PM67664-/6-phase VR12.5 digital multiphase controller with PMBus™ | Special Purpose Regulators | 2 | Obsolete | The PM6764/66 is a high performance digital controller designed to power Intel’s VR12.5 processors (PM6766) and memories (PM6764): all required parameters are programmable through a PMBus™ interface.
The device utilizes digital technology to implement all control and power management functions to provide maximum flexibility and performance. The NVM is embedded to store custom configurations.
The PM6764/66 device features up to 4/6-phase programmable operation. The PM6764/66 supports power state transitions featuring VFDE, and programmable DPM maintaining the best efficiency over all loading conditions without compromising transient response. The device assures fast and independent protection against load overcurrent, under/overvoltage and feedback disconnections. The device is available in VFQFPN28 4 x 4 mm (PM6764) and VFQFPN40 5 x 5 mm (PM6766) packages. |
| Power Over Ethernet (PoE) Controllers | 2 | Obsolete | |
| Integrated Circuits (ICs) | 2 | Obsolete | |
PM8803High-efficiency, IEEE 802.3at compliant integrated PoE-PD interface and PWM controller | Integrated Circuits (ICs) | 2 | Active | The PM8803 integrates a Power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices. The PoE/PoE+ interface includes all functions required by the IEEE 802.3at as well as detection, classification, undervoltage lockout (UVLO) and inrush current limitation.
The PM8803 specifically performs IEEE802.3at Layer 1 hardware classification, providing the system with an indication of Type 2 PSE successful detection.
The PM8803 has been designed to work with power either from the Ethernet cable or from an external power source such as a wall adapter, ensuring the priority of the auxiliary source over the PoE. The DC-DC section of the PM8803 features a programmable oscillator frequency, an adjustable slope compensation, dual complementary low-side drivers, programmable dead time and an internal temperature sensor.
The PM8803 targets high-efficiency conversion under all load conditions supporting flyback, forward, forward with active clamp converters and synchronous rectification. |
| Integrated Circuits (ICs) | 1 | Active | |
| Gate Drivers | 3 | Active | |
| Integrated Circuits (ICs) | 1 | Active | The PM8841 is a high frequency single channel low-side MOSFET driver specifically designed to work with digital power conversion microcontrollers, such as the STMicroelectronics STLUX™ family of products.
The PM8841 output can sink 1 A and source 0.8 A.
The input levels of the driver are derived by the voltage present at the IN_TH pin (between 2 V and 5.5 V). This pin is typically connected at the same voltage of the microcontroller supply voltage.
The PM8841 device includes both input and output pull-down resistors.
UVLO circuitry for input and output stages is present preventing the IC from driving the external MOSFET in unsafe condition. |
PM88511A Low Side Gate Driver with configurable asymmetric sink/source | Power Management (PMIC) | 1 | Active | The PM8851 device is a high frequency single channel low-side MOSFET driver specifically designed to work with digital power conversion microcontrollers, such as the STMicroelectronics STLUX™ family of products.
The PM8851 has complementary output pins to differentiate sink and source driving with a current capability of respectively 1 A and 0.8 A.
The input levels of the driver are derived by the voltage present at the IN_TH pin (between 2 V and 5.5 V). This pin is typically connected at the same voltage of the microcontroller supply voltage.
The PM8851 includes both input and output pull-down resistors.
UVLO circuitry for input and output stages is present preventing the IC from driving external MOSFET in unsafe condition. |
| Power Management (PMIC) | 1 | Obsolete | |
PM8903A3 A step-down monolithic switching regulator | Integrated Circuits (ICs) | 1 | LTB | The PM8903A is a high efficiency monolithic step-down switching regulator designed to deliver up to 3 A continuous current. The IC operates from 2.8 V to 6 V input voltage (VIN).
The PM8903A features low-resistance integrated nMOS and proprietary pulse-skipping mode for optimum efficiency over all the loading range.
The voltage mode control loop allows the widest range of output filters. Current sense is internally thermally compensated for optimum precision.
The integrated 0.6 V reference allows the regulation of output voltages with ±1% accuracy over temperature variations. Switching frequency is typically set to 1.1 MHz and can be programmed to 0.8 MHz or 1.0 MHz. Out of phase synchronization allows the reduction of input RMS current.
The PM8903A provides precise dual-threshold overcurrent protection as well as over/undervoltage and overtemperature protection. PGOOD output easily provides real-time information on the output voltage.
The PM8903A is available in VFQFPN16 3 x 3 mm. |
