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TPS386000-Q1

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具有可编程延迟和看门狗计时器的汽车级四通道电源电压监控器

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数据表

TPS386000-Q1

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米6体育平台手机版_好二三四详情

Number of supplies monitored 3, 4 Threshold voltage 1 (typ) (V) 0.4 Features Manual reset capable, Negative voltage monitoring, Timeout watchdog, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 0.012 Output driver type/reset output Active-low, Open-drain Time delay (ms) 20, 300 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 6.5 Rating Automotive Watchdog timer WDI (s) 0.6 Operating temperature range (°C) -40 to 125
Number of supplies monitored 3, 4 Threshold voltage 1 (typ) (V) 0.4 Features Manual reset capable, Negative voltage monitoring, Timeout watchdog, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 0.012 Output driver type/reset output Active-low, Open-drain Time delay (ms) 20, 300 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 6.5 Rating Automotive Watchdog timer WDI (s) 0.6 Operating temperature range (°C) -40 to 125
VQFN (RGP) 20 16 mm² 4 x 4
  • 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
  • Four Complete SVS Modules on one Silicon
    Platform
  • Programmable Delay Time: 1.4 ms to 10 s
  • Very Low Quiescent Current: 12 µA Typical
  • Threshold Accuracy: 0.25% Typical
  • SVS-1: Manual Reset (MR) Input
  • SVS-1, 2, 3: Adjustable Threshold Down to 0.4 V
  • SVS-4:
    • Adjustable Threshold at Any Positive or
      Negative Voltage with VREF (1.2 V)
    • Window Comparator
  • Watchdog Timer with Dedicated Output
  • Well-Controlled RESETn Output During Power-Up
  • Open-Drain RESETn and WDO
  • Package: 4-mm × 4-mm, 20-pin VQFN
  • 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
  • Four Complete SVS Modules on one Silicon
    Platform
  • Programmable Delay Time: 1.4 ms to 10 s
  • Very Low Quiescent Current: 12 µA Typical
  • Threshold Accuracy: 0.25% Typical
  • SVS-1: Manual Reset (MR) Input
  • SVS-1, 2, 3: Adjustable Threshold Down to 0.4 V
  • SVS-4:
    • Adjustable Threshold at Any Positive or
      Negative Voltage with VREF (1.2 V)
    • Window Comparator
  • Watchdog Timer with Dedicated Output
  • Well-Controlled RESETn Output During Power-Up
  • Open-Drain RESETn and WDO
  • Package: 4-mm × 4-mm, 20-pin VQFN

The TPS386000-Q1 family of voltage supervisors 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 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 TPS386000-Q1 device has a very low quiescent current of 12 µA (typical) and is available in a small, 4-mm × 4-mm, VQFN-20 package.

The TPS386000-Q1 family of voltage supervisors 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 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 TPS386000-Q1 device has a very low quiescent current of 12 µA (typical) and is available in a small, 4-mm × 4-mm, VQFN-20 package.
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类型 标题 下载最新的英语版本 日期
* 数据表 TPS386000-Q1 Quad Supply Voltage Supervisors With Programmable Delay and Watchdog Timer 数据表 (Rev. B) PDF | HTML 2015年 12月 11日
应用手册 设计电压监控器的电阻分压器输入端时的 IQ与精度权衡因素 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2021年 10月 25日
选择指南 Automotive Supervisor and Reset IC Selection Guide 2016年 2月 22日
应用手册 TPS386000-Q1 Pin FMEA 2013年 12月 5日

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评估板

TPS386000EVM-736 — TPS386000 四路电源电压监控器评估模块

TPS386000EVM-736 是一块完全组装且经过测试的电路板，用于评估 20 引脚 QFN 封装的 TPS386000 四路电源电压监控器。TPS386000EVM-736 可以进行定制，更改电阻值可监控高于 0.4V 的电压，包括使用 SENSE4H 和 SENSE4L 输入进行窗口监控和正负监控。TPS386000EVM-736 还可评估芯片的内部看门狗定时器、手动复位和时间延迟功能。
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VQFN (RGP) 20 Ultra Librarian
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  • 引脚镀层/焊球材料
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