PHD User Guide
19
4.2.1.
Sensor and regulated supply capabilities
USB_VBUS
and
P5V0
are 5 V linear power supplies capable of continuously providing 500 mA to external
sensors and the USB port.
5 V Sensor/USB Supply Output
Parameters
Min
Nom
Max
Unit
Output voltage
4.5
5.0
5.5
V
Current limit
500
mA
P12V0
are 2 pins assigned to the 12 V linear power supply capable of continuously providing 500 mA to
external devices.
12 V Regulated Supply Output Parameters
Parameter
Min
Nom
Max
Unit
Output voltage (see note)
10.8
12.0
13.2
V
Current limit (total of both pins)
500
mA
Note: the 12 V sensor supply is offset 1.3 V from VBATT. In low voltage conditions
the voltage drop can result in the sensor supply going below minimum range.
