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參數(shù)資料
| 型號： | LTC1730-4 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Lithium-Ion Battery Pulse Charger(4.1V鋰離子電池脈沖充電器) |
| 中文描述： | 1 A BATTERY CHARGE CONTROLLER, PDSO16 |
| 封裝： | SSOP-16 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 166K |
| 代理商： | LTC1730-4 |
LTC1730-4/LTC1730-4.2
9
Output Voltage Selection (LTC1730EGN-4)
The float voltage at the BAT pin can be selected by the SEL
pin. Shorting the SEL pin to ground will set the float
voltage to 4.1V per cell, while connecting it to V
CC
sets it
to 4.2V per cell. This feature allows the charger to be used
with different types of Li-Ion cells.
ACPR Output Pin (LTC1730EGN-4)
When the input voltage is 40mV higher than the voltage at
the BAT pin, the ACPR pin is pulled low to ground to
indicate that the input supply (wall adapter) is applied.
After the input supply is removed, this pin will become
high impedance after 80ms (C
TIMER
= 0.1
μ
F) of delay. This
internal delay prevents the LTC1730 from turning itself off
when the voltage at the V
CC
pin rings and gets too close to
V
BAT
due to the parasitic inductance.
APPLICATIU
W
U
U
FAULT Output Pin (LTC1730EGN-4)
The FAULT pin is pulled low to ground when either one of
the following conditions is detected:
1. The voltage at the NTC/SHDN pin is out of the operation
range. With a 10k negative temperature coefficient
thermistor placed near the battery pack, this pin indi-
cates that the temperature of the pack is either too cold
or too hot and the charger is suspended. Once the
temperature is back to the operational range, the FAULT
pin will become high impedance immediately and the
charging resumes.
2. The voltage at the BAT pin stays below 2.45V for 1/4 of
the programmed charge time. If V
BAT
remains low with
20mA of trickle charge current for 1/4 of the total charge
time, then the battery is considered defective. The
charger is turned off and the FAULT pin is pulled low.
This pin will stay low until the LTC1730 is being reset by
either removing the input power supply or shutting
down the part momentarily. After reset, the part is back
to charge mode and the FAULT pin becomes high
impedance again.
GATE
VOLTAGE
V
CC
1730 TA02
10
μ
A/C
10
μ
A/C
40
μ
A/C
40
μ
A/C
40
μ
A/C
10
μ
A/C
Figure 2. Slew Rate at GATE and V
CC
Pins with an RC Network from GATE to V
CC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1730ES8-4.2 | Lithium-Ion Battery Pulse Charger with Overcurrent Protection |
| LTC1730-4.2 | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT01; No. of Contacts:5; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Cable Receptacle; Body Style:Straight |
| LTC1730EGN-4 | Lithium-Ion Battery Pulse Charger with Overcurrent Protection |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1730EGN-4 | 功能描述:IC BATT PULSE CHRGR LI-ION16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學: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 |
| LTC1730EGN-4#PBF | 功能描述:IC BATT PULSE CHRGR LI-ION16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學: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 |
| LTC1730EGN-4#TR | 功能描述:IC BATT PULSE CHRGR LI-ION16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學: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 |
| LTC1730EGN-4#TRPBF | 功能描述:IC BATT PULSE CHRGR LI-ION16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學: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 |
| LTC1730ES8-4.2 | 功能描述:IC BATT PULSE CHRGR LI-ION 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學: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 |
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