Datasheet
(TOP VIEW)
D1
D2
D3
E1
E2
E3
C1
C2
C3
B1
B2
B3
A1
A2
A3
D1
D2
D3
E1
E2
E3
C1
C2
C3
B1
B2
B3
A1
A2
A3
(BOTTOM VIEW)
D
MIN TYP MAXDIM UNITS
2580 2610 2640D
m
1926 1956 1986E
Pin A1
Index Area
E
bq27530-G1
SLUSAL5 –DECEMBER 2012
www.ti.com
PIN ASSIGNMENT AND PACKAGE DIMENSIONS
Table 1. PIN FUNCTIONS
PIN
TYPE
(1)
DESCRIPTION
NAME NO.
Analog input pin connected to the internal coulomb counter where SRP is nearest the PACK– connection. Connect to
SRP A1 IA
5-mΩ to 20-mΩ sense resistor.
Analog input pin connected to the internal coulomb counter where SRN is nearest the Vss connection. Connect to 5-
SRN B1 IA
mΩ to 20-mΩ sense resistor.
V
SS
C1, C2 P Device ground
V
CC
D1 P Regulator output and bq27530-G1 power. Decouple with 1μF ceramic capacitor to Vss.
REGIN E1 P Regulator input. Decouple with 0.1μF ceramic capacitor to Vss.
SOC state interrupts output. Generates a pulse as described in bq27530-G1 Technical Reference Manual. Open
SOC_INT A2 I/O
drain output.
Battery Charger clock output line for chipset communication. Push-pull output. Note: CE has an internal ESD
BSCL B2 O
protection diode connected to REGIN. Recommend maintaining V
CE
≤ V
REGIN
under all conditions.
CE D2 I Chip Enable. Internal LDO is disconnected from REGIN when driven low.
BAT E2 I Cell-voltage measurement input. ADC input. Recommend 4.8V maximum for conversion accuracy.
Slave I
2
C serial communications clock input line for communication with system (Master). Open-drain I/O. Use with
SCL A3 I
10kΩ pull-up resistor (typical).
Slave I
2
C serial communications data line for communication with system (Master). Open-drain I/O. Use with 10kΩ
SDA B3 I/O
pull-up resistor (typical).
BSDA C3 I/O Battery Charger data line for chipset communication. Push-pull output.
TS D3 IA Pack thermistor voltage sense (use 103AT-type thermistor). ADC input.
Battery-insertion detection input. Power pin for pack thermistor network. Thermistor-multiplexer control pin. Use with
BI/TOUT E3 I/O
pull-up resistor >1MΩ (1.8 MΩ typical).
(1) I/O = Digital input/output, IA = Analog input, P = Power connection
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