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| 型號： | BQ6400RGZR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC48 |
| 封裝： | 7 X 7 MM, PLASTIC, QFN-48 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 460K |
| 代理商： | BQ6400RGZR |
1
FEATURES
DESCRIPTION
APPLICATIONS
www.ti.com ......................................................................................................................................................................................... SLUS841 – SEPTEMBER 2008
Single Chip 3 or 4 Cell Li-Ion Battery Management Controller With PowerPump Cell
Balancing Technology
23
Advanced SmartSafety
–
Prevention – Optimal Cell Management
The bq6400 Battery Management Controller is a
complete
Li-Ion
control,
monitoring,
and
safety
–
Diagnosis – Improved Sensing of Cell
solution
designed
for
notebook
computers
and
Problems
portable equipment. It is designed specifically to
–
Fail Safe – Detection of Event Precursors
provide an enhanced, optimized solution for packs
Rate-of-Change Detection of all Important Cell
using three or four series cells.
Characteristics:
The bq6400 provides accurate gas gauging while
–
Voltage – Impedance – Cell Temperature
providing
control,
communications
and
safety
functions for the system. It provides simultaneous,
PowerPump Active Cell Balancing Results in
synchronized voltage and temperature measurements
Longer Run Time and Cell Life
using
one
A/D
per-cell
technology.
Voltage
High Resolution 18-Bit Integrating Delta-Sigma
measurements are also simultaneous with pack
Coulomb Counter for Precise Charge-Flow
current measurements, eliminating system induced
Measurements and Gas Gauging
noise from measurements. This allows the precise,
continuous, real-time calculation of cell impedance
Multiple Independent Δ-Σ A/Ds: One-per-cell
under all operating conditions, even during widely
Voltage, Plus Separate Temperature, Current
fluctuating loads.
and Safety
Simultaneous, Synchronous Measurement of
PowerPump technology transfers charge between
cells to balance their voltage and capacity. Balancing
Pack Current and Individual Cell Voltages
is programmable during all battery modes: Charge,
Very Low Power Consumption: < 250 A
discharge, and rest. Highly efficient charge transfer
Active, < 150
A Standby, < 40 A Ship, and <
circuitry nearly eliminates energy loss while providing
1 A Under-Voltage Shutdown
true real-time balance between cells, resulting in
Accurate, Advanced Temperature Monitoring
longer run-time and improved cell cycle life.
of Cells and MOSFETs With up to 13 Sensors
Temperature is sensed by one internal and up to 12
Fully Programmable Voltage, Current, Balance
external sensors. This permits accurate temperature
and Temperature Protection Features
monitoring of each cell individually as well as pack
protection MOSFETs. Internal firmware is then able to
Cell Balancing Transfers Charge Efficiently
compensate for the temperature induced effects on
From Cell to Cell During all Operating
cell capacity, impedance, and OCV on a cell-by-cell
Conditions
basis, resulting in superior charge/discharge and
Fail-Safe Operation of Pack Protection Circuits
balancing control.
and MOSFETs
Support for Intel Adaptive Mobile Power System
Designed for 3 to 4 Series Cell Battery Packs
(AMPS) requirements for battery and MOSFET
Smart Battery System 1.1 Compliant
control is built-in. User definable inputs require no
external hardware translation logic.
Integrated Support for Intel AMPS
Field Upgradeable Flash Memory
The bq6400 is completely user-configurable with
parametric tables in flash memory to suit a variety of
cell chemistries, operating conditions, safety control,
and data reporting needs. It is easily configured using
Notebook Computer Battery Packs
the
supplied
Battery
Wizard
graphical
user
Portable Medical Equipment
interface. The device is fully programmed and
Portable Test Equipment
requires no algorithm or firmware development.
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.
2
PowerPump, SmartSafety are trademarks of Texas Instruments.
3
Intel is a trademark of Intel Corporation.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Not Recommended for New Designs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ6400RGZT | 功能描述:電池管理 Li-Ion Batt Mgmt Cntrlr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| BQ-7000 | 制造商:Stellar Labs Power 功能描述:Benq Joybook Replacement Laptop Battery |
| BQ71501DCKR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VOLT REGULATOR|ADJUSTABLE|+1.2V TO +15V|CMOS|TSSOP|6PIN|PLASTIC |
| BQ71525DCKR | 功能描述:低壓差穩(wěn)壓器 - LDO 50-mA 2.5-V High Input Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| BQ71525DCKRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO 50-mA 2.5-V High Input Voltage RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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