BQ3060 Datasheet, PDF (7/17 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE and PROTECTION with CEDV

bq3060
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SLUS928A – MARCH 2009 – REVISED NOVEMBER 2009
EXTERNAL CELL BALANCE DRIVE
PARAMETER
TEST CONDITIONS
R_{BAL_drive}
Internal pull-down
resistance for external
cell balance
Cell balance ON for VC1, VCi-VCi+1 = 4V, where i = 1~4
Cell balance ON for VC2, VCi-VCi+1 = 4V, where = i = 1~4
Cell balance ON for VC3, VCi-VCi+1 = 4V, where = i = 1~4
Cell balance ON for VC4, VCi-VCi+1 = 4V, where = i = 1~4
MIN TYP MAX UNIT
5.7
3.7
kΩ
1.75
0.85
CELL VOLTAGE MONITOR
PARAMETER
CELL Voltage Measurement Accuracy⁽¹⁾
TEST CONDITIONS
T_A = –10°C to 60°C
T_A = –40°C to 85°C
(1) This is the performance expected for non-calibrated device.
INTERNAL TEMPERATURE SENSOR
PARAMETER
T_(TEMP)
Temperature sensor accuracy
TEST CONDITIONS
THERMISTOR MEASUREMENT SUPPORT
PARAMETER
TEST CONDITIONS
R_ERR
R
Internal resistor drift
Internal resistor
TS1, TS2
MIN TYP MAX UNIT
±10 ±20
mV
±10 ±35
MIN TYP MAX UNIT
±3%
°C
MIN TYP MAX UNIT
–230
ppm/°C
17
20
kΩ
INTERNAL THERMAL SHUTDOWN
PARAMETER ⁽¹⁾
T_MAX
T_RECOVER
Maximum REG27 temperature
Recovery hysteresis temperature
(1) Parameters assured by design. Not production tested.
TEST CONDITIONS
MIN TYP MAX UNIT
125
175
°C
10
°C
HIGH FREQUENCY OSCILLATOR
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
f_(OSC)
f_(EIO)
t_(SXO)
Operating frequency of CPU clock
Frequency error⁽¹⁾
Start-up time⁽²⁾
T_A = –20°C to 70°C
T_A = –40°C to 85°C
T_A = –25°C to 85°C
2.097
–2% ±0.25%
–3% ±0.25%
3
MHz
2%
3%
6 ms
(1) The frequency drift is included and measured from the trimmed frequency at VBAT = VPACK = 14.4 V, T_A = 25°C
(2) The startup time is defined as the time it takes for the oscillator output frequency to be ±3% when the device is already powered.
LOW FREQUENCY OSCILLATOR
PARAMETER
TEST CONDITIONS
MIN
TYP
f_(LOSC)
f_(LEIO)
t_(LSXO)
Operating frequency
Frequency error⁽¹⁾
Start-up time⁽²⁾
T_A = –20°C to 70°C
T_A = –40°C to 85°C
T_A = –25°C to 85°C
–1.5%
–2.5%
32.768
±0.25%
±0.25%
(1) The frequency drift is included and measured from the trimmed frequency at VBAT = VPACK = 14.4 V, T_A = 25°C.
(2) The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.
MAX
1.5%
2.5%
100
UNIT
MHz
ms
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