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参数资料
| 型号： | DS2790E+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/41页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE BATT 28TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 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 ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 管件 |
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DS2790 Programmable 1-Cell Li-Ion Fuel Gauge and Protector
SYSTEM INTERRUPTS
Multiple interrupt sources are available for quick response to internal and external events. The MAXQ20
architecture uses a single interrupt vector (IV), single interrupt-service routine (ISR) design. For maximum flexibility,
interrupts can be enabled globally, individually, or by module. When an interrupt condition occurs, its individual flag
is set, even if the interrupt source is disabled at the local, module, or global level. Interrupt flags must be cleared
within the firmware-interrupt routine to avoid repeated interrupts from the same source. Application software must
ensure a delay between the write to the flag and the RETI instruction to allow time for the interrupt hardware to
remove the internal interrupt condition. Asynchronous interrupt flags require a one-instruction delay and
synchronous interrupt flags require a two-instruction delay.
When an enabled interrupt is detected, execution jumps to a user-programmable interrupt vector location. The IV
register defaults to 0000h on reset or power-up, so if it is not changed to a different address, application firmware
must determine whether a jump to 0000h came from a reset or interrupt source.
Once control has been transferred to the ISR, the interrupt identification register (IIR) can be used to determine if a
system register or peripheral register was the source of the interrupt. The specified module can then be
interrogated for the specific interrupt source and software can take appropriate action. Interrupts are evaluated by
application code allowing the definition of a unique interrupt priority scheme for each application. Interrupt sources
are available from the Watchdog timer described in the MAXQ users guide , the TWSINT Register described in the
2-Wire Interface section, and the EINT Register as shown in Figure 6.
EINT Register
The EINT Register contains interrupts generated by the ADC, the timer-counter, the protection circuits, the general
purpose port pins and the serial-interface port pins. Their masks and their configuration bits, along with the RST pin
status and control, are present in the EIC and PAF registers of module 0.
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| DS2790E+ | 功能描述:IC FUEL GAUGE BATT 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
| DS2790E+T&R | 制造商:Maxim Integrated Products 功能描述:IC FUEL GAUGE BATT 28TSSOP |
| DS2790E+T&R | 功能描述:IC FUEL GAUGE BATT 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
| DS2790G | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable 1-Cell Li-Ion Fuel Gauge and Protector |
| DS2790G+ | 功能描述:IC FUEL GAUGE BATT 28-TDFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
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