參數(shù)資料
型號： P95020ZLLG8
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA124
封裝： LLGA-124
文件頁數(shù)： 88/137頁
文件大?。?/td> 3533K
代理商： P95020ZLLG8
P95020 / Preliminary Datasheet
Revision 0.7.10
54
2010 Integrated Device Technology, Inc.
3.3.2
CHARGER
– Battery Charger Electrical Characteristics
Unless otherwise specified, typical values at TA =25C, VBUS = 5V, TA = -40°C to +85°C, CHRG_BAT=3.8V, RICHRG=1K, RCLSEN=600, CLOAD=3300 pF
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VFLOAT
Battery Regulated Output Voltage
4.10
4.20
4.22
V
ICHG
Constant Current Mode charge Current,
RICHRG =1K , step 100mA
(1X,~15X programmable)
1X (minimun charging current limit)
15X (Maximun charging current limit)
100
1500
mA
IACC
Charger Current Accuracy
100mA to 200mA (1X ~ 2X)
-15
+15
%
300mA to 1500mA (3X ~ 15X)
-10
+10
%
hPROG
Ratio of IBAT to ICHRG pin current
ITRKL = 100, 200mA or constant
current/voltage mode
1000
mA/mA
ITRKL = 25, 50, 75, 125, 150, 175mA
500
ITRKL
Trickle charge current
7 step 25mA/step
25
175
mA
VTRKL
Trickle voltage Threshold Voltage
2.5
2.8
V
ITR_ACC
Trickle Current Accuracy
-10
+10
%
VTRKL_accuracy
Trickle voltage Threshold Voltage
accuracy
-5
5
%
VRCV_HYSIS
Trickle voltage hysteresis
100
mV
ITERM
Charge termination current
100 mA mode
50 mA mode
90
45
110
55
mA
tBATBAD
Bad Battery Termination Time
0.5
Hours
TLIM
Junction Temperature in Constant
Temperature Mode (thermal loop)
Note 1
110
°C
RON_DIODE
Internal Ideal diode power FET on
resistance
180
m
IBAT_SYSOFF
Battery Operation At System Off
Condition
No Adapter Input
100
μA
VTS1
Hot Temperature Threshold (NTC)
33
35
37
%VNTC
VTS2
Cold Temperature Threshold (NTC)
74
76
78
%VNTC
VTS3
Discharge Temperature Threshold (NTC)
18
20
22
%VNTC
VTS4
NTC Disable Threshold Voltage
0
2
3
%VNTC
Notes:
1.
Guaranteed by design and/or characterization.
3.4
CHARGER
– TYPICAL PERFORMANCE CHARACTERISTICS
Pre-Regulator
Efficiency vs Load Current
VBUS =5.0V, VSYS =3.7V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
2.00
LOAD CURRENT (A)
EF
F
IC
IEN
C
Y
(%
)
Figure 10
– Pre-Regulator Efficiency vs Load Current VBUS = 5.0V, VSYS = 3.7V
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