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Intel® RAID Smart Battery AXXRSBBU7 Technical Product Specification 
Hardware 
Revision 1.0 
 
 
 
Intel order number E70473-001 
7 
Pin 
Signal Name 
Signal Type 
6 GND 
GND 
7 +3.3 
V 
Input 
8 GND 
GND 
9 
DDR – Rail (2.5 V – 1.8 V) 
In power / out power, depending on mode 
10 GND 
GND 
11 AUXPWR_3.3V 
Input 
12 GND 
GND 
13 
SCL 
Input / output 
14 GND 
GND 
15 
SDA 
Input / output 
16 PFAIL# 
Output 
17 SPARE 
N/A 
18 XD0-BBE 
Input 
19 BBSTROBE 
Output 
20 BBSTATUS 
Output 
 
2.6  Battery Module  
The battery module includes components and states of operation as described below. 
2.6.1 
Internal Connecting Cable 
Within the battery module, a 5-pin connector cable connects the battery pack to the Smart 
Battery circuit board. 
Table 5. Interface Connector Pin-out 
Pin 
Signal Name 
I/O 
Description 
1 
VBATP 
Input 
Battery positive terminal 
2 THERMISTOR 
SENSE 
Output 
Sense contact of the thermistor 
3 
GND 
Input 
Battery negative terminal 
4 SCL 
Output 
I
2
C Clock for pack monitoring 
5 SDA 
Input I
2
C Data for pack monitoring 
2.6.2 
Circuit Logic Board 
The Intel
®
 RAID Smart Battery AXXRSBBU7 is based on the Texas Instruments bq2060A SBS 
v1.1-compliant Gas Gauge IC*. The SBS v1.1 IC maintains an accurate record of the available 
charge. It monitors the amount of charge input into or removed from the Intel
®
 RAID Smart 
Battery AXXRSBBU7 to determine the battery capacity. 
The bq2060A measures battery voltage, temperature, and current; estimates battery self-
discharge and monitors the battery for low-voltage thresholds. It measures charge and 
discharge activity by monitoring the voltage across a small-value series sense resistor between 
the battery’s negative terminal and the negative terminal of the battery pack. The battery charge