Texas Instruments BQ27530EVM System-Side Impedance-Track Fuel (Gas) Gauge Direct Battery Connection Evaluation Module BQ BQ27530EVM 데이터 시트
제품 코드
BQ27530EVM
(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
xx
xx
MIN
TYP
MAX
DIM
UNITS
2580
2610
2640
D
m
1926
1956
1986
E
Pin A1
Index Area
E
SLUSAL5 – DECEMBER 2012
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-m
Ω
to 20-m
Ω
sense resistor.
Analog input pin connected to the internal coulomb counter where SRN is nearest the Vss connection. Connect to 5-
SRN
B1
IA
m
Ω
to 20-m
Ω
sense resistor.
V
SS
C1, C2
P
Device ground
V
CC
D1
P
Regulator output and bq27530-G1 power. Decouple with 1
μ
F ceramic capacitor to Vss.
REGIN
E1
P
Regulator input. Decouple with 0.1
μ
F ceramic capacitor to Vss.
SOC state interrupts output. Generates a pulse as described in
. 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
10k
Ω
pull-up resistor (typical).
Slave I
2
C serial communications data line for communication with system (Master). Open-drain I/O. Use with 10k
Ω
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 >1M
Ω
(1.8 M
Ω
typical).
(1)
I/O = Digital input/output, IA = Analog input, P = Power connection
4
Copyright © 2012, Texas Instruments Incorporated
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