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參數(shù)資料
| 型號： | L9929XP |
| 廠商： | 意法半導體 |
| 英文描述： | SPI CONTROLLED H-BRIDGE |
| 中文描述： | 可控的SPI H橋 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 629K |
| 代理商： | L9929XP |
1/23
L9929
May 2005
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1
■
OPERATING SUPPLY VOLTAGE 5V TO 28V
■
TYPICAL R
DSon
= 150 m
FOR EACH
OUTPUT TRANSISTOR (AT 25°C)
■
CONTINOUS DC LOAD CURRENT 5A
(T
case
< 100 °C)
■
OUTPUT CURRENT LIMITATION AT TYP.
8.6A
■
SHORT CIRCUIT SHUT DOWN FOR OUTPUT
CURRENTS OVER TYP. 10.6A
■
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
Features
2
The L9929 is an SPI controlled H-Bridge, de-
signed for the control of DC and stepper motors in
safety critical applications and under extreme en-
vironmental conditions.
Description
The H-Bridge is protected against over tempera-
ture and short circuits and has an under voltage
lockout for all the supply voltages "V
S
" (Main DC
power supply). All malfunctions cause the output
stages to go tristate.
The H-Bridge contains integrated free-wheel di-
odes. In case of free-wheeling condition, the low
side transistor 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.
Figure 2. 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
PRELIMINARY DATA
SPI CONTROLLED H-BRIDGE
Rev. 2
Figure 1. Package
Table 1. Order Codes
Part Number
L9929
L9929XP
Package
PowerSO20
PowerSSO24
PowerSO20
PowerSSO24
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| L9947S | QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER |
| L9949 | DOOR ACTUATOR DRIVER |
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