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参数资料
| 型号： | LTC4100EG#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/30页 |
| 文件大小： | 0K |
| 描述： | IC SMART BATTERY CHARGER 24-SSOP |
| 标准包装： | 1,800 |
| 功能： | 充电管理 |
| 电池化学： | 智能电池 |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 带卷 (TR) |
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LTC4100
Smart Battery
Charger Controller
Single Chip Smart Battery Charger Controller
100% Compliant (Rev. 1.1) SMBus Support Allows
SMBus Accelerator Improves SMBus Timing
Wide Output Voltage Range: 3.5V to 26V
Hardware Interrupt and SMBAlert Response
High Efficiency Synchronous Buck Charger
0.5V Dropout Voltage; Maximum Duty Cycle > 98%
AC Adapter Current Limit Maximizes Charge Rate
±0.8% Voltage Accuracy; ±4% Current Accuracy
Up to 4A Charging Current Capability
10-Bit DAC for Charge Current Programming
11-Bit DAC for Charger Voltage Programming
User-Selectable Overvoltage and Overcurrent Limits
High Noise Immunity SafetySignal Sensor
Available in a 24-Pin SSOP Package
Portable Instruments and Computers
Data Storage Systems and Battery Backup Servers
FEATURES
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for Operation with or without Host
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Eliminate Interrupt Polling
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APPLICATIONS
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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. Protected by U.S. Patents including 6650174 and 5723970.
TYPICAL APPLICATION
DCIN
DESCRIPTION
The LTC ? 4100 Smart Battery Charger is a single chip
charging solution that dramatically simplifies construction
of an SBS compliant system. The LTC4100 implements
a Level 2 charger function whereby the charger can be
programmed by the battery or by the host. A SafetySignal
on the battery being charged is monitored for temperature,
connectivity and battery type information. The SMBus
interface remains alive when the AC power adapter is
removed and responds to all SMBus activity directed to
it, including SafetySignal status (via the ChargerStatus
command). The charger also provides an interrupt to the
host whenever a status change is detected (e.g., battery
removal, AC adapter connection).
Charging current and voltage are restricted to chemistry-
specific limits for improved system safety and reliability.
Limits are programmable by two external resistors. Ad-
ditionally, the maximum average current from the AC
adapter is programmable to avoid overloading the adapter
when simultaneously supplying load current and charging
current. When supplying system load current, charg-
ing current is automatically reduced to prevent adapter
overload.
17
DCDIV
CHGEN
ACP
SMBALERT
SCL
SDA
THB
THA
I LIM
V LIM
I DC
DCIN
INFET
CLP
CLN
TGATE
BGATE
PGND
CSP
BAT
V SET
I TH
GND
CHGEN
ACP
3V
TO 5.5V
1.13k
54.9k
1.21k
10k
13.7k
V DD
11
6
10
7
9
8
15
16
13
14
20
0.068μF
LTC4100
0.1μF
5
4
24
23
1
3
2
21
22
18
19
12
6.04k
0.12μF
0.1μF
5k
0.0015μF
0.033
20μF
10μH
0.01μF
0.1μF
0.025
100
V BAT
< 5.5V
> 5.5V
PART
LTC4101
LTC4100
SMART BATTERY
20μF
SYSTEM LOAD
SMBALERT#
SMBCLK
SafetySignal
SMBCLK
1
SMBDAT
Figure 1. 4A Smart Battery Charger
For more information www.linear.com/LTC4100
SMBDAT
4100 TA01
4100fc
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4101 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Smart Battery Charger Controller |
| LTC4101EG | 制造商:LINER 制造商全称:Linear Technology 功能描述:Smart Battery Charger Controller |
| LTC4101EG#PBF | 功能描述:IC CNTRLR BATT CHRG 24-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 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) |
| LTC4101EG#TRPBF | 功能描述:IC CNTRLR BATT CHRG 24-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 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) |
| LTC4110 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Battery Backup System Manager |
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