NXP Semiconductors

5

33879

21

D5

Output

Drain Output 5

Output 5 MOSFET drain pin.

22

D3

Output

Drain Output 3

Output 3 MOSFET drain pin.

23

S3

Output

Source Output 3

Output 3 MOSFET source pin.

26

D4

Output

Drain Output 4

Output 4 MOSFET drain pin.

27

S4

Output

Source Output 4

Output 4 MOSFET source pin.

28

D7

Output

Drain Output 7

Output 7 MOSFET drain pin.

29

S7

Output

Source Output 7

Output 7 MOSFET source pin.

31

VPWR

Input

Battery Input

Power supply pin to the 33879. VPWR has internal reverse battery protection.

32

DO

Output

Serial Data Output

SPI control data output pin from the 33879 to the MCU. DO=0 no fault, DO=1 specific

output has fault.

33

EP

Ground

Exposed Pad

Device performs as specified with the Exposed Pad un-terminated (floating) however,

it is recommended the exposed pad be terminated to pin 1 (GND) and system ground.

Table 3. 33879 pin definitions (continued)

Pin number

Pin name

Pin function

Formal name

Definition