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参数资料
| 型号： | MAX17040X+U |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/13页 |
| 文件大小： | 0K |
| 描述： | IC 2-WIRE FG W/MODEL GAUGE 9USCP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | ModelGauge™ |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 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： | 9-WFBGA，WLCSP |
| 供应商设备封装： | 9-uCSP（1.61x1.43） |
| 包装： | 管件 |
MAX17040/MAX17041
Compact, Low-Cost 1S/2S Fuel Gauges
MODE Register
Table 3. COMMAND Register Command
The MODE register allows the host processor to send
special commands to the IC (Figure 4). Valid MODE
register write values are listed as follows. All other
MODE register values are reserved. Table 2 shows the
VALUE
0054h
COMMAND
POR
DESCRIPTION
See the Power-On Reset
(POR) description section.
MODE register command.
Table 2. MODE Register Command
VALUE COMMAND DESCRIPTION
Application Examples
The MAX17040/MAX17041 have a variety of configura-
tions, depending on the application. Table 4 shows the
4000h
Quick-Start
See the Quick-Start
description section.
most common system configurations and the proper
pin connections for each.
Figure 5 shows an example application for a 1S cell
VERSION Register
The VERSION register is a read-only register that con-
tains a value indicating the production version of the
pack. The MAX17040 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
MAX17040/MAX17041.
RCOMP Register
example, the SEO pin is connected to V DD to allow an
external clock and reduce power usage by the
MAX17040. The system’s 32kHz clock is connected to
RCOMP is a 16-bit value used to compensate the
ModelGauge algorithm. RCOMP can be adjusted to
optimize performance for different lithium chemistries or
different operating temperatures. Contact Maxim for
instructions for optimization. The factory-default value
for RCOMP is 9700h.
COMMAND Register
The COMMAND register allows the host processor to
send special commands to the IC. Valid COMMAND
register write values are listed as follows. All other
COMMAND register values are reserved. Table 3
shows the COMMAND register command.
Table 4. Possible Application Configurations
the EO input pin.
Figure 6 shows a MAX17041 example application using
a 2S cell pack. The MAX17041 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 SEO pin
is connected low to allow the system hardware to reset
the fuel gauge. After power is supplied, the system
watchdog generates a low-to-high transition on the EO
pin to signal the MAX17041 to perform a quick-start.
SYSTEM CONFIGURATION
1S Pack-Side Location
1S Host-Side Location
1S Host-Side Location,
External Clocking
1S Host-Side Location,
Hardware Quick-Start
2S Pack-Side Location
2S Host-Side Location
2S Host-Side Location,
External Clocking
2S Host-Side Location,
Hardware Quick-Start
IC
MAX17040
MAX17040
MAX17040
MAX17040
MAX17041
MAX17041
MAX17041
MAX17041
V DD
Power directly from battery
Power directly from battery
Power directly from battery
Power directly from battery
Power from 2.5V to 4.5V LDO in pack
Power from 2.5V to 4.5V LDO or PMIC
Power from 2.5V to 4.5V LDO or PMIC
Power from 2.5V to 4.5V LDO or PMIC
SEO
Connect to GND
Connect to GND
Connect to V DD
Connect to GND
Connect to GND
Connect to GND
Connect to V DD
Connect to GND
EO
Connect to GND
Connect to GND
Connect to precision
32kHz clock source
Connect to rising-
edge reset signal
Connect to GND
Connect to GND
Connect to precision
32kHz clock source
Connect to rising-
edge reset signal
8
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17041EVKIT+ | 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 |
| MAX17041G+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 |
| MAX17041G+U | 功能描述:电池管理 1S/2S Fuel Cell 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 |
| MAX17041K | 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 |
| MAX17041X+ | 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 |
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