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MC34671AEPR2

更新时间： 2024-09-17 19:55:47
品牌 Logo 应用领域
恩智浦 - NXP 电池光电二极管
页数 文件大小 规格书
22页 501K
描述
Battery Charger, single cell, 0.6Amp, QFN 8, Reel

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MC34671AEPR2 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Transferred零件包装代码：DFN
包装说明：2 X 3 MM, 0.65 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, PLASTIC, UDFN-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：7.92
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：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC8,.11,20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
电源：5 V认证状态：Not Qualified
座面最大高度：0.65 mm子类别：Power Management Circuits
最大供电电压 (Vsup)：10 V最小供电电压 (Vsup)：2.6 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL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：40宽度：2 mm
Base Number Matches：1

MC34671AEPR2 数据手册

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Document Number: MC34671  
Rev. 1.0, 01/2008  
escale Semiconductor  
Advance Information  
High Input Voltage 600mA  
Charger for Single-cell Li-Ion  
Batteries  
34671  
The MC34671 is a cost-effective fully-integrated battery charger for  
Li-Ion or Li-Polymer batteries. The high input voltage, up to 28V,  
eliminates the input over-voltage-protection circuit required in  
handheld devices such as cell phones, Bluetooth accessories and MP3  
players.  
POWER MANAGEMENT IC  
A typical charge cycle includes trickle, constant-current (CC) and  
constant-voltage (CV) charge modes. The CC-mode current is  
programmable up to 600mA with an external resistor. The voltage  
across the external resistor is also used to monitor the actual charge  
current. The constant voltage is fixed at 4.2V with 0.7% accuracy over  
a -20°C to 70°C temperature range. The trickle-mode current is preset  
to 20% of the CC-mode current when the battery voltage is lower than  
the trickle-mode threshold. The end-of-charge (EOC) current threshold  
is preset to 10% of the CC-mode current to save the board space and  
cost. A charge current thermal foldback feature limits the charge  
current when the IC internal temperature rises to a preset threshold.  
The MC34671 also protects the system with its input over-voltage  
protection (OVP) feature. In addition, the MC34671 has a 2.6V falling  
power-on-reset (POR) threshold, making it perfect to work with current  
limited power supplies. Three indication pins (PPR, CHG and FAST)  
EP SUFFIX (PB-FREE)  
98ASA10774D  
8-PIN UDFN  
ORDERING INFORMATION  
Temperature  
Package  
Device  
MC34671AEP/R2  
Range (T )  
A
-40°C to 85°C  
8-UDFN  
can be simply interfaced to a microprocessor or LEDs. When no power supply is connected, or when disabled, the charger draws  
less than 1.0µA leakage current from the battery.  
Features  
• No external MOSFET, reverse-blocking diode or current-sense resistor are required  
• Guaranteed maximum 600mA programmable CC-mode current  
•
•
±0.7% voltage accuracy over -20°C to 70°C  
±5% current accuracy over -40°C to 85°C  
• 28V maximum voltage for the power input with 11V over-voltage protection threshold  
• 2.6V minimum input operating voltage  
• Trickle charge for fully discharged batteries  
• Charge current monitor  
• Charge current thermal foldback  
• Pb-free packaging designated by suffix code EP  
34671  
VIN  
TO BATTERY  
VIN  
BAT  
CIN  
GND  
COUT  
ISET  
RISET  
VIO  
CHG  
PPR  
EN  
OFF  
TO MCU  
ON  
FAST  
Figure 1. 34671 Simplified Application Diagram  
* This document contains certain information on a new product.  
Specifications and information herein are subject to change without notice.  
© Freescale Semiconductor, Inc., 2007-8. All rights reserved.  
 
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MC34671AEPR2 替代型号

型号 品牌 替代类型 描述 数据表
MC34671AEP NXP

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