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FEATURES
· Provides Accurate Measurement of Available
Charge in Li-Ion and Li-Polymer Batteries
· Supports the Smart Battery Specification
(SBS) V1.1
· Integrated Time Base Removes Need for
External Crystal with Optional Crystal input
· Works With the TI bq29312A Analog
Front-End (AFE) Protection IC to Provide
Complete Pack Electronics for 7.2-V, 10.8-V or
14.4-V Battery Packs With Few External
Components
· Based on a Powerful Low-Power RISC CPU
Core With High-Performance Peripherals
· Integrated Flash Memory Eliminates the Need
for External Configuration EEPROM
· Uses 16-Bit Delta Sigma Converter for
Accurate Voltage and Temperature
Measurements
· Measures Charge Flow Using a High
Resolution 16-Bit Integrating Converter
– Better Than 0.65-nVh of Resolution
– Self-Calibrating
– Offset Error Less Than 1-μV
· Programmable Cell Modeling for Maximum
Battery Fuel Gauge Accuracy
· Drives 3-, 4-, or 5-Segment LED Display for
Remaining Capacity Indication
· Available in a 38-Pin TSSOP (DBT) Package
APPLICATIONS
· Notebook PCs
· Medical and Test Equipment
· Portable Instrumentation
DESCRIPTION
The bq2084-V150 SBS-compliant gas gauge IC for
battery pack or in-system installation maintains an
accurate record of available charge in Li-ion or
Li-polymer batteries. The bq2084-V150 monitors
capacity and other critical parameters of the battery
pack and reports the information to the system host
controller over a serial communication bus. It is
designed to work with the bq29312A AFE protection
IC to maximize functionality and safety and minimize
component count and cost in smart battery circuits.
Using information from the bq2084-V150, the host
controller can manage remaining battery power to
extend the system run time as much as possible.
The bq2084-V150 uses an integrating converter with
continuous sampling for the measurement of battery charge and discharge currents. Optimized for
coulomb counting in portable applications, the
self-calibrating integrating converter has a resolution
better than 0.65-nVh and an offset measurement
error of less than 1-μV (typical). For voltage and
temperature reporting, the bq2084-V150 uses a
16-bit A-to-D converter. With the bq29312A, the onboard ADC also monitors the pack and individual
cell voltages in a battery pack and allows the
bq2084-V150 to generate the control signals
necessary to implement the cell balancing and the
required safety protection for Li-ion and Li-polymer
battery chemistries.
The bq2084-V150 supports the Smart Battery Data
(SBData) commands and charge-control functions. It
communicates data using the System Management
Bus (SMBus) 2-wire protocol. The data available
include the battery's remaining capacity,
temperature, voltage, current, and remaining
run-time predictions.
The bq2084-V150 provides LED drivers and a
pushbutton input to depict remaining battery capacity
from full to empty in 20%, 25%, or 33% increments
with a 3-, 4-, or 5-segment display.
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
TI/德州儀器 |
24+ |
TSSOP |
6000 |
只做原裝,歡迎詢價,量大價優(yōu) |
詢價 | ||
TEXASINSTRUM |
24+ |
36-QFN |
7600 |
只做原裝正品現(xiàn)貨 歡迎來電查詢15919825718 |
詢價 | ||
Texas Instruments |
23+ |
36-VQFN |
7300 |
專注配單,只做原裝進口現(xiàn)貨 |
詢價 | ||
TI |
22+ |
36VQFN |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
TI/德州儀器 |
23+ |
NA |
10000 |
原廠授權(quán)一級代理,專業(yè)海外優(yōu)勢訂貨,價格優(yōu)勢、品種 |
詢價 | ||
TI |
24+ |
XCEPT |
6000 |
進口原裝正品假一賠十,貨期7-10天 |
詢價 | ||
TI |
23+ |
TSSOP |
9960 |
價格優(yōu)勢、原裝現(xiàn)貨、客戶至上。歡迎廣大客戶來電查詢 |
詢價 | ||
Texas Instruments |
25+ |
36-VFQFN 裸露焊盤 |
9350 |
獨立分銷商 公司只做原裝 誠心經(jīng)營 免費試樣正品保證 |
詢價 | ||
TI/德州儀器 |
24+ |
TSSOP |
6000 |
全新原裝,一手貨源,全場熱賣! |
詢價 | ||
TI |
23+ |
原廠封裝 |
26990 |
##公司主營品牌長期供應(yīng)100%原裝現(xiàn)貨可含稅提供技術(shù) |
詢價 |