BQ27510-G3 Datasheet, PDF (6/20 Pages) Texas Instruments – System-Side Impedance Track Fuel Gauge With Direct Battery Connection

bq27510-G3
SLUSAT1 – MARCH 2013
www.ti.com
400 kHz I²C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS
T_A = –40°C to 85°C, 2.4 V < V_CC < 2.6 V; typical values at T_A = 25°C and V_CC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
t_r
t_f
t_w(H)
t_w(L)
t_su(STA)
t_d(STA)
t_su(DAT)
t_h(DAT)
t_su(STOP)
t_BUF
f_SCL
SCL/SDA rise time
SCL/SDA fall time
SCL pulse width (high)
SCL pulse width (low)
Setup for repeated start
Start to first falling edge of SCL
Data setup time
Data hold time
Setup time for stop
Bus free time between stop and start
Clock frequency
300
300
600
1.3
600
600
100
0
600
66
400
UNIT
ns
ns
ns
μs
ns
ns
ns
ns
ns
μs
kHz
100 kHz I²C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS
T_A = –40°C to 85°C, 2.4 V < V_CC < 2.6 V; typical values at T_A = 25°C and V_CC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
t_r
t_f
t_w(H)
t_w(L)
t_su(STA)
t_d(STA)
t_su(DAT)
t_h(DAT)
SCL/SDA rise time
SCL/SDA fall time
SCL pulse width (high)
SCL pulse width (low)
Setup for repeated start
Start to first falling edge of SCL
Data setup time
Data hold time
Receive mode
Transmit mode
1
300
4
4.7
4.7
4
250
0
300
t_su(STOP)
t_BUF
f_SCL
t_BUSERR
Setup time for stop
Bus free time between stop and start
Clock frequency
Bus error timeout
4
4.7
10
100
17.3
21.2
UNIT
µs
ns
µs
μs
µs
µs
ns
ns
µs
μs
kHz
s
t_SU(STA)
t_w(H)
t_w(L)
t_f
t_r
t_(BUF)
SCL
SDA
t_d(STA)
t_f
t_r
t_h(DAT)
t_su(DAT)
t_su(STOP)
REPEATED
START
STOP
START
Figure 1. I²C-Compatible Interface Timing Diagrams
6
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