TPS386000-Q1 - 具有可编程延迟和看门狗定时器的汽车类四路电源电压监控器

TPS386000-Q1是TI德州仪器公司的一款无产品，TPS386000-Q1是具有可编程延迟和看门狗定时器的汽车类四路电源电压监控器，本站介绍了TPS386000-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS386000-Q1相关的TI元器件型号供参考。

TPS386000-Q1 - 具有可编程延迟和看门狗定时器的汽车类四路电源电压监控器 - 无 - 监控器和复位IC - 德州仪器

产品描述

The TPS386000-Q1 family of voltage supervisors can monitor four power rails that are greater than 0.4V and one power rail less than 0.4V (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 = 1, 2, 3, 4 and = 1, 2, 3, 4L, 4H).

Each SVS-n has a programmable delay before releasing RESETn or RESETn, and the delay time can be set from 1.4ms to 10s 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 TPS386000-Q1 has a very low quiescent current of 12µA (typical) and is available in a small, 4mm × 4mm, QFN-20 package.

产品特性

Qualified for Automotive Applications
AEC Q100 Test Guidance With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C4B
4 Complete SVS Modules on 1 Silicon Platform
Programmable Delay Time: 1.4ms to 10s
Very Low Quiescent Current: 12µA typ
Threshold Accuracy: 0.25% typ
SVS-1: Manual Reset (MR) Input
SVS-1,2,3: Adjustable Threshold Down to 0.4V
SVS-4: Adjustable Threshold at Any Positive/Negative Voltage with VREF (1.2V)
SVS-4: Window Comparator
Watchdog Timer with Dedicated Output
Well-Controlled RESETn Output During Power-Up
Open-Drain RESETn and WDO
Package: 4mm × 4mm, 20-pin QFN

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