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BQ40Z50-R1 数据表(PDF) 16 Page - Texas Instruments

部件名 BQ40Z50-R1
功能描述  bq40z50-R1 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
PDF  56 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

BQ40Z50-R1 数据表(HTML) 16 Page - Texas Instruments

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SLUSCB3 – JULY 2015
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7.31 Electrical Characteristics: 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 = VSRP – VSRN, AFE PROTECTION
–16.6
–100
CONTROL[RSNS] = 1
OCD detection
VOCD
mV
threshold voltage range
VOCD = VSRP – VSRN, AFE PROTECTION
–8.3
–50
CONTROL[RSNS] = 0
VOCD = VSRP – VSRN, AFE PROTECTION
–5.56
OCD detection
CONTROL[RSNS] = 1
ΔVOCD
threshold voltage
mV
VOCD = VSRP – VSRN, AFE PROTECTION
program step
–2.78
CONTROL[RSNS] = 0
VSCC = VSRP – VSRN, AFE PROTECTION
44.4
200
CONTROL[RSNS] = 1
SCC detection
VSCC
mV
threshold voltage range
VSCC = VSRP – VSRN, AFE PROTECTION
22.2
100
CONTROL[RSNS] = 0
VSCC = VSRP – VSRN, AFE PROTECTION
22.2
SCC detection
CONTROL[RSNS] = 1
ΔVSCC
threshold voltage
mV
VSCC = VSRP – VSRN, AFE PROTECTION
program step
11.1
CONTROL[RSNS] = 0
VSCD1 = VSRP – VSRN, AFE PROTECTION
–44.4
–200
CONTROL[RSNS] = 1
SCD1 detection
VSCD1
mV
threshold voltage range
VSCD1 = VSRP – VSRN, AFE PROTECTION
–22.2
–100
CONTROL[RSNS] = 0
VSCD1 = VSRP – VSRN, AFE PROTECTION
–22.2
SCD1 detection
CONTROL[RSNS] = 1
ΔVSCD1
threshold voltage
mV
VSCD1 = VSRP – VSRN, AFE PROTECTION
program step
–11.1
CONTROL[RSNS] = 0
VSCD2 = VSRP – VSRN, AFE PROTECTION
–44.4
–200
CONTROL[RSNS] = 1
SCD2 detection
VSCD2
mV
threshold voltage range
VSCD2 = VSRP – VSRN, AFE PROTECTION
–22.2
–100
CONTROL[RSNS] = 0
VSCD2 = VSRP – VSRN, AFE PROTECTION
–22.2
SCD2 detection
CONTROL[RSNS] = 1
ΔVSCD2
threshold voltage
mV
VSCD2 = VSRP – VSRN, AFE PROTECTION
program step
–11.1
CONTROL[RSNS] = 0
OCD, SCC, and SCDx
VOFFSET
Post-trim
–2.5
2.5
mV
offset error
No trim
–10%
10%
OCD, SCC, and SCDx
VSCALE
—
scale error
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
OCD detection
tOCD
1
31
ms
delay time
OCD detection
ΔtOCD
delay time
2
ms
program step
SCC detection
tSCC
0
915
µs
delay time
SCC detection
ΔtSCC
delay time
61
µs
program step
AFE PROTECTION CONTROL[SCDDx2] = 0
0
915
SCD1 detection
tSCD1
µs
delay time
AFE PROTECTION CONTROL[SCDDx2] = 1
0
1850
16
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