TPS386000 - 具有可编程延迟和看门狗定时器的四路电源电压监控器

TPS386000是TI德州仪器公司的一款无产品，TPS386000是具有可编程延迟和看门狗定时器的四路电源电压监控器，本站介绍了TPS386000的封装应用图解、特点和优点、功能等，并给出了与TPS386000相关的TI元器件型号供参考。

TPS386000 - 具有可编程延迟和看门狗定时器的四路电源电压监控器 - 无 - 监控器和复位IC - 德州仪器

产品特性

Four Independent Voltage Supervisors
Channel 1:
- Adjustable Threshold Down to 0.4 V
- Manual Reset (MR) Input
Channels 2, 3:
- Adjustable Threshold Down to 0.4 V
Channel 4:
- Adjustable Threshold at Any Positive or Negative Voltage
- Window Comparator
Adjustable Delay Time: 1.4 ms to 10 s
Threshold Accuracy: 0.25% Typical
Very Low Quiescent Current: 11 μA Typical
Watchdog Timer With Dedicated Output
Well-Controlled Output During Power Up
TPS386000: Open-Drain RESETn and WDO
TPS386040: Push-Pull RESETn and WDO
Package: 4-mm × 4-mm, 20-Pin VQFN

产品应用

All DSP and Microcontroller Applications
All FPGA and ASIC Applications
Telecom and Wireless Infrastructure
Industrial Equipment
Analog Sequencing

产品说明

The TPS3860x0 family of supply voltage supervisors (SVSs) can monitor four power rails that are greater than 0.4 V and one power rail less than 0.4 V (including negative voltage) with a 0.25% (typical) threshold accuracy. Each of the four supervisory circuits (SVS-n) assert a RESETn or RESETn output signal when the SENSEm input voltage drops below the programmed threshold. With external resistors, the threshold of each SVS-n can be programmed (where n = 1, 2, 3, 4 and m = 1, 2, 3, 4L, 4H).

Each SVS-n has a programmable delay before releasing RESETn or RESETn. The delay time can be set independently for each SVS from 1.4 ms to 10 s through the CTn pin connection. Only SVS-1 has an active-low manual reset (MR) input; a logic-low input to MR asserts RESET1 or RESET1.

SVS-4 monitors the threshold window using two comparators. The extra comparator can be configured as a fifth SVS to monitor negative voltage with voltage reference output VREF.

The TPS3860x0 has a very low quiescent current of 11 μA (typical) and is available in a small, 4-mm x 4-mm, VQFN-20 package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS3860x0	VQFN (20)	4.00 mm × 4.00 mm

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