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TPS3106K33DBVR +BOM

Dual-channel, voltage supervisor, ultra-low supply current

Hersteller:

TI
Herstellerteil #:

TPS3106K33DBVR
Datenblatt:

TPS3106K33DBVR Datenblatt (PDF)
Programmable:

Not Verified
Type:

Simple Reset/Power-On Reset
Number Of Voltages Monitored:

1
Voltage - Threshold:

2.941V
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an TPS3106K33DBVR

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TPS3106K33DBVR Allgemeine Beschreibung

The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor-based systems.

During power-on, RESET is asserted low when the supply voltage (V_DD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors V_DD and keeps the RESET output low as long as V_DD remains below the threshold voltage (V_IT–). To ensure proper system reset, after V_DD surpasses the threshold voltage, an internal timer delays the transition of the RESET signal from low to high for the specified time. When V_DD drops below V_IT–, the output transitions low again.

All the devices of this family have a fixed-sense threshold voltage (V_IT–) set by an internal voltage divider.

The TPS3103 and TPS3106 devices have an active-low, open-drain RESET output and either an integrated power-fail input (PFI) or SENSE input with corresponding outputs for monitoring other voltages. The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages.

The product spectrum is designed for supply voltages of 0.9 V up to 3.6 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 125°C.

Hauptmerkmale

Precision Supply Voltage Supervision Range:
0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V
High Trip-Point Accuracy: 0.75%
Supply Current of 1.2 µA (Typical)
RESET Defined With Input Voltages as Low as 0.4 V
Power-On Reset Generator With a Delay Time of 130 ms
Push/Pull or Open-Drain RESET Outputs
Package Temperature Range: –40°C to 125°C

Anwendung

• Applications Using Low-Power DSPs,
Microcontrollers, or Microprocessors
• Portable and Battery-Powered Equipment
• Intelligent Instruments
• Wireless Communication Systems
• Industrial Equipment
• Notebook and Desktop Computers

TPS3106K33DBVR Typical Application Schematic

Spezifikationen

Category	Integrated Circuits (ICs)Power Management (PMIC)Supervisors	Series	-
Programmable	Not Verified	Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1	Voltage - Threshold	2.941V
Output	Open Drain or Open Collector	Reset	Active Low
Reset Timeout	65ms Minimum	Operating Temperature	-40°C ~ 85°C (TJ)
Mounting Type	Surface Mount	Base Product Number	TPS3106
Number of supplies monitored	2	Threshold voltage 1 (typ) (V)	0.9, 1.6, 3.3
Features	Manual reset capable, Separate VDD & sense, Undervoltage monitor only	Reset threshold accuracy (%)	5
Iq (typ) (mA)	0.0012	Output driver type/reset output	Active-low, Open-drain
Time delay (ms)	130	Supply voltage (min) (V)	0.9
Supply voltage (max) (V)	3.6	Rating	Catalog
Watchdog timer WDI (s)	None	Operating temperature range (°C)	-40 to 125

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