Datasheet 搜索 > 开发套件 > TI（德州仪器） > BQ24157EVM-697 数据手册 > BQ24157EVM-697 数据手册 1/47 页
￥ 865.601
BQ24157EVM-697 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
开发套件
描述:
TEXAS INSTRUMENTS BQ24157EVM-697 评估模块, BQ24157EVM-697
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4Hot
典型应用电路图在P1P30
原理图在P13P14
封装尺寸在P42P44P45
标记信息在P42
封装信息在P5P40P41P42P43P44P45
技术参数、封装参数在P5P31
应用领域在P1P47
电气规格在P6P7P8
型号编号列表在P31
导航目录
BQ24157EVM-697数据手册
Page:
of 47 Go
若手册格式错乱，请下载阅览PDF原文件
C
VREF
33 nF
C
BOOT
+
PACK–
PACK+
C
CSOUT
SCL
SDA
CSOUT
CSIN
PGND
SW
I
2
C BUS
VAUX
HOST
SCL
SDA
STAT
VREF
STAT
PMID
VBUS
C
IN
V
BUS
C
IN
BOOT
OTG
U1
CD
R
SNS
C
CSIN
V
BAT
1 Fm
4.7 Fm
10 kW
10 kW
L 1.0 H
O
m
C
O1
22 Fm
0.1 Fm
0.1 Fm
1 Fm
bq24157
OTG
CD
10 kW
10 kW
10 kW
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq24157
SLUSB80C –SEPTEMBER 2012–REVISED JUNE 2015
bq24157 Fully Integrated Switch-Mode Charger
With USB Compliance and USB-OTG Support
1 Features • Status Output for Charging and Faults
• USB Friendly Boot-Up Sequence
1
• Power Up System without Battery
• Automatic Charging
• Charge Faster than Linear Chargers
• Boost Mode Operation for USB OTG
• High-Accuracy Voltage and Current Regulation
– Input Voltage Range (from Battery): 3.2 V to
– Input Current Regulation Accuracy: ±5% (100
4.5 V
mA and 500 mA)
• 2.1 mm x 2 mm 20-Pin WCSP Package
– Charge Voltage Regulation Accuracy: ±0.5%
(25°C), ±1% (0°C to 125°C)
2 Applications
– Charge Current Regulation Accuracy: ±5%
• Mobile and Smart Phones
• Input Voltage Based Dynamic Power
• MP3 Players
Management (VIN DPM)
• Handheld Devices
• Bad Adaptor Detection and Rejection
• Safety Limit Register for Maximum Charge
3 Description
Voltage and Current Limiting
The bq24157 is a compact, flexible, high-efficiency,
• High-Efficiency Mini-USB/AC Battery Charger for
USB-friendly switch-mode charge management
Single-Cell Li-Ion and Li-Polymer Battery Packs
device for single-cell Li-ion and Li-polymer batteries
• 20-V Absolute Maximum Input Voltage Rating
used in a wide range of portable applications. The
charge parameters can be programmed through an
• 6.5-V Maximum Operating Input Voltage
I
2
C interface. The IC integrates a synchronous PWM
• Built-In Input Current Sensing and Limiting
controller, power MOSFETs, input current sensing,
• Integrated Power FETs for Up To 1.55-A Charge
high-accuracy current and voltage regulation, and
Rate
charge termination, into a small WCSP package.
• Programmable Charge Parameters through I
2
C™
Device Information
(1)
Compatible Interface (up to 3.4 Mbps):
PART NUMBER PACKAGE BODY SIZE (NOM)
– Input Current Limit
bq24157 WCSP (20-Pin) 2.1 mm x 2.0 mm
– VIN DPM Threshold
(1) For all available packages, see the orderable addendum at
– Fast-Charge/Termination Current
the end of the datasheet.
– Charge Regulation Voltage (3.5 V to 4.44 V)
– Low Charge Current Mode Enable/Disable
Typical Application Circuit
– Termination Enable/Disable
• Support up to 1.55A Charge Current using 55 mΩ
Sensing Resistor
• Synchronous Fixed-Frequency PWM Controller
Operating at 3 MHz With 0% to 99.5% Duty Cycle
• Automatic High Impedance Mode for Low Power
Consumption
• Robust Protection
– Reverse Leakage Protection Prevents Battery
Drainage
– Thermal Regulation and Protection
– Input/Output Overvoltage Protection
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
