Specifications
WA_DEV_FEX20_PTS_003 Rev 002 May 26, 2010 12
3. Battery Accessory Interface
Description
3.1. Front Interface
Figure 4. Battery Accessory Front Interface
Refer to the following table for the pin description of the interface connector.
Table 1: Interface Connector Pin Description
Pin #
Signal Name
I/O Type
Voltage
Description
Min
Typical
Max
1
Vbus
I
4.75
5V
USB power input
2
Vbatt
I
4V
External power input (Power coming in
from the Fastrack Xtend)
3
Bat
O
4.2V
4.8V
Rechargeable Battery output
4
GND
-
GND
Power Ground
5
DC-IN
I
7.5V
13.2V
32V
DC input power for battery charging
6
BAT-ID
O
TBD
Battery ID with a resistor connected to
GND