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BQ40Z50-R2 数据表(PDF) 10 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) 10 Page - Texas Instruments

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7.6 Power Supply Control (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
VHYS
Switchover
voltage hysteresis
VSWITCHOVER+ – VSWITCHOVER–
1000
mV
ILKG
Input Leakage
current
BAT pin, BAT = 0 V, VCC = 25 V, PACK = 25 V
1
µA
PACK pin, BAT = 25 V, VCC = 0 V, PACK = 0 V
1
BAT and PACK terminals, BAT = 0 V, VCC = 0 V, PACK =
0 V, PBI = 25 V
1
7.7 AFE Power-On Reset
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
VREGIT–
Negative-going
voltage input
VREG
1.51
1.55
1.59
V
VHYS
Power-on reset
hysteresis
VREGIT+ – VREGIT–
70
100
130
mV
tRST
Power-on reset
time
200
300
400
µs
7.8 AFE Watchdog Reset and Wake Timer
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
tWDT
AFE watchdog
timeout
tWDT = 500
372
500
628
ms
tWDT = 1000
744
1000
1256
tWDT = 2000
1488
2000
2512
tWDT = 4000
2976
4000
5024
tWAKE
AFE wake timer
tWAKE = 250
186
250
314
ms
tWAKE = 500
372
500
628
tWAKE = 1000
744
1000
1256
tWAKE = 512
1488
2000
2512
tFETOFF
FET off delay after
reset
tFETOFF = 512
409
512
614
ms
7.9 Current Wake Comparator
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
VWAKE
Wake voltage
threshold
VWAKE = ±0.625 mV
±0.3
±0.625
±0.9
mV
VWAKE = ±1.25 mV
±0.6
±1.25
±1.8
VWAKE = ±2.5 mV
±1.2
±2.5
±3.6
VWAKE = ±5 mV
±2.4
±5.0
±7.2
VWAKE(DRIFT)
Temperature drift of
VWAKE accuracy
0.5%
°C
tWAKE
Time from
application of
current to wake
interrupt
700
µs
BQ40Z50-R2
SLUSCS4C – JUNE 2017 – REVISED APRIL 2021
www.ti.com
10
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: BQ40Z50-R2



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