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BQ2004SN.B中文资料
BQ2004SN.B数据手册规格书PDF详情
Features
➤ Fast charge and conditioning of
nickel cadmium or nickel-metal
hydride batteries
➤ Hysteretic PWM switch-mode
current regulation or gated control
of an external regulator
➤ Easily integrated into systems or
used as a stand-alone charger
➤ Pre-charge qualification of temperature
and voltage
➤ Configurable, direct LED outputs
display battery and charge status
➤ Fast-charge termination by Δ temperature/
Δ time, peak volume detection,
-ΔV, maximum voltage,
maximum temperature, and maximum
time
➤ Optional top-off charge and
pulsed current maintenance
charging
➤ Logic-level controlled low-power
mode (< 5μAstandby current)
General Description
The bq2004 Fast Charge IC provides
comprehensive fast charge control
functions together with high-speed
switching power control circuitry on a
monolithicCMOS device.
Integration of closed-loop current
control circuitry allows the bq2004
to be the basis of a cost-effective solution
for stand-alone and systemintegrated
chargers for batteries of
one or more cells.
Switch-activated discharge-beforecharge
allows bq2004-based chargers
to support battery conditioning and
capacity determination.
High-efficiency power conversion is
accomplished using the bq2004 as a
hysteretic PWM controller for
switch-mode regulation of the charging
current. The bq2004 may alternatively
be used to gate an externally
regulated charging current.
Fast charge may begin on application
of the charging supply, replacement
replacement
of the battery, or switch depression.
For safety, fast charge is
inhibited unless/until the battery
temperature and voltage are within
configured limits.
Temperature, voltage, and time are
monitored throughout fast charge.
Fast charge is terminated by any of
the following:
Rate of temperature time
(ΔT/Δt)
Peak voltage detection (PVD)
Negative delta voltage (-ΔV)
Maximum voltage
Maximum temperature
Maximum time
After fast charge, optional top-off
and pulsed current maintenance
phases are available.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
23+ |
SOP-16 |
8650 |
受权代理!全新原装现货特价热卖! |
|||
TI |
25+23+ |
SOP-16 |
17372 |
绝对原装正品全新进口深圳现货 |
|||
TI |
19+ |
SOP-16 |
32000 |
原装正品,现货特价 |
|||
TI/德州仪器 |
23+ |
SOP-16 |
50000 |
全新原装正品现货,支持订货 |
|||
TI |
23+ |
SOP-16 |
50000 |
全新原装正品现货,支持订货 |
|||
TI |
25+ |
SOP-16 |
3200 |
全新原装、诚信经营、公司现货销售 |
|||
TI |
25+ |
SOP-16 |
8880 |
原装认准芯泽盛世! |
|||
TI/德州仪器 |
23+ |
SOP-16 |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
|||
TI/德州仪器 |
22+ |
SOP-16 |
12245 |
现货,原厂原装假一罚十! |
|||
TI |
15+ |
SOP-16 |
4370 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
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Datasheet数据表PDF页码索引
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Texas Instruments 美国德州仪器公司
德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。德州仪器是推动互联网时代不断发展的半导体引擎,作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,凭借性能卓越的半导体解决方案不断推动着互联网时代的前进步伐。TI预想未来世界的方方面面都渗透着TI产品的点点滴滴,每个电话、每次上网、拍的每张照片、听的每