參數(shù)資料
型號(hào): L9651
廠商: 意法半導(dǎo)體
英文描述: SMART QUAD SWITCH
中文描述: 智能四開(kāi)關(guān)
文件頁(yè)數(shù): 1/9頁(yè)
文件大小: 119K
代理商: L9651
1/9
L9651
April 2001
I
Modified VDMOS Power Stage (U
DSBR
> 80V)
I
RDSON < 500 mOhm (T
j
= 25°C)
I
CMOS Compatible Inputs
I
Enable Input (Reset)
I
Outputs Capable of up to 2.2 Amperes
I
Outputs Internally Clamped at 70V for Fast
Inductive Load Switch Off
I
Wide operating supply voltage from 4.7V up to
30V
DIAGNOSTIC FUNCTIONS
I
Open Load Detection (Output off, 100
μ
s-
filtering time)
I
Short to Ground Detection (Output off, 100
μ
s -
filtering time)
I
Short to Battery Detection (Output on)
I
Over temperature detection (Output on)
I
Storage of last fault in 8 Bit - Serial Register
I
Fault Signal Indication at Serial Data Out
without need to read out the Serial Interface
I
Daisy Chainable Serial Diagnostic
I
Serial Interface Clock Frequency up to 500kHz
DESCRIPTION
The L9651 consists of four identical low side power
switches. A serial diagnostic interface indicates fail-
ure mode of each switch (short circuit to V
BAT
or
ground and open load or over temperature).
PowerSO-20
ORDERING NUMBER: L9651
SMART QUAD SWITCH
BLOCK DIAGRAM
Serial Diagnostic
Turn On
V
BAT
Clock
Sync.
S
Ground
R
G
Four Fold
Logic
Short Circuit
Protection
G
G
G
G
G
Fault Detection
References
Gate
Control
O
Data In
I
Underv. Shutd.
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