The PI2001 is a discrete high-speed Active ORing controller with similar functionality and feature set, for use with industry standard single or paralleled MOSFETs.
The P12002 is a high-speed Active ORing controller IC with a load disconnect feature that functions similar to the PI2122, but is designed for use with industry standard back-to-back N-channel MOSFETs.
The PI2003 controller is specifically optimized for use in -48 V redundant power architectures, and is suitable for systems requiring operation during input voltage transients up to 100 V for 100 ms. The low quiescent current of the PI2003 enables simple low-loss biasing directly from the -48V rail.
The PI2007 Cool-ORing® solution is a universal high-speed Active ORing controller IC designed for use with N-channel MOSFETs in redundant power system architectures. The PI2007 Cool-ORing controller enables an extremely low power loss solution with fast dynamic response to fault conditions, critical for high availability systems. The PI2007 controls single or parallel MOSFETs to address Active ORing applications protecting against power source failures. The PI2007 has an internal charge pump enabling an ideal solution in 12 V or 36-75 V bus high-side Active ORing applications.
The Cool-ORing PI2121 is a complete full-function Active ORing solutions with integrated high-speed ORing MOSFET controllers and very low on-state resistance MOSFETs that addresses a variety of redundant bus applications, providing very low power dissipation while achieving very fast dynamic response, typically within 160 ns, to system level power source fault conditions. The PI2121 is an 8 Volt, 24 Amp solution suitable for ≤5Vbus applications.
The PI2126 is a complete full-function Active ORing solution with a high-speed ORing MOSFET controller and a very low on-state resistance MOSFET designed for use in 12V Bus redundant power system
architectures. The PI2126 Cool-ORing solution is offered in an extremely small, thermally enhanced 5mm x 7mm LGA package and can be used in high side Active ORing applications. The PI2126 enables extremely low power
loss with fast dynamic response to fault conditions, critical for high availability systems.
The PI2127 Cool-ORing® is a complete full-function Active ORing solution with a high-speed ORing MOSFET controller and a very low on-state resistance MOSFET designed for use in redundant power system architectures. The PI2127 Cool-ORing solution is offered in an extremely small, thermally enhanced 7mm x 8mm LGA package and can be used in high side, medium voltage Active ORing applications. The PI2127 enables extremely low power loss with fast dynamic response to fault conditions, critical for high availability systems.
| Part No. | Function | Type | Vcc Rating | Current Rating | Current Limit |
| PI2001 | Active ORing | Controller | 4.5 – 13.2 V | NA | No |
| PI2002 | Active ORing & Load Disconnect | Controller | 4.5 – 13.2 V | NA | Yes |
| PI2003 | Active ORing | Controller | 8.5 – 9.5 V | NA | No |
| PI2007 | Active ORing | Controller | 7.15 – 11 V | NA | No |
| PI2121 | Active ORing | Integrated Controller & MOSFET | 5.5 V | 24 A | No |
| PI2126 | Active ORing | Integrated Controller & MOSFETs | 3 V | 12 A | No |
| PI2127 | Active ORing | Integrated Controller & MOSFET | NA | 12 A | No |
The PI2001 Cool-ORing® solution is a universal high-speed Active ORing controller IC designed for use with N-channel MOSFETs in redundant power system architectures. The PI2001 controller enables an extremely low power loss solution with fast dynamic response to fault conditions, critical for high availability systems. The PI2001 controls single or parallel MOSFETs to address Active ORing applications protecting against power source failures. The PI2001 can be used in either high-side or low-side Active ORing applications and a master / slave feature allows the paralleling of IC / MOSFET chipsets for high current Active ORing. The PI2001 provides an active low fault flag output to the system during excessive forward current, reverse current, light load, overvoltage, undervoltage and overtemperature fault conditions.
- Universal Active ORing Controller
- 10L TDFN / 3 mm x 3 mm,or 8LSOIC / 5 mm x 6 mm
- Yes
- 4.5V to 13.2V
- 100 V
- -40°C to +160°C
- 80 V
- 160 ns
- 6 mV
- 4 A
- Yes
- UV / OV / OC / OT
- 4 A gate discharge current
- Accurate MOSFET drain-to-source voltage sensing to indicate system level fault condition
- Fast dynamic response to power source failures, with 160 ns reverse current turn-off delay time
- Programmable under & overvoltage detection
- Over temperature fault detection
- Adjustable reverse current blanking timer
- 100 V operation in low side applications
- Master / Slave I/O for paralleling (TDFN only)
- Active low fault flag output
- PI2001 Data Sheet – Universal Active ORing Controller IC
- PI2001 Evaluation Board – Using 3 x 3 mm TDFN package & SO-8 MOSFET in high-side configuration
The PI2002 Cool-ORing® solution is a high-speed Active ORing controller IC with a load disconnect feature designed for use with back-to-back N-channel MOSFETs in redundant power system architectures. The PI2002 can also be used with a single MOSFET as a low side disconnect switch. The PI2002 Cool-ORing controller enables an extremely low power loss solution with fast dynamic response to fault conditions, critical for high availability systems. The PI2002 controls back-to-back MOSFETs providing true bi-directional switch capabilities to protect against both power source and load fault conditions.
- Active ORing Controllerwith Load Disconnect
- 10L TDFN / 3 mm x 3 mm,or 8L SOIC / 5 mm x 6 mm
- Yes
- 4.5 V to 13.2 V
- -40°C o +160°C
- 8 V
- 120 ns
- 6 mV
- 150 ns
- 4 A
- Yes
- Yes
- UV / OV / OC / OT
- Power source & load fault protection
- Fast Dynamic Response, with 120ns reverse & 150ns forward over-current turn-off delay time
- 4 A gate discharge current
- Accurate drain-to-drain voltage sensing to indicate system level fault conditions
- Programmable under & over-voltage detection
- Over temperature fault detection
- Programmable over current gate off time
- Programmable short circuit load detection function
- Active low fault flag output
Data Sheets
- PI2002 Data Sheet – Active ORing Controller IC with load disconnect features
- PI2002 Evaluation Board – Evaluation board featuring the Cool-ORing PI2002 Active ORing controller
The PI2003 Cool-ORing® solution is a universal high-speed Active ORing controller IC designed for use with N-channel MOSFETs and is optimized for –48V redundant power system architectures. The PI2003 Cool-ORing controller enables an extremely low power loss solution with fast dynamic response to fault conditions, critical for high availability systems. The PI2003 controls single or parallel MOSFETs to address Active ORing applications protecting against power source failures. The PI2003 is optimized for low-side –48V Active ORing applications. An internal VC shunt regulator enables biasing of the controller directly from –48 V (GND).
- Universal Active ORing Controller
- 10L TDFN / 3 mm x 3 mm,or 8L SOIC / 5 mm x 6 mm
- Yes
- 8.5 V to 9.5 V
- 100V
- -40°C to +160°C
- 80 V
- 160 ns
- 6 mV
- 4 A
- UV / OV / OC / OT
- Optimized for –48 V ORing applications
- 4 A gate discharge current
- Fast Dynamic Response to Power Source failures, with 160 ns reverse current turn-off delay time
- Accurate MOSFET drain-to-source voltage sensing to indicate system level fault conditions
- Low quiescent current enables biasing directly from –48 V (GND)
- 100 V for 100 ms operation in low side applications
- Active low fault flag output
- PI2003 Data Sheet – Universal Active ORIng Controller IC
- PI2003 Evaluation Board – Evaluation board featuring the Cool-ORing PI2003 Active ORing controller
The PI2007 Cool-ORing® solution is a universal high-speed Active ORing controller IC designed for use with N-channel MOSFETs in redundant power system architectures. The PI2007 Cool-ORing controller enables an extremely low power loss solution with fast dynamic response to fault conditions, critical for high availability systems. The PI2007 controls single or parallel MOSFETs to address Active ORing applications protecting against power source failures. The PI2007 has an internal charge pump enabling an ideal solution in 12 V or 36-75 V bus high-side Active ORing applications.
The gate drive output turns the MOSFET on in normal steady state operation, while achieving high-speed turn-off during input power source fault conditions, that causes reverse current flow. The controller auto-resets once the fault clears. The MOSFET drain-to-source voltage is monitored to detect reverse current flow. The PI2007 has an internal charge pump to drive the gate of a high side N-Channel MOSFET above the VC input. There is an internal shunt regulator at the VC input for high voltage applications.
- Universal Active ORing Controller
- 10L TDFN / 3 mm x 3 mm
- Yes
- 100V
- -40°C to +160°C
- 80 V
- 80 ns
- 6 mV
- 4 A
- UV / OV / OC / OT
- For both 48 V and 12 V High Side ORing Applications
- Internal charge pump
- Fast dynamic response to power source failure, with 80 ns reverse current turn off delay time.
- 4 A gate discharge current
- Forward Over Current Fault indication
- Accurate MOSFET drain-to-source voltage sensing
- Internal charge pump
- FET check at initial power-up
- 100 V for 100 ms, operation in high side application
- VC under voltage fault detection
- PI2007 Data Sheet – Universal High Side Active ORing Controller IC
- PI2007 48 V Evaluation Board – Evaluation board featuring the Cool-ORing PI2007 48 V Bus High Side Active ORing
- PI2007 12 V Evaluation Board – Evaluation board featuring the Cool-ORing PI2007 12 V/15 A High Side Active ORing
The Cool-ORing® PI2121 is a complete full-function Active ORing solution with a high-speed ORing MOSFET controller and a very low on-state resistance (1.5 mΩ) MOSFET designed for use in redundant power system architectures. The PI2121 Cool-ORing solution is offered in an extremely small, thermally enhanced 5 mm x 7 mm LGA package and can be used in low voltage high side Active ORing applications. The PI2121 enables extremely low power loss with fast dynamic response to fault conditions, critical for high availability systems. A master / slave feature allows the paralleling of PI2121 solutions for high current Active ORing requirements. The PI2121 provides an active low fault flag output to the system during excessive forward current, reverse current, light load, overvoltage, undervoltage,and overtemperature fault conditions.
- Full-Function Active ORing Solution
- LGA SiP / 5mm x 7mm
- Yes
- 8 V
- 24 A
- 1.5 mΩ
- 4.5 V to 13.2 V
- -40°C to +160°C
- 5 V
- 160 ns
- 6mV
- Yes
- UV / OV / OC / OT
- Integrated high performance 24 A, 1.5 mΩ MOSFET
- Very-small, high density fully-optimized solution providing simple PCB layout.
- Fast dynamic response to power source failures, with 160 ns reverse current turn-off delay time
- Accurate sensing capability to indicate system fault conditions
- Programmable undervoltage & overvoltage functions
- Over temperature fault detection
- Adjustable reverse current blanking timer
- Master / Slave I/O for paralleling
- Active low fault flag output
- PI2121 Data Sheet – 8 Volt, 24 Amp full-function Active ORing solution
- PI2121 Evaluation Board – Configured for a high-side ground referenced application solution
The PI2126 is a complete full-function Active ORing solution with a high-speed ORing MOSFET controller and a very low on-state resistance MOSFET designed for use in 12V Bus redundant power system
architectures. The PI2126 Cool-ORing solution is offered in an extremely small, thermally enhanced 5mm x 7mm LGA package and can be used in high side Active ORing applications. The PI2126 enables extremely low power
loss with fast dynamic response to fault conditions, critical for high availability systems.
The PI2126, with its 4.5m Ω internal MOSFET provides very high efficiency and low power loss during steady state operation. The PI2126 monitors the current direction in the MOSFET and will respond very fast to a reverse current due to input power source fault condition to prevent undesired high current build-up in the system. The PI2126 provides an active low fault flag output to the system during reverse current, excessive
forward over-current and UVLO fault conditions.
- Full-Function Active ORing Solution
- LGA SiP / 5 mm x 7 mm
- Yes
- 30 V
- 12 A
- 4.5 mΩ
- 8.5 V to 10.5 V
- -40°C to +140°C
- 12 V
- 90 ns
- 6 mV
- No
- –
- Integrated high performance 12 A, 4.5 mΩ MOSFET
- Very-small, high density fully-optimized solution providing simple PCB layout.
- Fast dynamic response to power source failures, with 90 ns reverse current turn-off delay time
- Accurate sensing capability to indicate system fault conditions
- Internal charge pump
- Fault Status output
- PI2126 Data Sheet – 30 Volt, 12 Amp full-function Active ORing solution
The PI2127 Cool-ORing® is a complete full-function Active ORing solution with a high-speed ORing MOSFET controller and a very low on-state resistance MOSFET designed for use in redundant power system architectures. The PI2127 Cool-ORing solution is offered in an extremely small, thermally enhanced 7mm x 8mm LGA package and can be used in high side, medium voltage Active ORing applications. The PI2127 enables extremely low power loss with fast dynamic response to fault conditions, critical for high availability systems.
The PI2127, with its 8.5mΩ internal MOSFET provides very high efficiency and low power loss during steady state operation, while achieving highspeed turn-off of the internal MOSFET during input power source fault conditions that cause reverse current flow. The PI2127 provides an active low fault flag output to the system during reverse current, excessive forward over-current and UVLO fault conditions.
- Full-Function Active ORing Solution
- LGA SiP / 7mm x 8mm
- Yes
- 60 V
- 12 A
- 8.5 mΩ
- -40°C to +150°C
- 55 V
- 80 ns
- 6mV
- UV / OV / OC / OT
- Integrated High Performance 12A, 8.5mΩ MOSFET
- Very small, high density fully-optimized solution with simple PCB layout
- Fast dynamic response to power source failures, with 80ns reverse current turn-off delay time
- Accurate sensing capability to indicate system fault conditions (-6mV reverse threshold)
- Internal charge pump
- Active low fault flag output
- PI2127 Data Sheet – 60 Volt, 12 Amp full-function Active ORing solution
- PI2127 Evaluation Board – Configured for a high-side ground referenced application solution