BQ3055_14 Datasheet, PDF (10/27 Pages) Texas Instruments – 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

bq3055
SLUSA91B – OCTOBER 2010 – REVISED OCTOBER 2013
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ELECTRICAL CHARACTERISTICS: Internal Thermal Shutdown
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where T_A= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
T_MAX2
T_RECOVER
t_PROTECT
Maximum REG33 temperature
Recovery hysteresis temperature
Protection time
125
175
10
°C
5
µs
ELECTRICAL CHARACTERISTICS: High Frequency Oscillator
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where T_A= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f_(OSC)
f_(EIO)
t_(SXO)
Operating frequency of CPU Clock
Frequency error⁽¹⁾⁽²⁾
Start-up time⁽³⁾
T_A = –20°C to 70°C
T_A = –40°C to 85°C
T_A = –25°C to 85°C
4.194
–2%
±0.25%
2%
–3%
±0.25%
3%
3
6
MHz
ms
(1) The frequency error is measured from 4.194 MHz.
(2) The frequency drift is included and measured from the trimmed frequency at V_REG25 = 2.5V, T_A = 25°C.
(3) The startup time is defined as the time it takes for the oscillator output frequency to be ±3% when the device is already powered.
ELECTRICAL CHARACTERISTICS: Low Frequency Oscillator
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where T_A= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f_(LOSC)
f_(LEIO)
t_(LSXO)
Operating frequency
Frequency error⁽¹⁾⁽²⁾
Start-up time⁽³⁾
T_A = –20°C to 70°C
T_A = –40°C to 85°C
T_A = –25°C to 85°C
32.768
kHz
–1.5%
±0.25%
1.5%
–2.5%
±0.25%
2.5%
100
μs
(1) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5V, T_A = 25°C.
(2) The frequency error is measured from 32.768 kHz.
(3) The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.
ELECTRICAL CHARACTERISTICS: Internal Voltage Reference
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where T_A= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V_REF
V_{REF_DRIFT}
Internal Reference Voltage
Internal Reference Voltage Drift
T_A = –25°C to 85°C
T_A = 0°C to 60°C
1.215
1.225
±80
±50
1.230
V
PPM/°C
PPM/°C
ELECTRICAL CHARACTERISTICS: Flash
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where T_A= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER ⁽¹⁾
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Data retention
10
Years
Data Flash
20k
Flash programming write-cycles
Instruction Flash
1k
Cycles
Cycles
I_{CC(PROG_DF)} Data Flash-write supply current
I_{CC(ERASE_DF)} Data Flash-erase supply current
T_A = –40°C to 85°C
T_A = –40°C to 85°C
3
4
mA
3
18
mA
(1) Verified by design. Not production tested.
10
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