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参数资料
| 型号： | MAX17043G+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/14页 |
| 文件大小： | 0K |
| 描述： | IC 2-WIRE FG MODEL GAUGE LO BATT |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 10,000 |
| 系列： | ModelGauge™ |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 4.5 V |
| 工作温度： | -20°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（2x3） |
| 包装： | 带卷 (TR) |
| 其它名称： | 90-2771G+BTR |
MAX17043/MAX17044
Compact, Low-Cost 1S/2S Fuel Gauges
with Low-Battery Alert
BATTERY
PACK+
SYSTEM
SYSTEM V DD
PROTECTION IC
1k Ω
CELL
V DD
ALRT
MAX17043
150 Ω
4.7k Ω
SYSTEM μ P
INTERRUPT
INPUT
(Li+/POLYMER)
1 μ F
QSTRT
CTG
SDA
I 2 C BUS
GND
EP
SCL
MASTER
10nF
PACK-
Figure 6. MAX17043 Application Example with Alert Interrupt
BATTERY
PACK+
1k Ω
SYSTEM
SYSTEM PMIC
SYSTEM GND
SYSTEM V DD
CELL
V DD
QSTRT
3.3V OUTPUT
WATCHDOG
PROTECTION IC
(Li+/POLYMER)
MAX17044
PACK-
1 μ F
ALRT
CTG
GND
EP
SDA
SCL
I 2 C BUS
MASTER
SYSTEM μ P
SYSTEM GND
Figure 7. MAX17044 Application Example with Hardware Reset
Figure 6 shows an example application for a 1S cell
pack. The MAX17043 is mounted on the system side
and powered directly from the cell pack. The external
RC networks on V DD and CELL provide noise filtering of
the IC power supply and A/D measurement. In this
example, the ALRT pin is connected to the micro-
processor's interrupt input to allow the MAX17043 to
signal when the battery is low. The QSTRT pin is
unused in this application, so it is tied to GND.
10
Figure 7 shows a MAX17044 example application using
a 2S cell pack. The MAX17044 is mounted on the sys-
tem side and powered from a 3.3V supply generated
by the system. The CELL pin is still connected directly
to PACK+ through an external noise filter. The ALRT pin
is left unconnected because the interrupt feature is not
used in this application. After power is supplied, the
system watchdog generates a low-to-high transition on
the QSTRT pin to signal the MAX17044 to perform a
quick-start.
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17043X+ | 功能描述:电池管理 1S/2S Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17043X+T10 | 功能描述:电池管理 1S/2S Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17043X+U | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17044G+T | 功能描述:电池管理 1S/2S Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX17044G+U | 制造商:Maxim Integrated Products 功能描述:2-WIRE FG W/MD GAUGE W/LOW BATT ALE - Rail/Tube |
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