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| 型号： | LT1512IGN |
| 厂商： | Linear Technology |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR CONST I/V 16-SSOP |
| 标准包装： | 100 |
| 功能： | 充电管理 |
| 电池化学： | 所有电池类型 |
| 电源电压： | 2.7 V ~ 25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 管件 |
LT1512
TYPICAL APPLICATION
The circuit in Figure 6 will provide adapter current limit-
ing to ensure that the battery charger never overloads
the adapter. In addition, it adjusts charging current to a
lower value if other system power increases to the point
where the adapter would be overloaded. This allows the
SYSTEM
LT1512 to charge the battery at the maximum possible
rate without concern about varying system power levels.
The LM301 op amp used here is unusual in that it can
operate with its inputs at a voltage equal to the positive
supply voltage.
WALL
ADAPTER
R6
0.2Ω
POWER
?
L1 A*
INPUT
R5
1k
7
–
2
+
3
1
+
C3
22μF
25V
5
V IN
V SW
8
C2**
2.2μF
D1
MBRS130LT3
0.5A
Q1
2N3904
R7
12k
4
LM301
6
8
D2
1N4148
30pF SYNC
AND/OR
SHUTDOWN
TO FB PIN
4
LT1512
S/S
GND GND S V C
7 6 1
FB
I FB
3
C5
0.1μF
2
R4
24Ω
C4
0.22μF
L1 B*
?
R3
0.2Ω
R1
R2
+
C1
22μF
25V
* L1 A, L1 B ARE TWO 33mH WINDINGS ON A
COMMON CORE: COILTRONICS CTX33-3
** TOKIN CERAMIC 1E225ZY5U-C203-F
Figure 6. Adding Adapter Current Limiting
RELATED PARTS
1512 F06
PART NUMBER DESCRIPTION
COMMENTS
LT1239
LTC ? 1325
LT1510
LT1511
LT1513
Backup Battery Management System
Microprocessor Controlled Battery Management System
1.5A Constant-Current/Constant-Voltage Battery Charger
3.0A Constant-Current/Constant-Voltage Battery Charger
with Input Current Limiting
SEPIC Constant-Current/Constant-Voltage Battery Charger
Charges Backup Battery and Regulates Backup Battery Output when
Main Battery Removed
Can Charge, Discharge and Gas Gauge NiCd, NiMH and Pb-Acid Batteries
with Software Charging Pro?les
Step-Down Charger for Li-Ion, NiCd and NiMH
Step-Down Charger that Allows Charging During Computer Operation and
Prevents Wall-Adapter Overload
Step-Up/Step-Down Charger for Up to 2A Current
1512fa
12 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0109 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2008
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1512IGN#PBF | 功能描述:IC BATT CHRGR CONST I/V 16-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) |
| LT1512IGN#TR | 功能描述:IC CHARGER BATT CONST V/I 16SSOP RoHS:否 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) |
| LT1512IGN#TRPBF | 功能描述:IC BATT CHRGR CONST I/V 16-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) |
| LT1512IN8 | 功能描述:IC BATT CHRGR CONST I/V 8-DIP RoHS:否 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) |
| LT1512IN8#PBF | 功能描述:IC BATT CHRGR CONST I/V 8-DIP 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) |
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