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BQ78350DBT-R1A PDF预览

BQ78350DBT-R1A

更新时间： 2023-09-03 20:32:10
品牌 Logo 应用领域
德州仪器 - TI 电池控制器光电二极管
页数 文件大小 规格书
32页 1522K
描述
CEDV 锂离子电池电量监测计和电池管理控制器 | DBT | 30 | -40 to 85

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BQ78350DBT-R1A 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSSOP-30
Reach Compliance Code：compliantFactory Lead Time：8 weeks
风险等级：2.27可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G30
JESD-609代码：e4湿度敏感等级：2
信道数量：1功能数量：1
端子数量：30最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE最大供电电压 (Vsup)：2.6 V
最小供电电压 (Vsup)：2.4 V标称供电电压 (Vsup)：2.5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子位置：DUALBase Number Matches：1

BQ78350DBT-R1A 数据手册

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Support &  
Community  
Product  
Folder  
Order  
Now  
Tools &  
Software  
Technical  
Documents  
BQ78350-R1A  
SLUSE05 –DECEMBER 2019  
BQ78350-R1A CEDV Li-Ion Gas Gauge and Battery Management Controller Companion to  
the BQ769x0 Battery Monitoring AFE  
1 Features  
2 Applications  
1
•
Compensated end-of-discharge voltage (CEDV)  
gauging algorithm  
•
Light electric vehicles (levs): ebikes, escooters,  
pedelec, and pedal-assist bicycles  
•
•
Supports SMBus host communication  
•
•
Power and gardening tools  
Flexible configuration for 3- to 5-series  
(BQ76920), 6- to 10-series (BQ76930), and 9- to  
15-series (BQ76940) li-ion and LiFePO4 batteries  
Battery backup and uninterruptible power supply  
(UPS) systems  
•
•
•
Wireless base station backup systems  
Telecom power systems  
•
•
Supports battery configurations up to 320 Ahr  
Supports charge and discharge current reporting  
up to 320 A  
Handheld vacuum cleaners and robot vacuums  
•
•
On-chip temperature sensor option  
3 Description  
The Texas Instruments BQ78350-R1A li-ion and  
LiFePO4 Battery Management Controller and  
companion to the BQ769x0 family of analog front end  
(AFE) protection devices provides a comprehensive  
set of Battery Management System (BMS)  
External NTC thermistor support from companion  
AFE  
•
Full array of programmable protection features  
–
–
Voltage, current, and temperature  
System components  
subsystems,  
helping  
to  
accelerate  
product  
development for faster time-to-market.  
•
•
Lifetime data logging  
The BQ78350-R1A controller and the BQ769x0 AFE  
support 3-series to 15-series cell applications. The  
BQ78350-R1A device provides an accurate fuel  
gauge and state-of-health (SoH) monitor, as well as  
cell balancing and a full range of voltage-, current-,  
and temperature-based protection features.  
Supports CC-CV charging, including precharge,  
charge inhibit, and charge suspend  
•
Offers an optional resistor programmable SMBus  
slave address for up to eight different bus  
addresses  
•
•
Drives up to a 5-segment LED or LCD display for  
state-of-charge indication  
Device Information(1)  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
Provides SHA-1 authentication  
BQ78350-R1A  
TSSOP (30)  
7.80 mm x 6.40 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Simplified Schematic  
PACK+  
bq76920  
BAT  
VC5  
VC4  
VC3  
VC2  
VC1  
VC0  
SRP  
SRN  
ALERT  
REGSRC  
REGOUT  
CAP 1  
LED1  
LED2  
LED3  
LED4  
LED5  
VCC  
MRST  
BAT  
TS 1  
SCL  
SDA  
VSS  
CHG  
DSG  
VAUX  
KEYIN  
PRES  
RBI  
PWRM  
DISP  
PUSH-BUTTON  
FOR BOOT  
SAFE  
VSS  
COM  
VEN  
SCL  
SDA  
SMBC  
SMBC  
ALERT  
PRECHG  
GPIOA  
SMBD  
SMBA  
SMBD  
PACK–  
ADREN  
GPIOB  
Copyright © 2017, Texas Instruments Incorporated  
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.  
 
 
 
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