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BU4946FVE-TR

BU4946FVE-TR

BU4946FVE-TR

ROHM Semiconductor

2.4V5 Terminals 5-Pin BU4946 Voltage supervisor1 Channels Min 700mV Max 7V

SOT-23

BU4946FVE-TR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 9 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SOT-665
Number of Pins 5
Operating Temperature-40°C~125°C TA
PackagingTape & Reel (TR)
Published 2009
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 5
ECCN Code EAR99
Type Simple Reset/Power-On Reset
Subcategory Power Management Circuits
Max Power Dissipation210mW
Technology CMOS
Terminal Position DUAL
Terminal FormFLAT
Number of Functions 1
Supply Voltage 2.4V
Base Part Number BU4946
Output Push-Pull, Totem Pole
Pin Count5
Number of Channels 1
Max Supply Voltage7V
Min Supply Voltage700mV
Operating Supply Current 550nA
Max Supply Current 1.75μA
Adjustable Threshold NO
Quiescent Current550nA
Accuracy 1 %
Watchdog TimerNo
Reset Active High/Active Low
Voltage - Threshold 4.6V
Number of Voltages Monitored1
Min Reset Threshold Voltage 4.554V
Max Reset Threshold Voltage 4.646V
Threshold Voltage +4.6V
Undervoltage Threshold4.554V
Overvoltage Threshold4.646V
Height Seated (Max) 0.6mm
RoHS StatusROHS3 Compliant
In-Stock:3749 items

BU4946FVE-TR Product Details

BU4946FVE-TR Overview


As you can see, this power management is mounted through 5 terminals. This power ic is packaged in a way that looks like a Tape & Reel (TR). As a reference, this IC management includes 1 functions for your convenience. It is possible to find on this power management a series of 1 channels. Please find attached SOT-665 functions for your reference in this IC power. There are many benefits that this IC power shares with other Simple Reset/Power-On Reset products as well. During operation, the power ic is supplied with a voltage of 2.4V. IC management conducts in a 1-voltage supply. The power management is mounted by Surface Mount. Power Management Circuits is a subcategory of this PMIC chip. The total number of pins on this power management is 5. The pins of the power management system count 5. There should be a minimum voltage supply (Vsup) of 700mV for this PMIC. The supply voltage (Vsup) should not exceed 7V volts in this IC power. The recommended mounting type for IC management is Surface Mount. We recommend setting the supervisors to -40°C~125°C TA degrees. While in operation, this supervisor has a voltage output of Push-Pull, Totem Pole. As far as the supply current of the power management is concerned, it is 550nA. You can always use BU4946, the base supervisor number, to search for similar PMICs of the manufacturer. The power management can work with a maximum supply temperature of 1.75μA.

BU4946FVE-TR Features


Simple Reset/Power-On Reset type
Minimum supply voltage of 700mV
550nA operating supply current

BU4946FVE-TR Applications


There are a lot of ROHM Semiconductor BU4946FVE-TR Voltage Supervisors applications.

  • Detection of phase imbalance
  • Network equipment
  • Medical-specific isolation transformer
  • Battery cars
  • Microcontroller system
  • Leakage protection
  • Sensitive sensors
  • Urban rail transit weak current power monitoring
  • Insulation fault location system
  • Rechargeable batteries

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