Datasheet 搜索 > 电池管理芯片 > TI（德州仪器） > BQ29209TDRBTQ1 数据手册 > BQ29209TDRBTQ1 数据手册 1/23 页
￥ 8.848
BQ29209TDRBTQ1 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电池管理芯片
封装:
VSON EP-8
描述:
具有自动电池均衡功能的汽车电压保护，用于 2 节锂离子电池，OVP=4.30V 8-SON -40 to 105
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P12
原理图在P1P7
封装尺寸在P16P18P19
标记信息在P16
封装信息在P15P16P17P18P19
技术参数、封装参数在P3
应用领域在P1P12P23
电气规格在P4P5
导航目录
BQ29209TDRBTQ1数据手册
Page:
of 23 Go
若手册格式错乱，请下载阅览PDF原文件
CELL1
CELL2
R
CB
R
CB2
C
IN
C
IN
C
VD
R
VD
C
CD
OUT
VDD
CB_EN
GND
1
2
4
3
CD
VC2
VC1
VC1_CB
8
7
5
6
PWR PAD
R
CB1
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq29209-Q1
SLUSC62 –JUNE 2015
bq29209-Q1 Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion
Batteries
1 Features 3 Description
The bq29209-Q1 device is a secondary overvoltage
1
• 2-Series Cell Secondary Protection
protection IC for 2-series cell lithium-ion battery packs
• Automatic Cell Imbalance Correction with External
that incorporates a high-accuracy precision
Enable Control
overvoltage detection circuit and automatic cell
– ±30-mV Enable, 0-mV Disable Thresholds
imbalance correction.
Typical
The voltage of each cell in a 2-series cell battery
• External Capacitor-Controlled Delay Timer
pack is compared to a factory programmed internal
reference voltage. If either cell reaches an
• External Resistor-Controlled Cell Balance Current
overvoltage condition, the OUT pin changes from low
• Low Power Consumption I
CC
< 3 µA Typical
to high state.
(V
CELL
(ALL) < V
PROTECT
)
The bq29209-Q1 can perform automatic voltage-
• Internal Cell Balancing Handles Current
based cell imbalance correction. Balancing can start
up to 15 mA
when the cell voltages are different by nominally
• External Cell Balancing Mode Supported
30 mV or more and stops when the difference is
• High-Accuracy Overvoltage Protection:
nominally 0 mV. Cell balancing is enabled and
disabled by the CB_EN pin.
– ±25 mV with T
A
= 0°C to 60°C
• Fixed Overvoltage Protection Threshold:
Device Information
(1)
4.30 V
PART NUMBER PACKAGE BODY SIZE (NOM)
• Small 8L DRB Package
bq29209-Q1 VSON (8) 3.00 mm × 3.00 mm
• Automotive-Qualified AEC Q100 Grade Two
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
2 Applications
• 2
nd
Level Protection in Li-Ion Battery Packs
– Emergency Call (eCall)
– Netbook Computers
– Power Tools
– Portable Equipment and Instrumentation
– Battery Backup Systems
4 Simplified Schematic
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
