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TPS658620ZQZR датащи(PDF) 11 Page - Texas Instruments

номер детали TPS658620ZQZR
подробное описание детали  Advanced Power Management Unit
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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2.5
ELECTRICAL CHARACTERISTICS
TPS658620
Advanced Power Management Unit
www.ti.com
SLVS993 – OCTOBER 2009
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
FAST CHARGE CURRENT , V(VIN_CHG) > V(BAT) + 0.2V , V(BAT) > VLOWBAT, t< TCHG
IO(BAT)
Charge current range
IO(BAT) = KSET/RISET DPPM/Thermal loops not active
0.1
1.03
A
11, 100% scaling
703
865
1020
10, 75% scaling
506
648
773
RISET = 1 kΩ, scalable via I
2C, (ISET_1, ISET_0)
KSET
Charge current set factor
A
=
01, 50% scaling
325
432
530
00, 25% scaling
145
215
293
PRE CHARGE CURRENT , V(VIN_CHG) > V(BAT) + 0.1V , VSH(BAT) < V(BAT) < VLOWBAT , t < TPRECHG
IO(PRECHG)
Precharge current range
IO(PRECHG) = KPRECHG/RISET DPPM/Thermal loops not active
10
170
mA
00
13
43
71
01
48
85
110
0C<TJ<125°C RISET=I kΩ,scalable via I
2C,
KPRECHG
Precharge current set factor
A
(IPCH_1, IPCH_0)=
10
80
126
159
11
85
166
200
CHARGE CURRENT REDUCTION - THERMAL, DPPM LOOPS ACTIVE (TJ > TSTRCHG, V(SYS) < VSYSDPPM )
KTHERMAL
Thermal loop factor
Charge Current (ICHG) = IO(BAT) × (1 – KTHERM × (TJ – TSTRCHG)/100)
10
%/
°C
KDPPM
DPPM loop factor
Charge Current (ICHG ) = IO(BAT) × (1 – KDPPM × 10 × (VSYS(DPPM) – V(SYS)))
0.8
%/mV
CHARGE REGULATION VOLTAGE , V(VIN_CHG) > VO(BATREG) + 0.3V
RSVD4B4=HI
4.3, 4.35, 4.4, 4.45
V
Voltage options, Selection via I
2C
RSVD4B4=LO
4.1, 4.15, 4.2, 3.95
Battery charge voltage, selectable via
VO(BATREG)
Accuracy, TA = 25°C, relative to selected value
–0.55%
0.95%
I
2C
Total Accuracy, relative to selected value
–0.85
1.2
V
Total Accuracy range for selected value of 4.2 V
4.16
4.25
CHARGE TERMINATION, V(BAT) > VRCH, t < TTERM, VOLTAGE REGULATION MODE SET
ITERM
Charge termination current range
ITERM = KTERM/RISET
10
170
mA
00
18
40
50
AC input selected
01
42
82
112
or USBMODE=HI
10
70
140
188
170mA
40mA<ITERM</=170mA, scalable via I
2C,
KTERM
Charge termination detection factor
A
11
85
165
208
(ITERM_1, ITERM_0)=
USB input selected,
(USBMODE=LO and
18
40
50
USBLIM=LO)
(2)
TDGL(TERM)
Deglitch time, termination detection
I(BAT) < ITERM
25
ms
CHARGER DPPM LOOP AND SM2 CONTROL
00
3.413
3.5
3.588
01
3.656
3.75
3.844
SYS DPPM detection threshold ,
Charge current reduced for V(SYS)<VSYS(DPPM), VSYS(DPPM) set via I
2C,
VSYS(DPPM
V
selectable via I
2C
(SYSDPPM_1, SYSDPPM_0) =
10
3.9
4.0
4.1
11
4.144
4.25
4.356
VSM2TRK
SM2 output voltage
Battery tracking enabled – V(BAT)+value
0.17
0.265
0.37
V
Submit Documentation Feedback
Electrical Specifications
11


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