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

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部件名 BQ40Z50-R2
功能描述  1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  51 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

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

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bq40z50-R2
SLUSCS4 – JUNE 2017
www.ti.com
Product Folder Links: bq40z50-R2
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Copyright © 2017, Texas Instruments Incorporated
7.31 OCD, SCC, SCD1, SCD2 Current Protection Thresholds
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
VOCD
OCD detection
threshold voltage range
VOCD = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–16.6
–100
mV
VOCD = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–8.3
–50
ΔVOCD
OCD detection
threshold voltage
program step
VOCD = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–5.56
mV
VOCD = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–2.78
VSCC
SCC detection
threshold voltage range
VSCC = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
44.4
200
mV
VSCC = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
22.2
100
ΔVSCC
SCC detection
threshold voltage
program step
VSCC = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
22.2
mV
VSCC = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
11.1
VSCD1
SCD1 detection
threshold voltage range
VSCD1 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–44.4
–200
mV
VSCD1 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–22.2
–100
ΔVSCD1
SCD1 detection
threshold voltage
program step
VSCD1 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–22.2
mV
VSCD1 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–11.1
VSCD2
SCD2 detection
threshold voltage range
VSCD2 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–44.4
–200
mV
VSCD2 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–22.2
–100
ΔVSCD2
SCD2 detection
threshold voltage
program step
VSCD2 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 1
–22.2
mV
VSCD2 = VSRP – VSRN, AFE PROTECTION
CONTROL[RSNS] = 0
–11.1
VOFFSET
OCD, SCC, and SCDx
offset error
Post-trim
–2.5
2.5
mV
VSCALE
OCD, SCC, and SCDx
scale error
No trim
–10%
10%
—
Post-trim
–5%
5%
7.32 Timing Requirements: OCD, SCC, SCD1, SCD2 Current Protection Timing
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)
MIN
NOM
MAX
UNIT
tOCD
OCD detection
delay time
1
31
ms
ΔtOCD
OCD detection
delay time
program step
2
ms
tSCC
SCC detection
delay time
0
915
µs
ΔtSCC
SCC detection
delay time
program step
61
µs
tSCD1
SCD1 detection
delay time
AFE PROTECTION CONTROL[SCDDx2] = 0
0
915
µs
AFE PROTECTION CONTROL[SCDDx2] = 1
0
1850



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