BQ27530-G1 Datasheet, PDF (8/20 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge for Use With the bq2416x Charger Controller

bq27530-G1
SLUSAL5 – DECEMBER 2012
www.ti.com
DATA FLASH MEMORY 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_DR ⁽¹⁾
Data retention
10
Flash-programming write
cycles ⁽¹⁾
20,000
t_WORDPROG ⁽¹⁾
I_CCPROG ⁽¹⁾
t_DFERASE ⁽¹⁾
t_IFERASE ⁽¹⁾
Word programming time
Flash-write supply current
Data flash master erase time
Instruction flash master erase
time
2
5
10
200
200
t_PGERASE ⁽¹⁾
Flash page erase time
20
(1) Specified by design. Not production tested
UNIT
Years
Cycles
ms
mA
ms
ms
ms
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 duration (high)
SCL pulse duration (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 ⁽¹⁾
300
300
600
1.3
600
600
100
0
600
66
400
UNIT
ns
ns
ns
μs
ns
ns
ns
ns
ns
μs
kHz
(1) If the clock frequency (f_SCL) is > 100 kHz, use 1-byte write commands for proper operation. All other transactions types are supported at
400 kHz. (Refer to I²C INTERFACE and I²C Command Waiting Time)
Figure 1. I²C-Compatible Interface Timing Diagrams
8
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