TPS389012 Series
Automotive low-quiescent current 1% accuracy supervisor with programmable delay
Manufacturer: Texas Instruments
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Key Features
• Qualified for Automotive ApplicationsAEC-Q100 Qualified With the Following Results:Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature RangeDevice HBM ESD Classification Level 2Device CDM ESD Classification Level C4BPower-On-Reset (POR) Generator with Adjustable Delay Time: 25 µs to 30 sVery Low Supply Current: 2.1 µA (Typical)High Threshold Accuracy: 1% (max)Precision HysteresisFixed and Adjustable Threshold Voltages:Fixed Thresholds for Standard Rails:1.2 V to 5 VAdjustable Down to 1.15 VManual Reset (MR) InputOpen-DrainRESETOutputTemperature Range: –40°C to +125°CPackage: 1.5-mm × 1.5-mm WSONQualified for Automotive ApplicationsAEC-Q100 Qualified With the Following Results:Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature RangeDevice HBM ESD Classification Level 2Device CDM ESD Classification Level C4BPower-On-Reset (POR) Generator with Adjustable Delay Time: 25 µs to 30 sVery Low Supply Current: 2.1 µA (Typical)High Threshold Accuracy: 1% (max)Precision HysteresisFixed and Adjustable Threshold Voltages:Fixed Thresholds for Standard Rails:1.2 V to 5 VAdjustable Down to 1.15 VManual Reset (MR) InputOpen-DrainRESETOutputTemperature Range: –40°C to +125°CPackage: 1.5-mm × 1.5-mm WSON
Description
AI
The TPS3890-Q1 is a precision voltage supervisor with low-quiescent current that monitors system voltages as low as 1.15 V, asserting an open-drainRESETsignal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. TheRESEToutput remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds. The TPS3890-Q1 family uses a precision reference to achieve 1% threshold accuracy. The reset delay time can be user-adjusted between 25 µs and 30 s by connecting the CT pin to an external capacitor. The TPS3890-Q1 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).
The TPS3890-Q1 is a precision voltage supervisor with low-quiescent current that monitors system voltages as low as 1.15 V, asserting an open-drainRESETsignal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. TheRESEToutput remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds. The TPS3890-Q1 family uses a precision reference to achieve 1% threshold accuracy. The reset delay time can be user-adjusted between 25 µs and 30 s by connecting the CT pin to an external capacitor. The TPS3890-Q1 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).