See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

PWP | 28

Temp:

Q (-40 to 125)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS7B6850QPWPRQ1


TPS7B68-Q1 500-mA 40-V High-Voltage Ultralow Quiescent-Current Watchdog LDO

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1 - 9 $ 3.14
10 - 24 $ 2.84
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100 - 249 $ 2.28
250 - 499 $ 2.06
500 - 749 $ 1.70
750 - 999 $ 1.41
1000 - 9999 $ 1.15

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Texas Instruments TPS7B6850QPWPRQ1

In automotive microcontroller or microprocessor power-supply applications, the watchdog is used to monitor the microcontroller working status to prevent software runaway. It is necessary for the watchdog to be independent of the microcontroller in a reliable system.

The TPS7B68xx-Q1 device is a family of 500-mA watchdog LDOs designed for an operating voltage up to 40 V, with typical quiescent current of only 19 µA at light load. The devices integrate a programmable function for selecting a window or standard watchdog, with an external resistor to set the watchdog time within 9% accuracy.

The PG pin on the TPS7B68xx-Q1 devices indicate when the output voltage is stable and in regulation. The power-good delay period and power-good threshold can be adjusted by external components. The devices also feature an integrated short-circuit and overcurrent protection. The combination of such features makes these devices particularly flexible and suitable to supply microcontroller systems in automotive applications.

For all available packages, see the orderable addendum at the end of the data sheet. View datasheet
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