BQ24152 Datasheet, PDF (27/38 Pages) Texas Instruments – Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and USB-OTG Support

bq24152
www.ti.com ...................................................................................................................................................................................................... SLUS847 – JUNE 2008
SYMBOL
t_RCL
t_RCL1
t_FCL
t_RDA
t_FDA
t_SU; t_STO
C_B
PARAMETER
Rise time of SCL signal
Rise time of SCL signal after a
repeated START condition and after
an acknowledge bit
Fall time of SCL signal
Rise time of SDA signal
Fall time of SDA signal
Setup time for STOP condition
Capacitive load for SDA and SCL
TEST CONDITIONS
Standard mode
Fast mode
High-speed mode, C_B – 100 pF max
High-speed mode, C_B – 400 pF max
Standard mode
Fast mode
High-speed mode, C_B – 100 pF max
High-speed mode, C_B – 400 pF max
Standard mode
Fast mode
High-speed mode, C_B – 100 pF max
High-speed mode, C_B – 400 pF max
Standard mode
Fast mode
High-speed mode, C_B – 100 pF max
High-speed mode, C_B – 400 pF max
Standard mode
Fast mode
High-speed mode, C_B – 100 pF max
High-speed mode, C_B – 400 pF max
Standard mode
Fast mode
High-speed mode
MIN
20+0.1C_B
20+0.1C_B
10
20
20+0.1C_B
20+0.1C_B
10
20
20+0.1C_B
20+0.1C_B
10
20
20+0.1C_B
20+0.1C_B
10
20
20+0.1C_B
20+0.1C_B
10
20
4
600
160
TYP
MAX
1000
300
40
80
1000
300
80
160
300
300
40
80
1000
300
80
160
300
300
80
160
400
UNIT
ns
ns
ns
ns
ns
µs
ns
pF
I²C Timing Diagrams
SDA
t_f
SCL
S
t_LOW
t_r
t_SU;DAT
t_f
t_HD;STA
t_SP
t_r
t_BUF
t_HD;STA
t_HD;DAT
t_HIGH
t_SU;STA
Sr
t_SU;STO
P
S
Figure 32. Serial Interface Timing for FS Mode
Copyright © 2008, Texas Instruments Incorporated
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