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TPS386000-Q1

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具有可編程延遲和看門狗計(jì)時(shí)器的汽車級(jí)四通道電源電壓監(jiān)控器

產(chǎn)品詳情

Rating Automotive Number of supplies monitored 3, 4 Threshold voltage 1 (typ) (V) 0.4, Adjustable Features Manual reset capable, Negative voltage monitoring, Timeout watchdog, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 0.5, 1 Iq (typ) (mA) 0.011, 0.012 Output driver type/reset output Active-low, Open-drain Time delay (ms) 20, 30, 300 Watchdog timer WDI (s) 0.6 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 6.5 Operating temperature range (°C) -40 to 125
Rating Automotive Number of supplies monitored 3, 4 Threshold voltage 1 (typ) (V) 0.4, Adjustable Features Manual reset capable, Negative voltage monitoring, Timeout watchdog, Undervoltage and overvoltage monitor, Watchdog timer Reset threshold accuracy (%) 0.5, 1 Iq (typ) (mA) 0.011, 0.012 Output driver type/reset output Active-low, Open-drain Time delay (ms) 20, 30, 300 Watchdog timer WDI (s) 0.6 Supply voltage (min) (V) 1.8 Supply voltage (max) (V) 6.5 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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頂層文檔 類型 標(biāo)題 格式選項(xiàng) 下載最新的英語版本 日期
* 數(shù)據(jù)表 TPS386000-Q1 Quad Supply Voltage Supervisors With Programmable Delay and Watchdog Timer 數(shù)據(jù)表 (Rev. B) PDF | HTML 2015年 12月 11日
應(yīng)用手冊(cè) 設(shè)計(jì)電壓監(jiān)控器的電阻分壓器輸入端時(shí)的 IQ與精度權(quán)衡因素 (Rev. B) PDF | HTML 英語版 (Rev.B) PDF | HTML 2021年 10月 25日
選擇指南 Automotive Supervisor and Reset IC Selection Guide 2016年 2月 22日
應(yīng)用手冊(cè) TPS386000-Q1 Pin FMEA 2013年 12月 5日

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評(píng)估板

TPS386000EVM-736 — TPS386000 四路電源電壓監(jiān)控器評(píng)估模塊

TPS386000EVM-736 是一塊完全組裝且經(jīng)過測(cè)試的電路板，用于評(píng)估 20 引腳 QFN 封裝的 TPS386000 四路電源電壓監(jiān)控器。TPS386000EVM-736 可以進(jìn)行定制，更改電阻值可監(jiān)控高于 0.4V 的電壓，包括使用 SENSE4H 和 SENSE4L 輸入進(jìn)行窗口監(jiān)控和正負(fù)監(jiān)控。TPS386000EVM-736 還可評(píng)估芯片的內(nèi)部看門狗定時(shí)器、手動(dòng)復(fù)位和時(shí)間延遲功能。
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