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BQ40Z50-R2 数据表(PDF) 16 Page - Texas Instruments

部件名 BQ40Z50-R2
功能描述  BQ40Z50-R2 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  55 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

BQ40Z50-R2 数据表(HTML) 16 Page - Texas Instruments

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7.25 High-Frequency Oscillator (continued)
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
tHFO(SU)
Start-up time
TA = –20°C to 85°C, oscillator frequency within +/–
3% of nominal
4
ms
oscillator frequency within +/–3% of nominal
100
µs
7.26 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
Operating frequency
262.144
kHz
fLFO(ERR)
Frequency error
TA = –20°C to 70°C, includes frequency drift
–1.5%
±0.25%
1.5%
TA = –40°C to 85°C, includes frequency drift
–2.5
±0.25
2.5
fLFO(FAIL)
Failure detection
frequency
30
80
100
kHz
7.27 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
±50
PPM/°C
TA = –40°C to 85°C, after trim
±80
7.28 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
±50
PPM/°C
TA = –40°C to 85°C, after trim
±80
7.29 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
Mass-erase time
TA = –40°C to 85°C
40
ms
tPAGEERASE
Page-erase time
TA = –40°C to 85°C
40
ms
IFLASHREAD
Flash-read current
TA = –40°C to 85°C
2
mA
IFLASHWRITE
Flash-write current
TA = –40°C to 85°C
5
mA
BQ40Z50-R2
SLUSCS4C – JUNE 2017 – REVISED APRIL 2021
www.ti.com
16
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: BQ40Z50-R2



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