CW/CCW)

1.15 1.3 V

300

ns

200

ns

VIL

VIH

IIL

IIH

Vth(ON)

Vth(OFF)

Vth(HYS)

Low level logic input voltage

High level logic input voltage

Low level logic input current

High level logic input current

Turn-on input threshold

Turn-off input threshold

Input threshold hysteresis

Switching characteristics

tD(ON)EN

tD(OFF)EN

tRISE

tFALL

tDCLK

tCLK(min)L

tCLK(min)H

fCLK

Enable to output turn-on delay time(2)

Enable to output turn-off delay time(2)

Output rise time(2)

Output fall time(2)

Clock to output delay time (3)

Minimum clock time(4)

Minimum clock time(4)

Clock frequency

GND logic input voltage

7 V logic input voltage

ILOAD =1.4 A, resistive load

-0.3

0.8 V

2

7V

-10

µA

10 µA

1.8 2.0 V

0.8 1.3

V

0.25 0.5

V

500 650 800 ns

500 800 1000 ns

40

250 ns

40

250 ns

2

µs

1 µs

1 µs

100 kHz

Doc ID 14321 Rev 5

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