Richtek USA Inc. RT9712AGS
- Part Number:
- RT9712AGS
- Manufacturer:
- Richtek USA Inc.
- Ventron No:
- 3264634-RT9712AGS
- Description:
- IC PWR SWITCH USB 1.5A 8SOP
- Datasheet:
- RT9712AGS
Description
The RT9712 power-distribution switches are designed for applications with heavy capacitive loads and short-circuit situations. They incorporate two 90mΩ N-MOSFET power switches for power distribution systems requiring multiple power switches in a single package.
During switching, an internal charge pump provides the gate drive to control power-switch rise and fall times, minimizing current surges. The charge pump operates with supply voltages as low as 2.7V and requires no external components.
If the output load exceeds the current-limit threshold or a short-circuit occurs, the RT9712 series pulls the overcurrent (FLGX) logic output low by switching into constant-current mode to maintain the output current at a safe level.
A thermal protection circuit turns off the switch to prevent damage when power dissipation increases due to continuous heavy overloads or short-circuits, and automatically recovers when the device has sufficiently cooled down.
The RT9712A/B are designed for a current limit of typically 2A, while the RT9712C/D are designed for a current limit of typically 1.5A. Internal circuitry controls the switch to remain off until a valid input voltage is presented.
Features
90mΩ N-MOSFET Switch
Operating Voltage Range: 2.7V to 5.5V
Reverse Blocking Current
Under Voltage Lockout
Deglitched Fault Report (FLGX)
Thermal Protection with Foldback
Over Current Protection
Short Circuit Protection
UL Approved-E219878 L
Nemko Approved-NO49352
RoHS Compliant and Halogen Free
Applications
USB Peripherals
Notebook PCs
The RT9712 power-distribution switches are designed for applications with heavy capacitive loads and short-circuit situations. They incorporate two 90mΩ N-MOSFET power switches for power distribution systems requiring multiple power switches in a single package.
During switching, an internal charge pump provides the gate drive to control power-switch rise and fall times, minimizing current surges. The charge pump operates with supply voltages as low as 2.7V and requires no external components.
If the output load exceeds the current-limit threshold or a short-circuit occurs, the RT9712 series pulls the overcurrent (FLGX) logic output low by switching into constant-current mode to maintain the output current at a safe level.
A thermal protection circuit turns off the switch to prevent damage when power dissipation increases due to continuous heavy overloads or short-circuits, and automatically recovers when the device has sufficiently cooled down.
The RT9712A/B are designed for a current limit of typically 2A, while the RT9712C/D are designed for a current limit of typically 1.5A. Internal circuitry controls the switch to remain off until a valid input voltage is presented.
Features
90mΩ N-MOSFET Switch
Operating Voltage Range: 2.7V to 5.5V
Reverse Blocking Current
Under Voltage Lockout
Deglitched Fault Report (FLGX)
Thermal Protection with Foldback
Over Current Protection
Short Circuit Protection
UL Approved-E219878 L
Nemko Approved-NO49352
RoHS Compliant and Halogen Free
Applications
USB Peripherals
Notebook PCs
Richtek USA Inc. RT9712AGS technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. RT9712AGS.
- Factory Lead Time18 Weeks
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case8-SOIC (0.154, 3.90mm Width)
- Number of Pins8
- Operating Temperature-40°C~85°C TA
- PackagingTape & Reel (TR)
- Published2006
- FeatureStatus Flag
- Part StatusActive
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Number of Terminations8
- ECCN CodeEAR99
- Resistance90mOhm
- SubcategoryPeripheral Drivers
- Terminal PositionDUAL
- Terminal FormGULL WING
- Supply Voltage5V
- Number of Outputs2
- Output TypeN-Channel
- Max Output Current1.5A
- Power Supplies5V
- InterfaceOn/Off
- Output ConfigurationHigh Side
- Power Dissipation469mW
- Output Current1.5A
- Voltage - Supply (Vcc/Vdd)Not Required
- Input TypeNon-Inverting
- Switch TypeGeneral Purpose
- Ratio - Input:Output1:1
- Voltage - Load2.7V~5.5V
- Driver Number of Bits2
- Fault ProtectionCurrent Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Rds On (Typ)90m Ω
- Radiation HardeningNo
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
The three parts on the right have similar specifications to RT9712AGS.
-
ImagePart NumberManufacturerFactory Lead TimeMountMounting TypePackage / CaseNumber of PinsOperating TemperaturePackagingPublishedFeaturePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeResistanceSubcategoryTerminal PositionTerminal FormSupply VoltageNumber of OutputsOutput TypeMax Output CurrentPower SuppliesInterfaceOutput ConfigurationPower DissipationOutput CurrentVoltage - Supply (Vcc/Vdd)Input TypeSwitch TypeRatio - Input:OutputVoltage - LoadDriver Number of BitsFault ProtectionRds On (Typ)Radiation HardeningREACH SVHCRoHS StatusSurface MountMax Power DissipationQualification StatusLead FreeView Compare
-
RT9712AGS18 WeeksSurface MountSurface Mount8-SOIC (0.154, 3.90mm Width)8-40°C~85°C TATape & Reel (TR)2006Status FlagActive3 (168 Hours)8EAR9990mOhmPeripheral DriversDUALGULL WING5V2N-Channel1.5A5VOn/OffHigh Side469mW1.5ANot RequiredNon-InvertingGeneral Purpose1:12.7V~5.5V2Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO90m ΩNoNo SVHCROHS3 Compliant-----
-
18 Weeks-Surface Mount8-SOIC (0.154, 3.90mm Width)8-40°C~85°C TATape & Reel (TR)2012Status FlagActive3 (168 Hours)8EAR9990mOhmPeripheral DriversDUALGULL WING5V2N-Channel1.1A5VOn/OffHigh Side--Not RequiredNon-InvertingGeneral Purpose1:12.7V~5.5V2Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO90m Ω-UnknownROHS3 CompliantYES469mWNot Qualified-
-
18 Weeks-Surface Mount8-SOIC (0.154, 3.90mm Width)--40°C~125°C TJTape & Reel (TR)2011Status FlagActive3 (168 Hours)-------1N-Channel1.5A-On/OffHigh Side--Not RequiredNon-InvertingUSB Switch1:12.5V~5.5V-Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO90m Ω--ROHS3 Compliant----
-
18 Weeks-Surface MountSC-74A, SOT-7535-40°C~125°C TJTape & Reel (TR)2011Status FlagActive3 (168 Hours)-EAR99100mOhm----1N-Channel500mA-On/OffHigh Side--Not RequiredNon-InvertingUSB Switch1:12V~5.5V-Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO100m Ω-UnknownROHS3 Compliant-400mW-Lead Free
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