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L9651-TR |L9651TRSTMN/a6000avaiSMART QUAD SWITCH


L9651-TR ,SMART QUAD SWITCHL9651SMART QUAD SWITCH■ Modified VDMOS Power Stage (U > 80V)DSBR■RDSON < 500 mOhm (T = 25°C) j■CMOS ..
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L9651-TR
SMART QUAD SWITCH
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L9651

April 2001 Modified VDMOS Power Stage (UDSBR > 80V) RDSON < 500 mOhm (Tj = 25°C) CMOS Compatible Inputs Enable Input (Reset) Outputs Capable of up to 2.2 Amperes Outputs Internally Clamped at 70V for Fast
Inductive Load Switch Off Wide operating supply voltage from 4.7V up to
30V
DIAGNOSTIC FUNCTIONS
Open Load Detection (Output off, 100μs-
filtering time) Short to Ground Detection (Output off, 100μs -
filtering time) Short to Battery Detection (Output on) Over temperature detection (Output on) Storage of last fault in 8 Bit - Serial Register Fault Signal Indication at Serial Data Out
without need to read out the Serial Interface Daisy Chainable Serial Diagnostic 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 VBAT or
ground and open load or over temperature).
SMART QUAD SWITCH
BLOCK DIAGRAM
L9651
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PIN CONNECTION (Top view)
PIN FUNCTION
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L9651
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
ELECTRICAL CHARACTERISTCS (6.5V < VBAT < 25V, -40 < TJ < 150°C)
L9651
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ELECTRICAL CHARACTERISTCS (continued)
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L9651
Figure 1. Typical Timing Diagram for Serial Diagnostic
ELECTRICAL CHARACTERISTCS (continued)
L9651
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Figure 2. Serial Interface Error Coding
Figure 3. Output voltage TIMING for inductive load
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