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TPS3820-

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-Q1

具有 0.2 s 看门狗和手动复位功能的低电平有效、推挽式汽车电压监控器(复位 IC); • Qualified for automotive applications\n• AEC-Q100 Qualified With the Following Results: \n• Device temperature grade 1: –40°C to 125°C\n• Device HBM ESD classification level 2\n• Device CDM ESD classification level C4B\n \n• ESD protection exceeds 2000 V Per MIL-STD-883, Method 3015; using human body model (C = 100 pF, R = 1500 Ω)\n• Power-on reset generator with fixed delay time of 200 ms (TPS3823/4/5/8-xx-Q1) or 25 ms (TPS3820-xx-Q1) \n• Manual reset input (TPS3820/3/5/8-xx-Q1)\n• Reset output available in active-low (TPS3820/3/4/5-xx-Q1), Active-High (TPS3824/5-xx-Q1), and open drain (TPS3828-xx-Q1)\n• Supply voltage supervision range: 2.5 V, 3 V, 3.3 V, 5 V\n• Watchdog timer (TPS3820/3/4/8-xx-Q1)\n• Supply current of 15 µA (Typical)\n• 5-Pin SOT-23 package\n• Temperature range: −40°C to 125°C;

For all new designs with TPS3820-xx-Q1, use the TPS3820-xxQPDBVRQ1 part number. The TPS3820-xxQP is functionally equivalent and a replacement to the TPS3820xxQ. The TPS3820-xxQDBVRQ1 is not recommended for new designs (NRND).\n\nThe TPS382x-xx-Q1 family of supervisors provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power on, RESET asserts when the supply voltage VDD becomes greater than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active low as long as VDD remains below the threshold voltage, VIT−. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td, starts after VDD has risen above the threshold voltage VIT−. When the supply voltage drops below the threshold voltage VIT−, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage, VIT–, set by an internal voltage divider. The TPS382x-xx-Q1 family also offers watchdog time out options of 200 ms (TPS3820-xx-Q1) and 1.6 s (TPS3823/4/8-xx-Q1).

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-25DBVR

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-25DBVT

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-30DBVR

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-30DBVT

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-33

PROCESSOR SUPERVISORY CIRCUITS

TI1Texas Instruments

德州仪器美国德州仪器公司

TPS3820-33DBVR

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-33DBVR

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

TPS3820-33DBVR

PROCESSOR SUPERVISORY CIRCUITS

TITexas Instruments

德州仪器美国德州仪器公司

技术参数

  • Threshold voltage 1 (Typ) (V):

    2.93

  • Features:

    Manual reset capable

  • Reset threshold accuracy (%):

    2.4

  • Output driver type/reset output:

    Active-low

  • Time delay (ms):

    25

  • TI functional safety category:

    Functional Safety-Capable

  • Rating:

    Automotive

  • Watchdog timer WDI (sec):

    0.2

  • Operating temperature range (C):

    -40 to 125

供应商型号品牌批号封装库存备注价格
TI
11+
SOT23-5
8000
全新原装,绝对正品现货供应
询价
TI
23+
SOT23-5
1500
绝对全新原装!优势供货渠道!特价!请放心订购!
询价
TI
24+
5/SOT23
5500
优势产品!100%全新原装现货供应
询价
TI
17+
SOT23-5
6200
100%原装正品现货
询价
TI/TEXAS
23+
SOT
8931
询价
TI/BB
07+
SOT23-5
2417
主营TI/BB原装正品货绝对还
询价
TI
23+
SOT23-5
20000
原装正品,假一罚十
询价
TI
24+
SOT23-5P
2500
询价
TI
2020+
SOT23-5
50
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价
TI
24+
SOT
8
原装现货假一罚十
询价
更多TPS3820-供应商 更新时间2025-7-29 9:05:00