VNQ5050K-E
Block diagram and pin configuration
1
Block diagram and pin configuration
Figure 1. Block diagram
GND
INPUT1
STATUS1
STAT_DIS
INPUT2
STATUS2
INPUT3
STATUS3
INPUT4
STATUS4
VCC
CLAMP
UNDERVOLTAGE
OVERTEMP. 1
LOGIC
CLAMP 1
DRIVER 1
CURRENT LIMITER 1
OPENLOAD ON 1
OPENLOAD OFF 1
PWRLIM 1
VCC
OUTPUT1
INPUT2
VCC
CONTROL & PROTECTION
STATUS2
EQUIVALENT TO
CHANNEL1
OUTPUT2
INPUT3
VCC
CONTROL & PROTECTION
STATUS3
EQUIVALENT TO
CHANNEL1
OUTPUT3
VCC
INPUT4
CONTROL & PROTECTION
STATUS4
EQUIVALENT TO
CHANNEL1
OUTPUT4
Table 2. Pin functions
Name
Function
VCC
OUTPUTn
Battery connection
Power output
GND
Ground connection. Must be reverse battery protected by an external
diode/resistor network
INPUTn
Voltage controlled input pin with hysteresis, CMOS compatible. Controls output
switch state
STATUSn
Open drain digital diagnostic pin
STAT_DIS
Active high CMOS compatible pin, to disable the STATUS pin
Doc ID 10864 Rev 7
5/31