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BQ24702PW PDF预览

BQ24702PW

更新时间： 2024-11-18 21:53:19
品牌 Logo 应用领域
德州仪器 - TI 电池光电二极管控制器
页数 文件大小 规格书
32页 518K
描述
MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR

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中文翻译

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BQ24702PW 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP, TSSOP24,.25针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.73可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G24
JESD-609代码：e4长度：7.8 mm
湿度敏感等级：1信道数量：3
功能数量：1端子数量：24
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP24,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：7/28 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Power Management Circuits
最大供电电流 (Isup)：6 mA最大供电电压 (Vsup)：28 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：18 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

BQ24702PW 数据手册

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SLUS553D − MAY 2003 − REVISED JULY 2005  
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FEATURES  
DESCRIPTION  
D
D
Dynamic Power Management, DPM  
Minimizes Battery Charge Time  
The bq24702/bq24703 is a highly integrated battery  
charge controller and selector tailored for notebook and  
sub-notebook PC applications.  
Integrated Selector Supports Battery  
Conditioning and Smart Battery Learn Cycle  
The bq24702/bq24703 uses dynamic power  
management (DPM) to minimize battery charge time by  
maximizing use of available wall-adapter power. This is  
achieved by dynamically adjusting the battery charge  
current based on the total system (adapter) current.  
D
Zero Volt Operation  
D
Selector Feedback Circuit Ensures  
Break-Before-Make Transition  
D
0.4% Charge Voltage Accuracy, Suitable for  
Charging Li-Ion Cells  
The bq24702/bq24703 uses a fixed frequency, pulse  
width modulator (PWM) to accurately control battery  
charge current and voltage. Charge current limits can  
be programmed from a keyboard controller DAC or by  
external resistor dividers from the precision 5-V, 0.6%,  
externally bypassed voltage reference (VREF),  
supplied by the bq24702/bq24703.  
D
4% Charge Current Accuracy  
D
300-kHz Integrated PWM Controller for  
High-Efficiency Buck Regulation  
D
D
D
Depleted Battery Detection and Indication to  
Protect Battery From Over Discharge  
20-µA Sleep Mode Current for Low Battery  
Drain  
24-Pin TSSOP Package and 5 mm × 5 mm  
QFN package (bq24703 only)  
bq24702, bq24703  
PW PACKAGE  
(TOP VIEW)  
bq24703  
RHD PACKAGE  
(BOTTOM VIEW)  
ACDET  
ACPRES  
ACSEL  
BATDEP  
SRSET  
ACSET  
VREF  
ACDRV  
BATDRV  
VCC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
2
28  
27  
26  
25  
24  
23  
22  
8
9
ACSEL  
ACPRES  
ACDET  
ACDRV  
BATDRV  
NC  
ACN  
ACP  
NC  
3
PWM  
VHSP  
ALARM  
VS  
4
10  
11  
12  
13  
14  
5
6
NC  
7
BATP  
IBAT  
NC  
ENABLE  
BATSET  
COMP  
GND  
8
SRP  
9
SRN  
10  
11  
VCC  
ACN  
IBAT  
ACP 12  
13 BATP  
NC − No internal connection  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments  
semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2003 − 2004, Texas Instruments Incorporated  
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中文翻译

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BQ24702PW 替代型号

型号 品牌 替代类型 描述 数据表
BQ24702PWRG4 TI

完全替代

 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
BQ24702PWG4 TI

完全替代

 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
BQ24702PWR TI

类似代替

 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR

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