PIN NAME FUNCTION
19, 20 VS
Supply Voltage Input. VS should be protected from reverse battery using a series diode. Bypass VS to
GND with a 0.1µF ceramic capacitor placed as close as possible to VS. In addition, bypass VS with a
47µF or greater capacitor.
21 SD
Shutdown Input. Drive SD low to place the IC into shutdown mode. Drive SD high for normal operation.
SD is battery-voltage compatible.
22 IN0
Switch Monitor Input Channel 0. Connect IN0 to a battery-connected or ground-connected switch.
When used for a battery-connected switch, add a 100Ω series protection resistor to the input.
23 IN1
Switch Monitor Input Channel 1. Connect IN1 to a battery-connected or ground-connected switch.
When used for a battery-connected switch, add a 100Ω series protection resistor to the input.
24 IN2
Switch Monitor Input Channel 2. Connect IN2 to a battery-connected or ground-connected switch.
When used for a battery-connected switch, add a 100Ω series protection resistor to the input.
25 IN3
Switch Monitor Input Channel 3. Connect IN3 to a battery-connected or ground-connected switch.
When used for a battery-connected switch, add a 100Ω series protection resistor to the input.
26 IN4 Switch Monitor Input Channel 4. Connect IN4 to a ground-connected switch.
27 IN5 Switch Monitor Input Channel 5. Connect IN5 to a ground-connected switch.
28 IN6 Switch Monitor Input Channel 6. Connect IN6 to a ground-connected switch.
31 IN7 Switch Monitor Input Channel 7. Connect IN7 to a ground-connected switch.
32 IN8 Switch Monitor Input Channel 8. Connect IN8 to a ground-connected switch.
33 IN9 Switch Monitor Input Channel 9. Connect IN9 to a ground-connected switch.
34 IN10 Switch Monitor Input Channel 10. Connect IN10 to a ground-connected switch.
35 IN11 Switch Monitor Input Channel 11. Connect IN11 to a ground-connected switch.
36 IN12 Switch Monitor Input Channel 12. Connect IN12 to a ground-connected switch.
37 IN13 Switch Monitor Input Channel 13. Connect IN13 to a ground-connected switch.
38 IN14 Switch Monitor Input Channel 14. Connect IN14 to a ground-connected switch.
39 IN15 Switch Monitor Input Channel 15. Connect IN15 to a ground-connected switch.
40 IN16 Switch Monitor Input Channel 16. Connect IN16 to a ground-connected switch.
— EP Exposed Pad. Connect EP to GND for enhanced thermal performance.
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