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BQ25619 Scheda tecnica(PDF) 11 Page - Texas Instruments

Il numero della parte BQ25619
Spiegazioni elettronici  BQ25619 I2C Controlled 1-Cell 1.5-A Battery Charger with 20-mA Termination and 1-A Boost Operation
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

BQ25619 Scheda tecnica(HTML) 11 Page - Texas Instruments

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BQ25619
www.ti.com
SLUSDF8A – JUNE 2019 – REVISED JULY 2019
Product Folder Links: BQ25619
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
Electrical Characteristics (continued)
VVBUS_UVLOZ < VVBUS < VVBUS_OV and VVBUS > VBAT + VSLEEP, TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOL
Output low threshold level
Sink current = 5mA
0.4
V
IBIAS
High-level leakage current
Pull up rail 1.8V
1
µA
LOGIC INPUT PIN
VIH
Input high threshold level (/CE, PSEL)
1.3
V
VIL
Input low threshold level (/CE, PSEL)
0.4
V
IIN_BIAS
High-level leakage current (/CE, PSEL) Pull up rail 1.8V
1
µA
LOGIC OUTPUT PIN
VOL
Output low threshold level (/INT, STAT,
PMID_GOOD)
Sink current = 5mA
0.4
V
IOUT_BIAS
High-level leakage current (/INT,
STAT, PMID_GOOD)
Pull up rail 1.8V
1
µA
7.6 Timing Requirements
MIN
NOM
MAX
UNIT
VBUS / VBAT POWER UP
tVBUS_OV
VBUS OVP Reaction-time
130
ns
tPOORSRC
Bad adapter detection duration
30
ms
tPOORSRC_RETRY
Bad adapter detection retry wait time
2
s
BATTERY CHARGER
tTERM_DGL
Deglitch time for charge termination
30
ms
tRECHG_DGL
Deglitch time for recharge threshold
30
ms
tTOP_OFF
Typical top-off timer accuracy
30
min
tSAFETY
Charge safety timer accuracy, CHG_TIMER = 20hr
17
20
24
hr
tSAFETY
Charge safety timer accuracy, CHG_TIMER = 10hr
8
10
12
hr
QON Timing
tSHIPMODE
QON low time to turn on BATFET and exit shipmode (–10
℃ ≤ TJ ≤
60
℃)
0.9
1.3
s
tQON_RST
QON low time before BATFET full system reset (–10
℃ ≤ TJ ≤ 60℃)
8
12
s
tBATFET_RST
BATFET off time during full system reset (–10
℃ ≤ TJ ≤ 60℃)
250
400
ms
tBATFET_DLY
Delay time before BATFET turn off in ship mode (–10
℃ ≤ TJ ≤ 60℃)
10
15
s
I2C INTERFACE
fSCL
SCL clock frequency
400
kHz
DIGITAL CLOCK AND WATCHDOG
fLPDIG
Digital low-power clock (REGN LDO is disabled)
30
kHz
fDIG
Digital power clock
500
kHz
tWDT
Watchdog Reset time (WATCHDOG REG05[5:4] = 160s)
160
s


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