DS4742 Rev 7

5/13

L9914

Schematic diagram and pin description

12

1

Schematic diagram and pin description

1.1

Schematic diagram

Figure 1. Schematic diagram

1.2

Pin description

Figure 2. Pin connection (top view)

FIELD

(ROTOR)

STARTER

BATTERY

STATOR

ASVR

LOADS

RECTIFIER

BRIDGE

F+

P

G

TO ECM

L

TO ECM

TO BCM

GAPGPS03055

Table 2. Pin description

N°

Pin

Function

1

P

Phase sense input

Field monitor output

3

RESERVED

Reserved

4

L

Warning terminal output and ECM PWM input

5

GND

Ground

6

RESERVED

Reserved

7

F

Field high side driver output

Generator output sense and voltage supply to L9914

1

2

3

4

5

6

7

8

F

RESERVED

GND

L

RESERVED

P

GAPGPS03056