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BQ28Z560-R1 数据表(PDF) 8 Page - Texas Instruments

部件名 BQ28Z560-R1
功能描述  Single Cell Li-Ion Battery Gas Gauge and Protection
PDF  60 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

BQ28Z560-R1 数据表(HTML) 8 Page - Texas Instruments

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bq28z560-R1
SLUSBD3 – APRIL 2013
www.ti.com
INTERNAL TEMPERATURE SENSOR CHARACTERISTICS
TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
GTEMP
Temperature sensor voltage gain
–2.0
mV/°C
HIGH FREQUENCY OSCILLATOR
TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(OSC)
Operating frequency
2.097
MHz
TA = 0°C to 60°C
–2.0
0.38
2.0
%
f(EIO)
Frequency error (1), (2)
TA = –20°C to 70°C
–3.0
0.38
3.0
%
TA = –40°C to 85°C
–4.5
0.38
4.5
%
t(SXO)
Start-up time (3)
2.5
5
ms
(1)
The frequency error is measured from 2.097 MHz.
(2)
The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C.
(3)
The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.
LOW FREQUENCY OSCILLATOR
TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(LOSC)
Operating frequency
32.768
kHz
TA = 0°C to 60°C
–1.5
0.25
1.5
%
f(LEIO)
Frequency error (1), (2)
TA = –20°C to 70°C
–2.5
0.25
2.5
%
TA = –40°C to 85°C
–4.0
0.25
4.0
%
t(LSXO)
Start-up time (3)
500
μs
(1)
The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 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%.
INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS
TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage range, V(SRN) and
VIN(SR)
VSR = V(SRN) – V(SRP)
–0.125
0.125
V
V(SRP)
Conversion time
Single conversion
1
s
tCONV(SR)
Resolution
14
15
bits
VOS(SR)
Input offset
10
µV
INL
Integral non-linearity error
±0.007
±0.034
FSR
ZIN(SR)
Effective input resistance(1)
2.5
M
Ω
Ilkg(SR)
Input leakage current(1)
0.3
µA
(1)
Specified by design. Not production tested.
ADC (TEMPERATURE AND CELL VOLTAGE) CHARACTERISTICS
TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN(ADC)
Input voltage range
–0.2
1
V
Conversion time
125
ms
tCONV(ADC)
Resolution
14
15
bits
VOS(ADC)
Input offset
1
mV
8
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Product Folder Links: bq28z560-R1



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