UCC2946TPWRQ1 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

UCC2946TPWRQ1
Manufacturer

TI
ChipWorker Part#

CW55803611
Category

Power Monitor
Package

TSSOP-8
Description

Processor Supervisor 1.235V 2.1V to 5.5V 8Pin TSSOP T/R
Documentation

Datasheet

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UCC2946TPWRQ1 Specifications

Attribute	Attribute Value

Part Number	UCC2946TPWRQ1
Manufacturer	TI
ChipWorker Part#	CW55803611
Category	Power Monitor
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	TSSOP-8
Supply Voltage (DC)	2.10V (min)
Supply Current	0.018 mA
Quiescent Current	12.0 µA
Threshold Voltage	Adjustable
Reset Threshold Voltage (Min)	1.17 V
Reset Threshold Voltage (Max)	1.26 V
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.1 V
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Size-Length	3.1 mm
Size-Width	4.4 mm
Size-Height	1.15 mm
Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The UCC2946 is designed to provide accurate microprocessor supervision, including reset and watchdog functions. During power up, the device asserts a reset signal RES with VDD as low as 1 V. The reset signal remains asserted until the VDD voltage rises and remains above the reset threshold for the reset period. Both reset threshold and reset period are programmable by the user.
The UCC2946 is also resistant to glitches on the VDD line. Once RES has been deasserted, any drops below the threshold voltage need to be of certain time duration and voltage magnitude to generate a reset signal. These values are shown in. An I/O line of the microprocessor may be tied to the watchdog input (WDI) for watchdog functions. If the I/O line is not toggled within a set watchdog period, programmable by the user, WDO is asserted. The watchdog function is disabled during reset conditions.
The UCC2946 is available in 8-pin TSSOP (PW) package to optimize board space.

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