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參數(shù)資料
| 型號(hào)： | VN5770AK-E |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Quad smart power solid state relay for complete H bridge configurations |
| 中文描述： | 四完整的智能功率H橋配置固態(tài)繼電器 |
| 文件頁(yè)數(shù)： | 1/31頁(yè) |
| 文件大?。?/td> | 429K |
| 代理商： | VN5770AK-E |
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February 2007
Rev 2
1/31
31
VN5770AK-E
Quad smart power solid state relay
for complete H bridge configurations
Features
■
General features
– Inrush current management by active
power limitation on the high side switches
– Very low stand-by current
– Very low electromagnetic susceptibility
– In compliance with the 2002/95/EC
European directive
■
Protection
– High side drivers undervoltage shutdown
– Overvoltage clamp
– Output current limitation
– High and low side overtemperature
shutdown
– Short circuit protection
– ESD protection
■
Diagnostic functions
– Proportional load current sense
– Thermal shutdown indication on both the
high and low side switches
Description
The VN5770AK-E is a device formed by three
monolithic chips housed in a standard SO-28
package: a double high side and two low side
switches. The double high side is made using
STMicroelectronics VIPower M0-5 Technology,
while the low side switches are fully protected
VIPower M0-3 OMNIFET II. This device is
suitable to drive a DC motor in a bridge
configuration as well as to be used as a quad
switch for any low voltage application.
The dual high side switches integrate built-in non-
latching thermal shutdown with thermal
hysteresis. An output current limiter protects the
device in overload condition. In the case of long
overload duration, the device limits the dissipated
power to a safe level up to thermal shut-down
intervention. An analog current sense pin delivers
a current proportional to the load current
(according to a known ratio) and indicates
overtemperature shutdown of the relevant high
side switch through a voltage flag.
The low side switches have built-in non-latching
thermal shutdown with thermal hysteresis, linear
current limitation and overvoltage clamping.
Fault feedback for overtemperature shutdown of
the low side switch is indicated by the relevant
input pin current consumption going up to the fault
sink current flag.
Applications
■
DC motor driving in full or half bridge
configuration
■
All types of resistive, inductive and capacitive
loads
Type
R
DS(on)
I
OUT
V
CC
VN5770AK-E
280m
(1)
1.
Total resistance of one side in bridge configuration
8.5A
(2)
2.
Typical current limitation value
36V
SO-28
Table 1.
Order codes
Package
Tube
Tape and Reel
SO-28
VN5770AK-E
VN5770AKTR-E
www.st.com
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