BQ27000 Datasheet, PDF (6/29 Pages) Texas Instruments – SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)

bq27000, bq27200
SLUS556B – SEPTEMBER 2004 – REVISED NOVEMBER 2004
BQ27000
DRK PACKAGE
(BOTTOM VIEW)
RBI VCC VSS D/C HDQ
1
2
3
4
5
bq27000DRK
11
www.ti.com
BQ27200
DRK PACKAGE
(BOTTOM VIEW)
RBI VCC VSS SCL SDA
1
2
3
4
5
bq27200DRK
11
10 9
8
7
6
PGM GPIO SRP SRN BAT
10 9
8
7
6
PGM GPIO SRP SRN BAT
NAME
BAT
D/C
GPIO
HDQ
PGM
RBI
SCL
SDA
SRN
SRP
VCC
VSS
VSS
TERMINAL
bq27000
6
4
9
5
10
1
-
-
7
8
2
3
11
bq27200
6
-
9
-
10
1
4
5
7
8
2
3
11
DEVICE INFORMATION
TERMINAL FUNCTIONS
I/O
DESCRIPTION
I
Battery voltage sense input
-
Do not connect. Must be left floating.
I/O
General purpose input/output
I/O
Single wire HDQ serial interface
I
EEPROM programming voltage input
I
Register back-up input
I
Serial clock input (I²C)
I/O
Serial data input (I²C)
I
Current sense input (negative)
I
Current sense input (positive)
I
V_CC supply input
-
Ground input
-
Ground shield
6