燃料计为1系列电池锂离子
Applications • PDAs
•PDA应用
• Digital
Still and Video Cameras • Microcontroller Peripheral Provides:
••••••单片机的数码相机和视频相机的外围提供。
•
Handheld Terminals
•手持终端
–
Accurate Battery Fuel Gauging
–准确的燃料电池gauging
• MP3 or
Multimedia Players
•MP3或多媒体播放器
–
Internal Temperature Sensor for System
–内部温度传感器和系统
Temperature Reporting
温度报告
–
SHA-1/HMAC Authentication
–认证/ HMAC SHA-1
The Texas
Instruments bq27541 Li-Ion battery fuel
德州仪器bq27541锂离子电池燃料
– 96
Bytes of Non-Volatile Scratch Pad
–96字节的非易失刮垫
gauge is
a microcontroller peripheral that provides
这是一个单片机的外围提供的表
FLASH
闪光
fuel
gauging for single-cell Li-Ion battery packs. The
燃料gauging单细胞锂离子电池包。酒店
• Battery
Fuel Gauging Based on Patented
•基于燃料电池gauging patented
device
requires little system microcontroller firmware
单片机小系统的设备需要的固件
Impedance
Track™ Technology
二阻抗技术
development for accurate battery fuel gauging. The
开发生物燃料电池gauging准确。酒店
bq27541
resides within the battery pack or on the – Models Battery Discharge Curve
for
bq27541 resides在电池组或电池放电曲线上的模特。
system’s
main-board with an embedded battery
系统的主电路板有一个嵌入式电池
Accurate
Time-To-Empty Predictions
准确的时-空,
(nonremovable).
(固定)。
–
Automatically Adjusts for Battery Aging,
–自动调整自己的电池老化。
Battery
Self-Discharge, and The bq27541 uses the patented Impedance Track™
电池的自放电,和bq27541使用阻抗的二patented酒店
algorithm
for fuel gauging, and provides information Temperature/Rate Inefficiencies
燃料gauging算法研究,提供信息和inefficiencies温度/率
such as
remaining battery capacity (mAh),
如剩余电池容量(mAh)
–
Low-Value Sense Resistor (5 mΩ to 20 mΩ)
–低值电阻(5到20 mΩ镰刀mΩ)
state-of-charge (%), run-time to empty (min.), battery
先进的批处理(%),到空运行时间(分钟),电池
• HDQ and
I 2 C™ Interface Formats for
•2 c™HDQ和接口格式。
voltage
(mV), and temperature (°C).
电压(MV),和温度(°C)。
Communication with Host System
与主机系统的通信
The
bq27541 also features integrated support for
因此,在bq27541功能集成支持
• Small
12-pin 2,5 mm × 4 mm SON Package
•小12针2.5毫米×4毫米的儿子包
secure
battery pack authentication, using the
安全电池包认证,使用
SHA-1/HMAC authentication algorithm.
HMAC SHA-1 /认证算法。