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参数资料
| 型号： | LT3652HVIMSE#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, PDSO12 |
| 封装： | LEAD FREE, PLASTIC, MSOP-12 |
| 文件页数： | 1/24页 |
| 文件大小： | 250K |
| 代理商： | LT3652HVIMSE#TRPBF |
LT3652HV
1
3652hvf
TYPICAL APPLICATION
DESCRIPTION
Power Tracking 2A Battery
Charger
The LT3652HV is a complete monolithic step-down bat-
tery charger that operates over a 4.95V to 34V input range.
The LT3652HV provides a constant-current/constant-voltage
charge characteristic, with maximum charge current
externally programmable up to 2A. The charger employs
a 3.3V oat voltage feedback reference, so any desired
battery oat voltage up to 18V can be programmed with a
resistor divider.
The LT3652HV employs an input voltage regulation loop,
which reduces charge current if the input voltage falls below
a programmed level, set with a resistor divider. When the
LT3652HV is powered by a solar panel, the input regulation
loop is used to maintain the panel at peak output power.
TheLT3652HVcanbeconguredtoterminatechargingwhen
chargecurrentfallsbelow1/10oftheprogrammedmaximum
(C/10). Once charging is terminated, the LT3652HV enters a
low-current(85μA)standbymode.Anauto-rechargefeature
starts a new charging cycle if the battery voltage falls 2.5%
below the programmed oat voltage. The LT3652HV also
contains a programmable safety timer, used to terminate
charging after a desired time is reached. This allows top-off
charging at currents less than C/10.
FEATURES
APPLICATIONS
n Input Supply Voltage Regulation Loop for Peak
Power Tracking in (MPPT) Solar Applications
n Wide Input Voltage Range: 4.95V to 34V (40V Abs Max)
n Programmable Charge Rate Up to 2A
n User Selectable Termination: C/10 or On-Board
Termination Timer
n Resistor Programmable Float Voltage Up to 18V
Accommodates 4-Cell Li-Ion/Polymer, 5-Cell
LiFePO4, Lead-Acid Chemistries
n Parallelable for Higher Output Current
n 1MHz Fixed Frequency
n 0.5% Float Voltage Reference Accuracy
n 5% Charge Current Accuracy
n 2.5% C/10 Detection Accuracy
n Binary-Coded Open-Collector Status Pins
n Solar Powered Applications
n Remote Monitoring Stations
n Portable Handheld Instruments
n 12V to 24V Automotive Systems
n Battery Charging from Current Limited Adapter
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.
VIN_REG Loop Servos Maximum Charge Current to Prevent AC Adapter Output from
Drooping Lower Than 24V 5-Cell LiFePO4 Charger (18V at 1.5A) with C/10 Termination
Powered by Inexpensive 24VDC/1A Unregulated Wall Adapter.
SW
VIN
AC ADAPTER
INPUT
24VDC AT 1A
VIN_REG
VFB
BOOST
SENSE
BAT
NTC
TIMER
1μF 10V
1N4148
127k
3652 TA01a
R1
10K
B = 3380
10μF
20μH
10μF
5-Cell LiFePO4 PACK
(18V FLOAT)
SYSTEM
LOAD
+
LT3652HV
44.2k
750k
MBRS340
D3
MBRS340
51.1k
SHDN
CHRG
FAULT
150k
665k
0.068
ADAPTER OUTPUT CURRENT (A)
0
0.2
ADAPTER
OUTPUT
VOLTAGE
(V)
12
15
18
33
30
27
24
21
0.6
1
1.2
3652 TA01b
36
0.4
0.8
1.6
1.4
2
1.8
1A/24VDC Unregulated Adapter
I vs V Characteristic
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3652IDD | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power Tracking 2A Battery Charger for Solar Power |
| LT3652IDD#PBF | 功能描述:IC BATTERY CHARGER 2A 12DFN 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) |
| LT3652IDD#TRPBF | 功能描述:IC BATTERY CHARGER 2A 12DFN 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) |
| LT3652IDDPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power Tracking 2A Battery Charger for Solar Power |
| LT3652IDDTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power Tracking 2A Battery Charger for Solar Power |
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