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L9230

SPI CONTROLLED H-BRIDGE

PRELIMINARY DATA

s

s

s

s

s

s

s

s

s

s

s

s

s

OPERATING SUPPLY VOLTAGE 5V TO 28V

TYPICAL R

DSon

= 150 m鈩?FOR EACH

OUTPUT TRANSISTOR (AT 25擄C)

CONTINOUS DC LOAD CURRENT 5A

(T

case

< 100 擄C)

OUTPUT CURRENT LIMITATION AT TYP. 6A

SHORT CIRCUIT SHUT DOWN FOR OUTPUT

CURRENTS OVER 8A

LOGIC- INPUTS TTL/CMOS-COMPATIBLE

OPERATING-FREQUENCY UP TO 30 kHz

OVER TEMPERATURE PROTECTION

SHORT CIRCUIT PROTECTION

UNDERVOLTAGE DISABLE FUNCTION

DIAGNOSTIC BY SPI OR STATUS-FLAG

(CONFIGURABLE)

ENABLE AND DISABLE INPUT

SO20 POWER PACKAGE

PowerSO20

BARE-DIE

ORDERING NUMBERS:

L9230

L9230-DIE1

The H-Bridge is protected against over temperature

and short circuits and has an under voltage lockout

for all the supply voltages 鈥漋

S

鈥?(Main DC power sup-

ply). All malfunctions cause the output stages to go

tristate.

The H-Bridge contains integrated free-wheel diodes.

In case of free-wheeling condition, the lowside tran-

sistor is switched on in parallel of its diode to reduce

the current injected into the substrate.

Switching in parallel is only allowed, if the voltage-

level of the according output-stage is below the

ground-level.In this case it must be ensured, that the

upper transistor is switched off.

DESCRIPTION

The L9230 is an SPI controlled H-Bridge, designed

for the control of DC and stepper motors in safety crit-

ical applications and under extreme environmental

conditions.

BLOCK DIAGRAM

V

S

UNDERVOLTAGE

V

S

INTERNAL 5V

SUPPLY

IN1

IN2

GATE CONTROL

1

GATE CONTROL

2

LOGIC

DMS

SF/SCK

SS

SI

SO

MAXIMUM

CURRENT

LIMITATION

GND

D01AT470A

OVERCURRENT

HIGH-SIDE

OUT1

DI

EN

OUT2

OVER

TEMPERATURE

OVERCURRENT

LOW-SIDE

March 2003

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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L9230-DIE1相關(guān)型號PDF文件下載

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  SPI CONTROLLED H-BRIDGE
  
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