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Hybrid, electric & powertrain systems

Pump

Products and reference designs
Block diagram

Pump

Block diagram

Overview

Fluid or fuel control pumps are typically used in automotive engine management systems based on the type of powertrain required. Depending on both the type of system and load, these actuators are in open loop or closed loop, complete with precise control.

Block diagram

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Pump

V SENSE V SENSE Wired interface Wired interface CAN/LIN CAN/LIN 12V 12V Non-isolated DC/DC power supply Non-isolated DC/DC power supply DC/DC DC/DC 48V (alternatively 12V without isolation) 48V (alternatively 12V without isolation) Input power protection Input power protection Reverse polarity protection Reverse polarity protection Digital processing Digital processing CAN CAN MCU core MCU core PWM PWM GPIOs GPIOs ADC ADC M M Pos. Pos. Current and voltage sense Current and voltage sense ADC ADC Vref Vref Amp Amp Rotor position sensing Rotor position sensing Position sensing Position sensing Galvanic isolation Galvanic isolation Optional position sensing Optional position sensing Safety and glue logic Safety and glue logic To loads To loads Self-diagnostics/monitoring Self-diagnostics/monitoring Temperature sensor Temperaturesensor Minor auxiliary power supply Minor auxiliary power supply DC/DC (LDO) DC/DC (LDO) I SENSE I SENSE Alternatively to the MCU Alternatively to the MCU Signal isolation Signal isolation D I G DIG I S O ISO Isolated DC/DC power supply Isolated DC/DC power supply DC/DC DC/DC DC/DC DC/DC Power stage Power stage Half bridge Half bridge LS driver LS driver L O G I C LOGIC HS driver HS driver

Technical documentation

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Type Title Date
White paper 半導體如何提升汽車燃燒引擎效率 31 Jan 2020
White paper Bridging 12 V and 48 V in dual-battery automotive systems 21 Nov 2018
White paper Driving the green revolution in transportation 03 Oct 2016

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