參數(shù)資料
型號(hào)： L9230-DIE1
廠商： 意法半導(dǎo)體
英文描述： SPI CONTROLLED H-BRIDGE
中文描述： 可控的SPI H橋
文件頁數(shù)： 1/25頁
文件大?。?/td> 218K
代理商： L9230-DIE1
1/25
L9230
March 2003
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
I
OPERATING SUPPLY VOLTAGE 5V TO 28V
I
TYPICAL R
DSon
= 150 m
FOR EACH
OUTPUT TRANSISTOR (AT 25°C)
I
CONTINOUS DC LOAD CURRENT 5A
(T
case
< 100 °C)
I
OUTPUT CURRENT LIMITATION AT TYP. 6A
I
SHORT CIRCUIT SHUT DOWN FOR OUTPUT
CURRENTS OVER 8A
I
LOGIC- INPUTS TTL/CMOS-COMPATIBLE
I
OPERATING-FREQUENCY UP TO 30 kHz
I
OVER TEMPERATURE PROTECTION
I
SHORT CIRCUIT PROTECTION
I
UNDERVOLTAGE DISABLE FUNCTION
I
DIAGNOSTIC BY SPI OR STATUS-FLAG
(CONFIGURABLE)
I
ENABLE AND DISABLE INPUT
I
SO20 POWER PACKAGE
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.
The H-Bridge is protected against over temperature
and short circuits and has an under voltage lockout
for all the supply voltages ”V
S
” (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.
PowerSO20
BARE-DIE
ORDERING NUMBERS:
L9230
L9230-DIE1
PRELIMINARY DATA
SPI CONTROLLED H-BRIDGE
BLOCK DIAGRAM
IN1
V
S
GND
OUT1
OUT2
IN2
DI
EN
DMS
SF/SCK
SS
SI
SO
LOGIC
UNDERVOLTAGE
V
S
INTERNAL 5V
SUPPLY
OVERCURRENT
HIGH-SIDE
OVERCURRENT
LOW-SIDE
GATE CONTROL
1
GATE CONTROL
2
OVER
TEMPERATURE
MAXIMUM
CURRENT
LIMITATION
D01AT470A
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