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BQ2028 PDF预览

BQ2028

更新时间: 2024-10-28 12:25:11
品牌 Logo 应用领域
德州仪器 - TI 传感器温度传感器可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
26页 892K
描述
4Kb EEPROM with Single-Wire HDQ Interface and Temperature Sensor

BQ2028 数据手册

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bq2028  
www.ti.com  
SLUSB22B OCTOBER 2012REVISED NOVEMBER 2012  
4Kb EEPROM with Single-Wire HDQ Interface and Temperature Sensor  
Check for Samples: bq2028  
1
FEATURES  
DESCRIPTION  
The Texas Instruments bq2028 serial 4Kb nonvolatile  
memory (EEPROM) with integrated temperature  
sensor and LDO linear regulator provides pack-side  
memory storage and temperature monitoring for a  
single-cell system-side battery fuel gauge solution  
such as the bq27505-E1.  
Serial Non-Volatile Memory (NVM)  
512 Byte (4Kb) EEPROM  
Provides Battery Pack NVM storage for  
bq27505-E1 Fuel Gauge:  
Manufacturing Data  
Operational History  
Resistance Tables  
The bq2028 communicates with the bq27505-E1  
gauge over a single-wire HDQ interface with a  
minimal overhead protocol yet ensures error free data  
transfer.  
State of Health Information  
Single Wire HDQ Communications Port  
Integrated 2.5V LDO Linear Regulator  
REGIN  
Ultra-low power “shutdown” mode (1µA  
Typical) via auto-timeout and/or host  
command  
bq2028  
2.5-V  
VDD  
LDO  
Wake up from shutdown via HDQ break  
Internal Die-Temperature Sensor  
HDQ  
HDQ and control  
±5°C Range = –40°C to 85°C  
Raw AD to Temperature Conversion  
Performed by Host Firmware  
Internal  
temperature  
sensor  
512 x 8b  
EEPROM  
Package  
12-pin, 1490 × 2350 µm WCSP (YZG),  
0.625mm Max Thickness, 0.5mm Pitch  
VSS  
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.  
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  
 

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