TPS389020DSET Part Information

Details for TPS389020DSET by Texas Instruments

Semiconductors - ICs > Power Management ICs - PMIC > Supervisors & Monitors

Part Description

The TPS3890 is a precision voltage supervisor with low-quiescent current that monitors system voltages as low as 1.15 V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds. The TPS3890 family uses a precision reference to achieve 1% threshold accuracy. The reset delay time can be user-adjusted between 40 μs and 30 s by connecting the CT pin to an external capacitor. The TPS3890 has a very low quiescent current of 2.1 μA and is available in a small 1.5-mm × 1.5-mm package, making the device well-suited for battery-powered and space-constrained applications. The device is fully specified over a temperature range of –40°C to +125°C (TJ).

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Part Features

  • Fixed and Adjustable Threshold Voltages: u2013 Fixed Thresholds for Standard Rails: 1.2 V to 3.3 V u2013 Adjustable Down to 1.15 V
  • High Threshold Accuracy: 1% (max)
  • Manual Reset (MR) Input
  • Open-Drain RESET Output
  • Package: 1.5-mm u00d7 1.5-mm WSON
  • Power-On-Reset (POR) Generator with Adjustable Delay Time: 40 u03bcs to 30 s
  • Precision Hysteresis
  • Temperature Range: u201340u00b0C to +125u00b0C
  • Very Low Quiescent Current: 2.1 u03bcA (Typical)

Part Specifications

Threshold Voltage 1.91V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1.5V
Supply Voltage Max 5.5V
Reset Type Active-Low Open-Drain
Digital IC Case WSON
No. of Pins 6Pins
Delay Time 25µs
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • Low-quiescent current 1% accuracy supervisor with programmable delay | Texas Instruments

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