Features ships with required tools accessories other tools blog posts discussions technical docsdata sheetvn7010aje highside driver with multisense. A low voltage, v in0, will disable device operation, while a high voltage, v 1, will enable device operation. A low side npn current sink can do that in a controlled way and independent of the high side voltage as long as it doesnt exceed the npns voltage capability. Fault conditions such as overload, overtemperature or short to vcc are reported via the current sense pin. Tc4428a low input threshold and enable low input threshold and. The device incorporates advanced protection features such as active inrush current management, overtemperature shutdown with automatic restart and an overvoltage active clamp. The lm9061 family consists of chargepump devices which provides the gate drive to an external power mosfet of any size configured as a highside driver or switch. Pi2061 high side high voltage load disconnect switch. Nevertheless for high current and high temperature the device may switch off for a lower current due to the overtemperature protection. The lt1910is a high side gate driver that allows the use of low cost nchannel power. Specifically designed to provide pulsebypulse current limiting for switchmode power supply systems, but many other application are also feasible. Vn7007alh high side driver with current sense analog. Fullrange high and low side current sensing figure 3 bidirectional current sensed in a bridge driven load, or uni directional high side connection with a supply side switch. Double channel smart high side driver with multisense analog feedback.
Read about evaluation board for vnd7020aj highside driver on. The device will latch off in case of overload or thermal shutdown. Quad channel highside driver with currentsense analog. Real time diagnostic is available through the spi bus openload, output short to vcc, overtemperature, communication error, power limitation or latch off. Single switch operated, high current high side switch. An105 current sense circuit collection making sense of. The ncv84140 is a fully protected single channel high side driver that can be used to switch a wide variety of loads, such as bulbs, solenoids, and other actuators.
The tpd7104af is a singleoutput nchannel power mosfet gate driver with a charge pump for highside switch applications and it can realize a high current load switch with external discrete nchannel mosfets. Datasheetvnq7003syquadchannel highside driver with 16. An optional second resistor transforms this output current into an output voltage with an overall voltage gain set by the ratio of the two resistors. To first approximation, the current it will sink is just a function of r1, and is independent of the pwr voltage. Current sense high side switch features suitable for 24v systems.
Single channel smart highside driver with multisense analog feedback. The max4172 is a lowcost, precision, highside currentsense amplifier for portable pcs, telephones, and other systems where batterydc powerline monitoring is critical. The device detects openload in offstate conditions. Double channel highside driver with multisense analog. C4b withstands 60v supply transients overvoltage shutoff with vcc 30 v lossless overcurrent protection latchoff current sense resistor is not required minimizes power loss with high current loads. Lm9061 and lm9061q1 highside protection controller. Delay 8 o a capacitor on this pin to ground will provide a delay time between when the protection comparator detects excessive vgs across the mosfet and when the gate drive circuitry is latchedoff. This allows a nchannel mosfet to be used as a highside switch. Mosfet of any size configured as a highside driver. Highside driver with multisense analog feedback for. Vipower m07 series highside drivers stmicro digikey. Getting ntype performance out of ptype fets has meant.
Highside switches can safely drive high currents into complex resistive, inductive and capacitive grounded loads in compliance with the harsh automotive environment. Quad channel smart highside driver with multisense analog feedback. Output current limitation protects the device in an over load condition. Lm9061 and lm9061q1 highside protection controller 1 1 features. The ir2127 and ir2128 are both high side drivers ir2127active high input ir2128 active low input, with a lower output drive 200ma source420ma sink, and a more basic current sensing scheme. A lowside driver configuration a is best suited to powertrain loads such as motors and heaters, while a highside driver configuration b is better suited to fuel pumps and bodyrelated. The selection of r in and r out establishes the desired gain of this circuit, powered directly from the battery bus. Double channel highside driver with multisense analog feedback for automotive applications datasheet production data features general double channel smart high side driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions multiplexed analog. Design note 27 issue 1 february 1996 12v solenoid driverlatch dn27 1 design note 27 issue1 february 1996 dn 27 2 this circuit has been designed to control a solenoid by the operation of a single pushbutton switch. Active high compatible with 3 v and 5 v cmos outputs pin.
Loads that require blocking reverse battery current low or high side switched loads with currents 20a. Simple high side current sense using the ltc6101 figure 16 this is a basic high side current monitor using the ltc6101. High voltage, high and low side driver the ncp5106 is a high voltage gate driver ic providing two outputs for direct drive of 2 n. The measurement voltage typically originates at a current sense resistor, which is located in a high side circuit, for example a circuit not directly associated with ground. The devices are single channel highside drivers manufactured using st proprietary. Highside powerline monitoring is especially useful in batterypowered systems, since it does. The device is a single channel high side driver manufactured using st proprietary vipower technology and housed in the octapak package. Fullrange advantages n only one current sense resistor needed for bidirectional sensing n convenient sensing of load current onoff profiles for inductive loads. Highside driver with multisense analog feedback for automotive application datasheet production data features general single channel smart highside driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions multiplexed analog feedback of. A current sense pin outputs a highprecision current that is. Pchannel mosfets, the best choice for highside switching historically, pchannel fets were not considered as useful as their nchannel counterparts.
Singlechannel highside driver with analog current sense for. High and low side drivers switches stmicroelectronics. Its function is to provide a latching switch action upon sensing an input threshold voltage, with reset accomplished by an external clock signal. The device is designed to drive 12 v automotive grounded loads through a 3 v and 5 v cmoscompatible interface, and to provide protection and diagnostics. High speed switching with a gate driver ic is preferred as it. How to create high voltage levels for high side input of a. Lt1910 protected high side mosfet driver analog devices.
This requires both a robust, low onresistance power switch and accurate analog circuitry for diagnostic, protection and control functions. Mic50 2 july 2005 pin description refer to figures 1 and 2 pin number pin name pin function 1 input resets current sense latch and turns on power mosfet when taken above threshold 3. This includes multiple parallel connected mosfets for very high current applications. Quad channel highside driver with currentsense analog feedback for automotive applications datasheet production data features automotive qualified general quad channel smart highside driver with cs analog feedback very low standby current compatible with 3 v and 5 v cmos outputs currentsense diagnostic functions. The mic2545a49a is a costeffective, highlyintegrated. Highside driving and protection to a connected load. Pchannel mosfets, the best choice for highside switching. Singlechannel highside driver with analog current sense. Compatible with 3 v and 5 v cmos outputs multisense diagnostic functions. Highside driver with multisense analog feedback for automotive application datasheet production data features general single channel smart highside driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos output multisense diagnostic functions multiplexed analog feedback of. Smart highside drivers help meet tough new automotive standards. Specifically designed to provide pulseby pulse current limiting for switchmode power supply systems, but many other. Pi2061 high side high voltage load disconnect switch controller ic author. Active low compatible with 3 v and 5 v cmos outputs pin.
Programmable currentlimit highside switch general description. Vn7050ase, vn7050aje highside driver with multisense analog feedback for automotive application datasheet production data features automotive qualified general single channel smart highside driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions. You may have a current sense on the ground side so you need to switch on the high side. So one can use a mosfet gate driver such as the micrel mic5018.
Vnd7020ajdouble channel highside driver with multisense analogfeedback for automotive applicationsdatasheet production datafeaturesmax transient supply voltagevcc40 voperating voltage rangevcc datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Can be interfaced directly with many kinds of pulse width. Double channel high side driver with analog currentsense. Vn7040aj highside driver with multisense analog feedback for. Features ships with required tools accessories other tools blog posts discussions technical docsdata sheetvnd7020aje double channel highside driver. Ir2125 are low and high side drivers respectively, which have a high output drive. A cmos logiccompatible on and off input controls the output gate drive voltage. It uses the bootstrap technique to ensure a proper drive of the. The higher resistivity of ptype silicon, resulting from its lower carrier mobility, put it at a disadvantage compared to ntype silicon. And when we say low side, we generally mean the neutral or groundcommonreturn side. They are housed in so8, powersso12, powersso16, and powersso36 packages. Ncv7608 octal configurable lowhigh side driver the ncv7608 integrates 8 output drivers configurable in any combination of high. Output current limitation protects the device in overload condition. An internal latch allows for pushbutton onoff control with very low current consumption.
Highside driver with multisense analog feedback for automotive application datasheet production data features automotive qualified general single channel smart highside driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions. The lt6118is a complete high side current sense device that incorporates a precision current sense amplifier, an integrated voltage reference and a latching comparator. Evaluation board for vn7010aj highside driver element14. Highside driver with currentsense analog feedback for. High side intelligent power switches for automotive and. The pi2061 is a highspeed electronic circuit breaker controller ic designed for use with nchannel mosfets in high side load disconnect switch solutions for medium voltage applications. In buck mode, the er3125qi supports a wide input range of 3v to. Double channel highside driver with multisense analog feedback for automotive applications datasheet production data features automotive qualified general double channel smart high side driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions.
The integrated standard serial peripheral interface spi allows digital control of all output stages and. Max4172 lowcost, precision, highside currentsense amplifier. Smart highside drivers meet automotive standards digikey. Read about evaluation board for vn7010aj highside driver on. The current output of the ltc6101 allows it to be located re motely to r out. Highside driver with multisense analog feedback for automotive applications datasheet production data features automotive qualified general single channel smart high side driver with multisense analog feedback very low standby current compatible with 3 v and 5 v cmos outputs multisense diagnostic functions. Analog current sense output pin delivers a current proportional to the load current. High side drivers with analog current sense stmicro mouser.
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