BQ35100 Datasheet, PDF (7/26 Pages) Texas Instruments – Lithium Primary Battery Fuel Gauge

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bq35100
SLUSCM6A – JUNE 2016 – REVISED JULY 2016
Electrical Characteristics: ADC (Temperature and Voltage Measurements) (continued)
T_A = –40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at T_A = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
t_{SR_CONV}
Conversion time
Resolution
Single conversion
125
14
ms
15 bits
V_OS(SR)
Z_ADC1
Input offset
Effective input
resistance(TS) ⁽¹⁾
10
µV
8
MΩ
Z_ADC2
Effective input
resistance(BAT) ⁽¹⁾
When not measuring
During measurement
8
MΩ
100
KΩ
I_LKG(ADC)
Input leakage
current ⁽¹⁾
0.3 µA
(1) Specified by design. Not tested in production.
6.12 Electrical Characteristics: Data Flash Memory
T_A = –40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at T_A = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Data retention(1)
t_DR
Flash –programming write cycles
10
20,000
Years
Cycles
t_WORDPROG
I_CCPROG
Word programming time
Flash-write supply current
2 ms
5
10 mA
6.13 Electrical Characteristics: I²C-Compatible Interface Timing Characteristics
T_A = –40°C to 85°C, 2.45 V < V_REGIN = V_BAT < 5.5 V; Typical Values at T_A = 25°C and V_BAT = 3.6 V (unless otherwise noted)
MIN
NOM
MAX UNIT
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 ns
300 ns
600
ns
1.3
µs
600
ns
600
ns
100
ns
0
ns
600
ns
66
µs
400 kHz
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
Copyright © 2016, Texas Instruments Incorporated
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