參數(shù)資料
型號(hào)： LP3918TLX-L
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 電源管理
英文描述： Battery Charge Management and Regulator Unit
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA25
封裝： 2.50 X 2.50 MM, MICRO, SMD-25
文件頁(yè)數(shù)： 2/30頁(yè)
文件大?。?/td> 1292K
代理商： LP3918TLX-L
Charger Electrical Characteristics
Unless otherwise noted, V
CHG-IN = 5V, VIN ( = VIN1 = VIN2 = BATT) = 3.6V.CCHG_IN = 10F, CBATT = 30F. Charger set to default
settings unless otherwise noted. Typical values and limits appearing in normal type apply for T
J = 25°C. Limits appearing in
boldface
type apply over the entire junction temperature range for operation, T
a = TJ = 25°C to +85°C. (Notes 6, 9)
Symbol
Parameter
Condition
Typ
Limit
Units
Min
Max
V
CHG-IN
Input Voltage Range
4.5
6.5
V
Operating Range
4.5
6
V
OK_CHG
CHG_IN OK trip-point
V
CHG_IN - VBATT (Rising)
200
mV
V
CHG_IN - VBATT (Falling)
50
V
TERM
Battery Charge
Termination voltage
Default
4.2
V
TERM voltage tolerance
T
J = 25°C
-0.35
+0.35
%
T
J = 0°C to 85°C
-1
+1
I
CHG
Fast Charge Current
Accuracy
I
CHG = 450mA
-10
+10
%
Programmable full-rate
charge current range
(default 100mA)
6.0V
≥ V
CHG_IN ≥ 4.5V
50
950
mA
V
BATT < (VCHG_IN - VOK_CHG)
V
FULL_RATE < VBATT < VTERM
(Note 10)
Default
100
Charge current
programming step
50
I
PREQUAL
Pre-qualification current
V
BATT = 2V
50
40
60
mA
I
CHG_USB
CHG_IN programmable
current in USB mode
5.5V
≥ V
CHG_IN ≥ 4.5V
Low
100
mA
V
BATT < (VCHG_IN - VOK_CHG)
V
FULL_RATE < VBATT < VTERM High
450
Default = 100mA
100
V
FULL_RATE
Full-rate qualification
threshold
V
BATT rising, transition from pre-qual
to full-rate charging
3.0
2.9
3.1
V
I
EOC
End of Charge Current, %
of full-rate current
0.1C option selected
10
%
V
RESTART
Restart threshold voltage V
BATT falling, transition from EOC to
full-rate charge mode. Default options
selected - 4.05V
4.05
3.97
4.13
V
I
MON
I
MON Voltage 1
I
CHG = 100mA
0.247
V
I
MON Voltage 2
I
CHG = 450mA
1.112
0.947
1.277
T
REG
Regulated junction
temperature
(Note 7)
115
°C
Detection and Timing
(Note 7)
T
POK
Power OK deglitch time
V
BATT < (VCC - VOK_CHG)
32
mS
T
PQ_FULL
Deglitch time
Pre-qualification to full-rate charge
transition
230
mS
T
CHG
Charge timer
Precharge mode
1
Hrs
Full Rate Charging Timeout
5
Constant Voltage Timeout
5
T
EOC
Deglitch time for end-of-
charge transition
230
mS
www.national.com
10
LP3918
相關(guān)PDF資料
PDF描述
LPB-5015 PULSE TRANSFORMER FOR GENERAL PURPOSE APPLICATION(S)
LPC870-F2G2-1 SINGLE COLOR LED, PURE GREEN
LPD3015-682MTD 2 ELEMENT, 6.8 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
LPD3015-682MSD 2 ELEMENT, 6.8 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
LPD3015-682MSB 2 ELEMENT, 6.8 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3919 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:CDMA Power Management Unit
LP3919RL-A/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3919RL-B/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3919RL-C/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3919RL-D/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*