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LTC4071EDDB#TRMPBF

产品描述IC LI-ION BATTERY CHARGER 8DFN
产品类别电源/电源管理    电源电路   
文件大小329KB,共5页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 选型对比 全文预览

LTC4071EDDB#TRMPBF概述

IC LI-ION BATTERY CHARGER 8DFN

LTC4071EDDB#TRMPBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
厂商名称Linear ( ADI )
零件包装代码DFN
包装说明HVSON,
针数8
制造商包装代码DDB
Reach Compliance Codecompliant
ECCN代码EAR99
可调阈值YES
模拟集成电路 - 其他类型POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码R-PDSO-N8
JESD-609代码e3
长度3 mm
湿度敏感等级1
信道数量1
功能数量1
端子数量8
最高工作温度85 °C
最低工作温度
封装主体材料PLASTIC/EPOXY
封装代码HVSON
封装形状RECTANGULAR
封装形式SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)260
认证状态Not Qualified
座面最大高度0.8 mm
最大供电电压 (Vsup)4.24 V
最小供电电压 (Vsup)4.07 V
标称供电电压 (Vsup)4.2 V
表面贴装YES
技术CMOS
温度等级OTHER
端子面层Matte Tin (Sn)
端子形式NO LEAD
端子节距0.5 mm
端子位置DUAL
处于峰值回流温度下的最长时间30
宽度2 mm

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QUICK START GUIDE FOR
DC1702A
LTC4071EDDB: Li-Ion / Polymer
Shunt Battery Charger System with
Low Battery Disconnect
DESCRIPTION
Demonstration Circuit DC1702A is a Li-Ion/Polymer Shunt Battery Charger system with Low Battery Disconnect
featuring the LTC
®
4071EDDB.
PERFORMANCE SUMMARY
Specifications are at T
A
= 25°C
SYMBOL
VBUS
V(BAT)
I(BAT)
PARAMETER
Input voltage
Battery Float Voltage
Battery Charge Current
CONDITIONS
R
LIMIT
= 169Ω
‘VFLOAT’ jumper on 4.1V, Constant Voltage
Mode. T
NTC
= 25°C
Constant Current Mode, Vin = 12V, VCC =
3.8V
MIN
10
4.059
TYP
12
MAX
16
4.141
UNITS
V
V
mA
49.7
QUICK START PROCEDURE
Refer to Figure 1 for the proper measurement
equipment setup and jumper settings and follow the
procedure below.
NOTE.
When measuring the input or output voltage ripple, care
must be taken to avoid a long ground lead on the oscilloscope
probe. Measure the input or output voltage ripple by touching the
probe tip directly across the VIN or Vcc and GND terminals. See
Figure 2 for proper scope probe technique.
1. Set PS1 = 12V, PS2 = 3.6V, “VFLOAT” (JP2) to
4.1V. Observe I(VIN) (AM1) and I(BAT) (AM2).
The shunt voltage of the LTC4071 is set to 4.1V,
and the battery voltage is set to 3.6V. The
LTC4071 is only shunting its quiescent current,
≈500nA, so all of the current flowing through R1
is going to charge the battery. (12 -3.6)/499 =
16.8mA.
2. Increase PS2 until HBO LED is lit. Observe
V(BAT) (VM2). The HBO LED will activate when
the battery is nearly fully charged or at ≈ Vfloat –
50mV.
3. Continue to increase PS2, and observe AM1 and
AM2. At the programmed float voltage for the
LTC4071, AM2 will go to 0A. The LTC4071 is
now shunting all of the current flowing through
R1, to ground. The float voltage on the LTC4071
has a tolerance of 1%.
4. Disconnect PS1 and decrease PS2 until Vcc
(VM3) goes to less than 100mV. Observe V(BAT)
(VM2). This is the low battery voltage discon-
nect. When the battery voltage reaches the low
battery disconnect threshold (LBO) (2.7V or
3.2V), an internal switch disconnects BAT from
Vcc. The BAT pin current when disconnected is
less than 0.1nA. However the PCB and other
components may increase the total battery leak-
age to 2~10nA. Measuring this leakage current
requires great care.
5. Increase PS2 by 0.3V. Reconnect PS1 and set to
the same voltage as PS2. Slowly increase PS1
1

LTC4071EDDB#TRMPBF相似产品对比

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描述 IC LI-ION BATTERY CHARGER 8DFN eval board batt charger ltc4071 IC LI-ION/POLY BATT CHRGR 8-MSOP IC LI-ION/POLY BATT CHRGR 8-MSOP IC LI-ION/POLY BATT CHRGR 8-DFN IC LI-ION/POLY BATT CHRGR 8-MSOP IC LI-ION/POLY BATT CHRGR 8-MSOP IC LI-ION/POLY BATT CHRGR 8-DFN IC LI-ION BATTERY CHARGER 8DFN
Brand Name Linear Technology - Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 - 符合 符合 符合 符合 符合 符合 符合
厂商名称 Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
零件包装代码 DFN - MSOP MSOP DFN MSOP MSOP DFN DFN
包装说明 HVSON, - HTSSOP, TSSOP8,.19 HTSSOP, TSSOP8,.19 HVSON, SOLCC8,.08,20 HTSSOP, TSSOP8,.19 HTSSOP, TSSOP8,.19 HVSON, SOLCC8,.08,20 HVSON,
针数 8 - 8 8 8 8 8 8 8
制造商包装代码 DDB - MS8E MS8E DDB MS8E MS8E DDB DDB
Reach Compliance Code compliant - compliant compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
可调阈值 YES - YES YES YES YES YES YES YES
模拟集成电路 - 其他类型 POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码 R-PDSO-N8 - S-PDSO-G8 S-PDSO-G8 R-PDSO-N8 S-PDSO-G8 S-PDSO-G8 R-PDSO-N8 R-PDSO-N8
JESD-609代码 e3 - e3 e3 e3 e3 e3 e3 e3
长度 3 mm - 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
湿度敏感等级 1 - 1 1 1 1 1 1 1
信道数量 1 - 1 1 1 1 1 1 1
功能数量 1 - 1 1 1 1 1 1 1
端子数量 8 - 8 8 8 8 8 8 8
最高工作温度 85 °C - 85 °C 125 °C 85 °C 85 °C 125 °C 125 °C 125 °C
封装主体材料 PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 HVSON - HTSSOP HTSSOP HVSON HTSSOP HTSSOP HVSON HVSON
封装形状 RECTANGULAR - SQUARE SQUARE RECTANGULAR SQUARE SQUARE RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 260 - 260 260 260 260 260 260 260
认证状态 Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 0.8 mm - 1.1 mm 1.1 mm 0.8 mm 1.1 mm 1.1 mm 0.8 mm 0.8 mm
最大供电电压 (Vsup) 4.24 V - 4.24 V 4.24 V 4.24 V 4.24 V 4.24 V 4.24 V 4.24 V
最小供电电压 (Vsup) 4.07 V - 4.07 V 4.07 V 4.07 V 4.07 V 4.07 V 4.07 V 4.07 V
标称供电电压 (Vsup) 4.2 V - 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V
表面贴装 YES - YES YES YES YES YES YES YES
技术 CMOS - CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 OTHER - OTHER AUTOMOTIVE OTHER OTHER AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
端子面层 Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 NO LEAD - GULL WING GULL WING NO LEAD GULL WING GULL WING NO LEAD NO LEAD
端子节距 0.5 mm - 0.65 mm 0.65 mm 0.5 mm 0.65 mm 0.65 mm 0.5 mm 0.5 mm
端子位置 DUAL - DUAL DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 30 - 30 30 30 30 30 30 30
宽度 2 mm - 3 mm 3 mm 2 mm 3 mm 3 mm 2 mm 2 mm
封装等效代码 - - TSSOP8,.19 TSSOP8,.19 SOLCC8,.08,20 TSSOP8,.19 TSSOP8,.19 SOLCC8,.08,20 -
电源 - - 3.7 V 3.7 V 3.7 V 3.7 V 3.7 V 3.7 V -
最大供电电流 (Isup) - - 0.0012 mA 0.0012 mA 0.0012 mA 0.0012 mA 0.0012 mA 0.0012 mA -
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