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參數資料
型號: TPS65950ZXNR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA209
封裝: 7 X 7 MM, 0.40 MM PITCH, PLASTIC, BGA-209
文件頁數: 26/167頁
文件大小: 2566K
代理商: TPS65950ZXNR
TPS65950
Integrated Power Management/Audio Codec
www.ti.com
SWCS032 – OCTOBER 2008
Table 8-1. Main Charge Electrical Characteristics
VBAT = 3.6 V, RS = 0.22 , unless otherwise specified (continued)
Parameter
Test Conditions
Min(1)
Typ(2)
Max(3)
Unit
ADIN1 dc current source for
ADIN1 = 1 V, ITHSENS[2:0] = 000 (maximum MADC
9.5
10
10.5
A
temperature measurement
input voltage = 0.875 V), after TRIM done by
ISRCTRIM[3:0]
ITHSENS[2:0] = 001
14
20
26
ITHSENS[2:0] = 010
21
30
39
ITHSENS[2:0] = 011
28
40
52
ITHSENS[2:0] = 100
35
50
65
ITHSENS[2:0] = 101
42
60
78
ITHSENS[2:0] = 110
49
70
91
ITHSENS[2:0] = 111
56
80
104
Constant current loop
After trimming (
±1.10%), VAC = 5.4 V or VBUS = 5.0 V,
–11%
11%
accuracy
VBAT = 3.6 V, CHGIREG = (value relative to ICHG = 0.6
A), VCCS–VBATS rising voltage, monitoring ICTLAC1 or
ICTLUSB1, CGAIN = 1, overtemperature (ambient 0
°C to
50
°C) (including the bandgap accuracy overtemperature
±0.5% and the R
sense resistor accuracy ±1%)
After trimming (
±0.55%), VAC = 5.4 V or VBUS = 5.0 V,
–3.15%
3.15%
VBAT = 3.6 V, CHGIREG = (value relative to ICHG = 0.6
A), VCCS–VBATS rising voltage, monitoring ICTLAC1 or
ICTLUSB1, CGAIN = 0, overtemperature (ambient 0
°C to
50
°C) (including the bandgap accuracy overtemperature
±0.5% and the R
sense resistor accuracy ±1%)
Constant current loop offset
At error amplifier input, before loop trim. Including DAC
–46.8
46.8
mV
offset, I-to-V offset after I-to-V trim, error amplifier offset
Constant voltage loop
After trimming (
±0.14%), VAC = 5.4 V or VBUS = 5.0 V, at
–0.28%
0.28%
accuracy
room temperature, CHGVREG = (value relative to VBAT =
4.37 V), VBAT rising voltage, monitoring ICTLAC1 or
ICTLUSB1
After trimming (
±0.14%), VAC = 5.4 V or VBUS = 5.0 V
–0.82%
0.82%
overtemperature (ambient 0
°C to 50°C), CHGVREG =
(value relative to VBAT = 4.37 V), VBAT rising voltage,
monitoring ICTLAC1 or ICTLUSB1 (including the bandgap
accuracy overtemperature
±0.5%)
Charger presence detect
VBAT = 3.6 V, rising edge
VBAT+0.3
VBAT+0.
VBAT+0.6
V
threshold
4
VBAT = 3.6 V, falling edge
VBAT
VBAT+0.
VBAT+0.3
1
Battery threshold when default
VAC = 5.4 V or VBUS = 5.0 V, VBATOVEN = 1,
4.45
4.55
4.65
V
value(6)
VBATOVTH(3:0) = default, MESBAT = 1, VBAT rising
voltage, monitoring VBATOV status signal
Ac charger overvoltage
VBAT = 3.6 V, VACCHGOVEN = 1, VACCHGOVTH(3:0)
6.24
6.5
7
V
threshold when default value(6) = default, VAC rising voltage, monitoring VACCHGOV
status signal
VBUS overvoltage threshold
VBAT = 3.6 V, VBUSOVEN = 1, VBUSOVTH(3:0) =
5.28
5.5
5.9
V
when default value(6)
default, VBUS rising voltage, monitoring VBUSOV status
signal
Main charge main battery
Measured through ADIN1 rising voltage and sourced
67.5
75
82.5
k
presence impedance detection
current, monitoring BATSTS value
threshold
Main charge main battery
Force ADIN1 voltage, monitor BATSTS value
750
mV
presence voltage detection
threshold
Temperature detection
For low temperature (2
°C/3°C)
–3
3
°C
accuracy
For high temperature (43
°C/50°C)
–5
5
Battery voltage accuracy
Tested for VBAT = 2.9, 3.6, and 4.2 V
VBAT–0.1
VBAT
VBAT+0.1
V
(6)
Can be changed by programming the associated threshold register
Battery Interface
121
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