- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:监控器和复位 IC
- 功能描述:具有看门狗计时器的超低电源电流、电压监控器
- 点击这里打开及下载TPS3110的技术文档资料
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The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor-based systems.
During power-on, RESET is asserted low when the supply voltage (VDD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors VDD and keeps the RESET output low as long as VDD remains below the threshold voltage (VIT–). To ensure proper system reset, after VDD surpasses the threshold voltage, an internal timer delays the transition of the RESET signal from low to high for the specified time. When VDD drops below VIT–, the output transitions low again.
All the devices of this family have a fixed-sense threshold voltage (VIT–) set by an internal voltage divider.
The TPS3103 and TPS3106 devices have an active-low, open-drain RESET output and either an integrated power-fail input (PFI) or SENSE input with corresponding outputs for monitoring other voltages. The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages.
The product spectrum is designed for supply voltages of 0.9 V up to 3.6 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 125°C.
- Precision Supply Voltage Supervision Range: 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V
- High Trip-Point Accuracy: 0.75%
- Supply Current of 1.2 μA (Typical)
- RESET Defined With Input Voltages as Low as 0.4 V
- Power-On Reset Generator With a Delay Time of 130 ms
- Push/Pull or Open-Drain RESET Outputs
- Package Temperature Range: –40°C to 125°C
- Number of supplies monitored
- 2
- Threshold voltage 1 (Typ) (V)
- 0.86, 1.14, 1.43, 2.94
- Features
- Manual reset capable, Watchdog timer
- Reset threshold accuracy (%)
- 5
- Output driver type/reset output
- Active-low, Push-pull
- Time delay (ms)
- 130
- Rating
- Catalog
- Watchdog timer WDI (sec)
- 1.1
- Operating temperature range (C)
- -40 to 85
TPS3110的完整型号有:TPS3110E09DBVR、TPS3110E12DBVR、TPS3110E12DBVT、TPS3110E15DBVR、TPS3110E15DBVT、TPS3110K33DBVR、TPS3110K33DBVT,以下是这些产品的关键参数及官网采购报价:
TPS3110E09DBVR,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110E09DBVR的批量USD价格:1.278(1000+)
TPS3110E12DBVR,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110E12DBVR的批量USD价格:1.278(1000+)
TPS3110E12DBVT,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110E12DBVT的批量USD价格:1.534(1000+)
TPS3110E15DBVR,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110E15DBVR的批量USD价格:1.278(1000+)
TPS3110E15DBVT,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110E15DBVT的批量USD价格:1.534(1000+)
TPS3110K33DBVR,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110K33DBVR的批量USD价格:1.265(1000+)
TPS3110K33DBVT,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3110K33DBVT的批量USD价格:1.518(1000+)
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