BQ20Z70_17 Datasheet, PDF (4/17 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK TECHNOLOGY FOR USE WITH THE bq29330

bq20z70
Not Recommended For New Designs
SLUS686B – NOVEMBER 2005 – REVISED JULY 2007
ELECTRICAL CHARACTERISTICS
V_CC = 2.4 V to 2.6 V, T_A = -40°C - 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_DD Supply voltage
I_DD Operating mode current
VDDA and VDDD
No flash programming
bq20z70 + bq29330
I_(SLP) Low-power storage mode current
Sleep mode
bq20z70 + bq29330
I_(SLP) Shutdown Current
Shutdown Mode
bq20z70 + bq29330
V_OL
Output voltage low CLKOUT, SAFE, SMBD, SMBC, SDATA,
SCLK
I_OL = 7 mA
V_OH Output high voltage CLKOUT, SAFE, SMBD,SMBC, SDATA, I_OH = –0.5 mA
SCLK
V_IL Input voltage low PRES, PFIN, SMBD, SMBC, SDATA, MRST
V_IH Input voltage high PRES, PFIN, SMBD, SMBC, SDATA, MRST
C_IN Input capacitance
V_(AI1) Input voltage range TS1, TS2, VCELL+, VCELL-
V_(AI2) Input voltage range SRP, SRN
Z_(AI1) Input impedance TS1, TS2, VCELL+, VCELL -
0V–1V
Z_(AI2) Input impedance SRP, SRN
0V–1V
(1) This value does not include the bq29330
www.ti.com
MIN TYP
2.4 2.5
400 ⁽¹⁾
475
8 ⁽¹⁾
48
0.1 ⁽¹⁾
0.2
MAX UNIT
2.6 V
μA
μA
μA
0.4 _V
V_CC – 0.5
V
2.0
– 0.2
– 0.2
8
2.5
0.8 V
V
5
pF
0.8 x V_CC
V
0.2
MΩ
MΩ
POWER-ON RESET
V_CC = 2.4 V to 2.6 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
V_IT– Negative-going voltage input
V_HYS Power-on reset hysteresis
TEST CONDITIONS
MIN TYP MAX UNIT
1.7 1.8 1.9 V
50 125 200 mV
1.81
1.8
1.79
1.78
1.77
1.76
-40 -20
0
20
40
60
80
T_A - Free-Air Temperature - °C
4
Submit Documentation Feedback