bq20z80-V101
www.ti.com
SLUS625D–SEPTEMBER 2004–REVISED OCTOBER 2005
ELECTRICAL CHARACTERISTICS
VDD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
3.3
350(1)
8(1)
MAX UNIT
VDD
IDD
Supply voltage
VDDA and VDDD
No flash programming
Sleep mode
3
3.6
V
Operating mode current
µA
µA
I(SLP)
VOL
Low-power storage mode current
Output voltage low SMBC, SMBD, SDATA, SCLK,
SAFE, SAFE, PU
IOL = 0.5 mA
0.4
0.4
LED1 – LED5
IOL = 10 mA
VOH
VIL
Output high voltage, SMBC, SMBD, SDATA, SCLK, IOH = –1 mA
SAFE, SAFE, PU
VDD– 0.5
–0.3
Input voltage low SMBC, SMBD, SDATA, SCLK,
XALERT, PRES, PFIN
0.8
V
DISP
–0.3
2
0.8
6
VIH
Input voltage high SMBC, SMBD, SDATA, SCLK,
XALERT, PRES, PFIN
DISP
2
VCC + 0.3
CIN
Input capacitance
5
pF
V
V(AI1)
V(AI2)
Z(AI1)
Z(AI2)
Input voltage range VIN, TS1, TS2
Input voltage range SR1, SR2
VSS– 0.3
1
VSS– 0.25
0.25
Input impedance SR1, SR2
0 V–1 V
0 V–1 V
2.5
8
MΩ
MΩ
Input impedance VIN, TS1, TS2
(1) This value does not include the bq29312
POWER-ON RESET
VDD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
Negative-going voltage input
Power-on reset hysteresis
TEST CONDITIONS
MIN
TYP
2.3
MAX
2.5
UNIT
V
VIT–
2.1
50
VHYS
150
200
mV
POWER ON RESET BEHAVIOR
vs
FREE-AIR TEMPERATURE
2.50
2.45
2.40
2.35
2.30
2.25
2.20
140
135
130
125
120
115
110
105
100
V
V
IT-
hys
2.15
2.10
-20 -10
0
10 20 30 40 50 60 70 80
- Free-Air Temperature - °C
T
A
INTEGRATING ADC (Coulomb Counter) CHARACTERISTICS
VDD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
–0.25
TYP
MAX UNIT
V(SR)
Input voltage range, V(SR2) and V(SR1)
V(SR) = V(SR2) – V(SR1)
0.25
V
V(SROS) Input offset
INL Integral nonlinearity error
1
µV
0.004% 0.019%
4
TI [ TEXAS INSTRUMENTS ]
