BQ24704RGER PDF预览

BQ24704RGER

更新时间: 2025-07-14 06:44:11
品牌 Logo 应用领域
德州仪器 - TI 电源电路电池电源管理电路
页数 文件大小 规格书
31页 1473K
描述
Low Cost, Host-Controlled Li-Ion and Li-Polymer Battery Charger With Low Iq

BQ24704RGER 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:QFN
包装说明:HVQCCN,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:5.15Is Samacsys:N
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:S-PQCC-N24JESD-609代码:e4
长度:4 mm湿度敏感等级:2
信道数量:1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:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, 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:1 mm
最大供电电压 (Vsup):24 V最小供电电压 (Vsup):5 V
标称供电电压 (Vsup):7 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:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

BQ24704RGER 数据手册

 浏览型号BQ24704RGER的Datasheet PDF文件第1页浏览型号BQ24704RGER的Datasheet PDF文件第2页浏览型号BQ24704RGER的Datasheet PDF文件第4页浏览型号BQ24704RGER的Datasheet PDF文件第5页浏览型号BQ24704RGER的Datasheet PDF文件第6页浏览型号BQ24704RGER的Datasheet PDF文件第7页 
bq24704  
www.ti.com ........................................................................................................................................................................................................ SLUS838MAY 2009  
ADAPTER +  
ADAPTER–  
SYSTEM  
RAC  
C7  
R10  
2 Ω  
C6  
P
P
0.01 Ω  
10µF  
10µF  
D2  
BAT54  
Q1 (ACFET) Q2 (ACFET)  
SI4435 SI4435  
Controlled by  
HOST  
C1  
2.2µF  
C3  
0.1 µF  
C2  
ACN  
ACP  
PVCC  
0.1µF  
R1  
432 kΩ  
1%  
Q3(BATFET)  
SI4435  
Controlled by  
HOST  
C8  
0.1µF  
ACDET  
AGND  
P
Q4  
FDS6680A  
R2  
HIDRV  
VREF  
66.5 kΩ  
1%  
N
RSR  
L1  
8.2µH  
PH  
R3  
10 kΩ  
0.01 Ω  
C9  
PACK+  
PACK–  
BTST  
ACGOOD  
ACGOOD  
C11  
10 µF  
0.1 µF  
BAT54  
R13  
100 kΩ  
D1  
C12  
10µF  
VREF  
R11  
REGN  
R14  
SRSET  
ACSET  
VREF  
C10  
1 µF  
42 kΩ  
100 kΩ  
C13  
0.1 µF  
bq24704  
R12  
47 kΩ  
LODRV  
PGND  
C14  
0.1µF  
Q5  
FDS6680A  
N
C4  
1 µF  
R4  
10 kΩ  
SRP  
SRN  
BAT  
DPMDET  
CELLS  
GPIO  
10 kΩ  
R15  
C15  
0.1µF  
CHGEN  
HOST  
ISYNSET  
REGN  
VADJ  
R6  
20 kΩ  
ADC  
PowerPad  
IADAPT  
C5  
100 pF  
(1) Pull-up rail could be either VREF or other system rail.  
(2) SRSET/ACSET could come from either DAC or resistor dividers.  
(3) VIN = 20 V, VBAT = 3-cell Li-Ion, ICHARGE = 3 A, IADAPTER_LIMIT = 4 A  
Figure 2. Typical System Schematic, Voltage and Current Programmed by Resistor  
ORDERING INFORMATION  
Ordering Number  
Part Number  
Package  
Quantity  
(Tape and Reel)  
bq24704RGER  
bq24704RGET  
3000  
250  
bq24704  
24-PIN 4 x 4 mm QFN  
PACKAGE THERMAL DATA  
TA=25°C POWER RATING  
DERATING FACTOR ABOVE  
TA= 25°C  
PACKAGE  
θJA  
QFN – RGE(1)(2)  
45°C/W  
2.33 W  
0.023 W/°C  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
Web site at www.ti.com.  
(2) This data is based on using the JEDEC High-K board and the exposed die pad is connected to a Cu pad on the board. This is  
connected to the ground plane by a 2x3 via matrix.  
Copyright © 2009, Texas Instruments Incorporated  
Submit Documentation Feedback  
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Product Folder Link(s) :bq24704  
 

BQ24704RGER 替代型号

型号 品牌 替代类型 描述 数据表
BQ24704RGET TI

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Low Cost, Host-Controlled Li-Ion and Li-Polymer Battery Charger With Low Iq

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