5秒后页面跳转
捷配首页

Datasheet > BQ24157
BQ24157 PDF预览

BQ24157

更新时间： 2024-11-16 12:25:11
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
39页 2383K
描述
Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support

阅读下载

中文翻译

获取价格

BQ24157 数据手册

 浏览型号BQ24157的Datasheet PDF文件第2页浏览型号BQ24157的Datasheet PDF文件第3页浏览型号BQ24157的Datasheet PDF文件第4页浏览型号BQ24157的Datasheet PDF文件第5页浏览型号BQ24157的Datasheet PDF文件第6页浏览型号BQ24157的Datasheet PDF文件第7页 
bq24157  
www.ti.com  
SLUSB80 –SEPTEMBER 2012  
Fully Integrated Switch-Mode Charger  
With USB Compliance and USB-OTG Support  
Check for Samples: bq24157  
1
FEATURES  
23  
•
Power Up System without Battery  
•
Synchronous Fixed-Frequency PWM  
Controller Operating at 3 MHz With 0% to  
•
Charge Faster than Linear Chargers  
99.5% Duty Cycle  
•
High-Accuracy Voltage and Current Regulation  
•
•
Automatic High Impedance Mode for Low  
Power Consumption  
–
–
–
Input Current Regulation Accuracy: ±5%  
(100 mA and 500 mA)  
Robust Protection  
Charge Voltage Regulation Accuracy:  
±0.5% (25°C), ±1% (0°C to 125°C)  
–
Reverse Leakage Protection Prevents  
Battery Drainage  
Charge Current Regulation Accuracy: ±5%  
–
–
Thermal Regulation and Protection  
Input/Output Overvoltage Protection  
•
Input Voltage Based Dynamic Power  
Management (VIN DPM)  
•
•
•
•
Status Output for Charging and Faults  
USB Friendly Boot-Up Sequence  
Automatic Charging  
•
•
Bad Adaptor Detection and Rejection  
Safety Limit Register for Maximum Charge  
Voltage and Current Limiting  
•
High-Efficiency Mini-USB/AC Battery Charger  
for Single-Cell Li-Ion and Li-Polymer Battery  
Packs  
Boost Mode Operation for USB OTG  
–
Input Voltage Range (from Battery): 3.2 V to  
4.5 V  
•
•
•
•
20-V Absolute Maximum Input Voltage Rating  
6.5-V Maximum Operating Input Voltage  
Built-In Input Current Sensing and Limiting  
•
2.1 mm x 2 mm 20-Pin WCSP Package  
APPLICATIONS  
•
•
•
Mobile and Smart Phones  
MP3 Players  
Integrated Power FETs for Up To 1.25-A  
Charge Rate  
•
Programmable Charge Parameters through  
I2C™ Compatible Interface (up to 3.4 Mbps):  
Handheld Devices  
Figure 1. Typical Application Circuit  
–
–
–
–
–
–
Input Current Limit  
LO 1.0 mH  
RSNS  
VBAT  
VBUS  
VBUS  
VIN DPM Threshold  
SW  
CO1  
CIN  
CO2  
33 mF  
U1  
bq24157  
CBOOT  
1 mF  
22 mF  
Fast-Charge/Termination Current  
Charge Regulation Voltage (3.5 V to 4.44 V)  
Low Charge Current Mode Enable/Disable  
Termination Enable/Disable  
33nF  
BOOT  
PGND  
PMID  
PACK+  
+
4.7 mF  
C
IN  
2
CCSIN  
VAUX  
10 kW  
0.1 mF  
CSIN  
10 kW  
I
C BUS  
10 kW  
PACK–  
CSOUT  
SCL  
SCL  
SDA  
SDA  
CCSOUT  
0.1 mF  
STAT  
STAT  
VREF  
OTG  
OTG  
CD  
CVREF  
1 mF  
CD  
10 kW  
10 kW  
HOST  
1
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.  
2
3
NanoFree is a trademark of Texas Instruments.  
I2C is a trademark of NXP B.V. Corporation.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012, Texas Instruments Incorporated  
1234567...39

中文翻译

下载PDF

BQ24157 替代型号

型号 品牌 替代类型 描述 数据表
BQ24151A TI

功能相似

 Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG
BQ24150A TI

功能相似

 Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG
BQ24152 TI

功能相似

 Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and USB-OTG

与BQ24157相关器件

型号 品牌 获取价格 描述 数据表
BQ24157S TI

获取价格

 		具有 OTG 的 I2C 单节 1.25A 降压电池充电器
BQ24157SYFFR TI

获取价格

 		具有 OTG 的 I2C 单节 1.25A 降压电池充电器 | YFF | 20 | -4
BQ24157SYFFT TI

获取价格

 		具有 OTG 的 I2C 单节 1.25A 降压电池充电器 | YFF | 20 | -4
BQ24157YFFR TI

获取价格

 		Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support
BQ24157YFFT TI

获取价格

 		Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support
BQ24158 TI

获取价格

 		Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG
BQ24158_12 TI

获取价格

 		Fully Integrated Switch-Mode One-Cell Li-Ion Charger
BQ24158YFFR TI

获取价格

 		Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG
BQ24158YFFT TI

获取价格

 		Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG
BQ24159 TI

获取价格

 		Fully Integrated Switch-Mode One-Cell Li-Ion Charger

与BQ24157相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证