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BQ40Z50 データシートの表示(PDF) - Texas Instruments

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BQ40Z50 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager TI
Texas Instruments TI
BQ40Z50 Datasheet PDF : 54 Pages
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Not Recommended For New Designs
bq40z50
SLUSBS8A – DECEMBER 2013 – REVISED DECEMBER 2014
7.26 Electrical Characteristics: Low-Frequency Oscillator
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
fLFO
fLFO(ERR)
fLFO(FAIL)
Operating frequency
Frequency error
Failure detection
frequency
TA = –20°C to 70°C, includes frequency drift
TA = –40°C to 85°C, includes frequency drift
–1.5%
–2.5
30
262.144
±0.25%
±0.25
80
kHz
1.5%
2.5
100 kHz
7.27 Electrical Characteristics: Voltage Reference 1
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VREF1
Internal reference
voltage
TA = 25°C, after trim
1.21
1.215
1.22
V
VREF1(DRIFT)
Internal reference
voltage drift
TA = 0°C to 60°C, after trim
TA = –40°C to 85°C, after trim
±50
PPM/°C
±80
7.28 Electrical Characteristics: Voltage Reference 2
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VREF2
Internal reference
voltage
TA = 25°C, after trim
1.22
1.225
1.23
V
VREF2(DRIFT)
Internal reference
voltage drift
TA = 0°C to 60°C, after trim
TA = –40°C to 85°C, after trim
±50
PPM/°C
±80
7.29 Electrical Characteristics: Instruction Flash
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Data retention
10
Years
Flash programming
write cycles
1000
Cycles
tPROGWORD
Word programming
time
TA = –40°C to 85°C
40
µs
tMASSERASE
tPAGEERASE
IFLASHREAD
IFLASHWRITE
IFLASHERASE
Mass-erase time
Page-erase time
Flash-read current
Flash-write current
Flash-erase current
TA = –40°C to 85°C
TA = –40°C to 85°C
TA = –40°C to 85°C
TA = –40°C to 85°C
TA = –40°C to 85°C
40 ms
40 ms
2 mA
5 mA
15 mA
7.30 Electrical Characteristics: Data Flash
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Data retention
10
Years
Flash programming
write cycles
20000
Cycles
tPROGWORD
Word programming
time
TA = –40°C to 85°C
40
µs
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