NCP81231Buck Controller, USB Power Delivery and Type-C Applications | Voltage Regulators - DC DC Switching Controllers | 1 | NRND | The NCP81231 USB Power Delivery (PD) Controller is a synchronous step down controller optimized for USB-PD type C solutions. They are ideal for docking station, car chargers, desktop, and monitor applications. The NCP81231 utilizes an I2C interface that can interface to a uC to meet USB-PD timing, slew rate, and voltage requirements. The NCP81231 operates from 4.5V to 28V |
NCP81232Multi-Phase Controller with Dual Loop Capability, Configurable, DrMOS Compatible | Integrated Circuits (ICs) | 1 | Active | The NCP81232 can be configured as a single or dual output regulator intended to operate with DrMOS power stages. This IC can be set with up to 8 unique output configurations that offer the operate as a single output with operation from a single to quad phases or as a dual output device with phase combinations of 3+1, 2+2, 2+1, and 1+1. This controller offers differential current sense and voltage sense for greater accuracy. The device supports DCR current sense or can accommodate an IMON signal from the DrMOS. The parts offer protection against overcurrent, over/undervoltage, and overtemperature protection. |
| Integrated Circuits (ICs) | 1 | Obsolete | |
| Development Boards, Kits, Programmers | 3 | Active | |
NCP81243Multi-Phase Buck Controller for IMVP8 | PMIC | 1 | Active | The NCP81243 is a Multi-Phase buck solution is optimized for Intel IMVP8 compatible CPUs with user configurations of 3/2/1+ 2/1 phases, including an option to do 4+1. The controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurate regulated power for Desktop applications. The control system is based on Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing providing the fastest initial response to dynamic load events at reduced system cost. |
NCP81246Three-Rail Multi Phase Buck Controller for IMVP8 | Integrated Circuits (ICs) | 1 | Active | The NCP81246 is a 3 Rail Multi Phase Buck solution is optimized for Intel IMVP8 compatible CPUs. It contains a two-phase, and two single-phase rails supporting Core, GT and SA in the following configurations 2ph-1ph-1ph, 1ph-2ph-1ph and 1ph-1ph-1ph. The part is designed for Notebook and Ultrabook applications. The two-phase controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurately regulated power. The two single-phase controllers can be used for Core, GT or SA rails. Both make use of ON Semiconductor’s patented high performance RPM operation. RPM control maximizes transient response while allowing for smooth transitions between discontinuous frequency scaling operation and continuous mode full power operation. The single-phase rails have an ultra low offset current monitor amplifier with programmable offset compensation for ultra high accuracy current monitoring.The NCP81246 offers three internal MOSFET Drivers with a single external PWM signal |
NCP81253MOSFET Driver Compatible with Single-Phase IMVP8 Controllers | Power Management (PMIC) | 2 | Active | The NCP81253 is a high-performance dual MOSFET gate driver in a small 2 mm x 2 mm package, optimized to drive the gates of both high-side and low-side power MOSFETs in a synchronous buck converter. The driver outputs can be placed into a high-impedance state via the tri-state PWM and EN inputs. The NCP81253 comes packaged with an integrated boost diode to minimize the number of external components. A VCC UVLO function guarantees the outputs are low when the supply voltage is low. |
NCP81258MOSFET Driver, VR12 Compatible, Synchronous Buck | Gate Drivers | 1 | Active | The NCP81258 is a high−performance dual MOSFET gate driver in a small 2 mm x 2 mm package, optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. A zero−current detection feature allows for a high−efficiency solution even at light load conditions. VCC UVLOensures the MOSFETs are off when supply voltages are low. A bi−directional Enable pin provides a fault signal to the controller when a UVLO fault is detected. |
NCP81270Single-Phase Voltage Regulator for Computing Applications | DC DC Switching Controllers | 1 | Active | The NCP81270x is a high−performance, low−bias current, single−phase regulator with integrated power MOSFET driver. Operating in high switching frequency up to 600 kHz allows employing small size inductor and capacitors. The controller makes use of onsemi’s patented high performance RPM operation. RPM control maximizes transient response while allowing for smooth transitions between discontinuous−frequency−scaling operation and continuous−mode full−power operation. The NCP81270x has an ultra−low offset current monitor amplifier with programmable offset compensation for high−accuracy current monitoring. |
| Integrated Circuits (ICs) | 1 | Active | |