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| 型号： | LTC4000EGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/40页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATTERY 28-SSOP |
| 产品培训模块： | LTC4000 60V Battery Charging Controller and Power Management |
| 标准包装： | 49 |
| 系列： | PowerPath™ |
| 功能： | 充电管理，电源管理 |
| 电池化学： | 多化学 |
| 电源电压： | 3 V ~ 60 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
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LTC4000
FEATURES
High Voltage High Current
Controller for Battery Charging
and Power Management
DESCRIPTION
Complete High Performance Battery Charger When
Wide Input and Output Voltage Range: 3V to 60V
Input Ideal Diode for Low Loss Reverse Blocking
Output Ideal Diode for Low Loss PowerPath? and
Instant-On Operation with Heavily Discharged
Programmable Input and Charge Current:
±0.25% Accurate Programmable Float Voltage
Programmable C/X or Timer Based Charge
NTC Input for Temperature Qualified Charging
28-Lead 4mm × 5mm QFN or SSOP Packages
High Power Battery Charger Systems
High Performance Portable Instruments
Industrial Battery Equipped Devices
Notebook/Subnotebook Computers
n
Paired with a DC/DC Converter
n
n
and Load Sharing
n
Load Sharing with the Battery
n
Battery
n
±1% Accuracy
n
n
Termination
n
n
APPLICATIONS
n
n
n
n
TYPICAL APPLICATION
The LTC ? 4000 is a high voltage, high performance controller
that converts many externally compensated DC/DC power
supplies into full-featured battery chargers.
Features of the LTC4000’s battery charger include: accurate
(±0.25%) programmable float voltage, selectable timer or
current termination, temperature qualified charging using
an NTC thermistor, automatic recharge, C/10 trickle charge
for deeply discharged cells, bad battery detection and
status indicator outputs. The battery charger also includes
precision current sensing that allows lower sense voltages
for high current applications.
The LTC4000 supports intelligent PowerPath control. An
external PFET provides low loss reverse current protec-
tion. Another external PFET provides low loss charging
or discharging of the battery. This second PFET also
facilitates an instant-on feature that provides immediate
downstream system power even when connected to a
heavily discharged or short faulted battery.
The LTC4000 is available in a low profile 28-lead 4mm ×
5mm QFN and SSOP packages.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
PowerPath is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
LT3845A
5m SHDN V C
15VTO60V
48V to 10.8V at 10A Buck Converter Charger for Three LiFePO 4 Cells
Si7135DP
IN OUT
100μF
V OUT
12V, 15A
Charge Current and V OUT Profile
vs V BAT During a Charge Cycle
12 11
14.7k
47nF
1.15M
5m
10
I CHARGE
V OUT
10.5
1.10M
100k
1μF
3.0V
10nF
10nF
RST
CLN
IN
VM
ENC
CHRG
FLT
IIMON
IBMON
ITH
TMR
CC
0.1μF
LTC4000
CL
24.9k
IID IGATE CSP
CSN
BGATE
BAT
OFB
FBG
BFB
NTC
CX GND BIAS
22.1k
1μF
10k
127k
133k
1.13M
10k
Si7135DP
V BAT
10.8V FLOAT
10A MAX CHARGE
CURRENT
3-CELL LiFePO 4
BATTERY PACK
4000 TA01a
8
6
4
2
0
6
I CHARGE
7
8
V OUT
9
V BAT (V)
10
11 12
4000 TA01b
10
9.5
9
8.5
8
NTHS0603
N02N1002J
4000fb
For more information www.linear.com/LTC4000
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4000EUFD#PBF | 功能描述:IC CHARGER BATTERY 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:PowerPath™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4000EUFD#TRPBF | 功能描述:IC CHARGER BATTERY 28-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:PowerPath™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4000EUFD-1#PBF | 功能描述:IC BATT CHRGR MULTI-CHEM 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:PowerPath™ 标准包装:2,000 系列:Impedance Track™ 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.4 V ~ 2.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:带卷 (TR) 产品目录页面:1020 (CN2011-ZH PDF) 配用:BQ27350EVM-ND - BQ27350EVM 其它名称:296-21665-2 |
| LTC4000EUFD-1#TRPBF | 功能描述:IC CHARGE MGMT MULTI CHEM 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:PowerPath™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4000IGN#PBF | 功能描述:IC CHARGER BATTERY 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:PowerPath™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
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