- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄44996 > LTC4098EUDC-1#PBF (LINEAR TECHNOLOGY CORP) BATTERY CHARGE CONTROLLER, 2650 kHz SWITCHING FREQ-MAX, PQCC20 PDF資料下載
參數(shù)資料
| 型號： | LTC4098EUDC-1#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, 2650 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | 4 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20 |
| 文件頁數(shù)： | 6/32頁 |
| 文件大小： | 443K |
| 代理商： | LTC4098EUDC-1#PBF |
第1頁第2頁第3頁第4頁第5頁當(dāng)前第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁
LTC4098/LTC4098-1
14
40981fc
The switching input regulator can also be deactivated
(USB suspend).
The average input current will be limited by the CLPROG pro-
gramming resistor according to the following expression:
IVBUS(LIM) =IVBUSQ +
VCLPROG
RCLPROG
hCLPROG + 1
(
)
where IVBUSQ is the quiescent current of the LTC4098/
LTC4098-1, VCLPROG is the CLPROG servo voltage in
current limit, RCLPROG is the value of the programming
resistor and hCLPROG is the ratio of the measured current
at VBUS to the sample current delivered to CLPROG. Refer
to the Electrical Characteristics table for values of hCLPROG,
VCLPROG and IVBUSQ. Given worst-case circuit tolerances,
the USB specification for the average input current in 1x
or 5x mode will not be violated, provided that RCLPROG is
3.01k or greater.
Table 1 shows the available settings for the D0, D1 and
D2 pins.
Table 1. Controlled Input Current Limit
D2
D1
D0
CHARGER
STATUS
IBUS(LIM)
0
On
100mA (1x)
0
1
On
1A (10x)
0
1
0
On
500mA (5x)
0
1
Off
500μA (Susp Low)
1
0
Off
100mA (1x)
1
0
1
Off
1A (10x)
1
0
Off
500mA (5x)
1
Off
2.5mA (Susp High)
BAT (V)
2.4
4.5
4.2
3.9
3.6
3.3
3.0
2.7
2.4
3.3
3.9
40981 F02
2.7
3.0
3.6
4.2
V
OUT
(V)
NO LOAD
300mV
Figure 2. VOUT vs BAT
Notice that when D0 is high and D1 is low, the switching
regulator is set to a higher current limit for increased
charging and power availability at VOUT. These modes will
typically be used when there is line power available from
a wall adapter.
While not in current limit, the switching regulator’s
Bat-Track feature will set VOUT to approximately 300mV
above the voltage at BAT. However, if the voltage at BAT
is below 3.3V, and the load requirement does not cause
the switching regulator to exceed its current limit, VOUT
will regulate at a fixed 3.6V, as shown in Figure 2. This
instant-on operation will allow a portable product to run
immediately when power is applied without waiting for
the battery to charge.
If the load does exceed the current limit at VBUS, VOUT
will range between the no-load voltage and slighly below
the battery voltage, indicated by the shaded region of
Figure 2.
OPERATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC4110EUHF#TR | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC38 |
| LTC4110EUHF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC38 |
| LTC4151CS-2#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| LTC4151HMS#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| LTC4151HDD#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4098EUDC-3.6#PBF | 功能描述:IC CHARGER USB COMP 3.6V 20UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:2,000 系列:Impedance Track™ 功能:燃料，電量檢測計(jì)/監(jiān)控器 電池化學(xué):鋰離子（Li-Ion） 電源電壓:2.4 V ~ 2.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:1020 (CN2011-ZH PDF) 配用:BQ27350EVM-ND - BQ27350EVM 其它名稱:296-21665-2 |
| LTC4098EUDC-3.6#PBF | 制造商:Linear Technology 功能描述:IC, POWER MANAGER/BATTERY CHARGER, QFN20 |
| LTC4098EUDC-3.6#TRPBF | 功能描述:IC CHARGER USB COMP 3.6V 20UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:Bat-Track™, PowerPath™ 標(biāo)準(zhǔn)包裝:61 系列:- 功能:電源管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:22-DFN（6x3）裸露焊盤 包裝:管件 |
| LTC4099 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:I2C Controlled USB Power Manager/Charger with Overvoltage Protection |
| LTC4099EPDC#PBF | 功能描述:IC USB PWR MANAGER/CHRGR 20UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:PowerPath™ 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。