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Solutions Search - LTC6101 - High Voltage, High-Side Current Sense Amplifier in SOT-23

Practical H-Bridge Current Monitor Offers Fault Detection and Bidirectional Load Information

Mar 17th 2005
This circuit shows a differential load measurement for an ADC using twin unidirectional sense measurements. Each LTC6101 performs high side sensing that rapidly responds to fault conditions, including load shorts and MOSFET failures. Hardware local to the switch module (not shown in the diagram) can provide the protection logic ...

Circuit 

 

Simple 500V High Side Current Monitor

Mar 17th 2005
Adding two external Mosfets to hold off the voltage al-lows the LTC6101 to connect to very high potentials and monitor the current flow. The output current from the LTC6101, which is proportional to the sensed input volt-age, flows through M1 to create a ground referenced output voltage. ...

Circuit 

 

48V Supply Current Monitor with Isolated Output and 105V Survivability

Mar 17th 2005
The HV version of the LTC6101 can operate with a total supply voltage of 105V. Current flow in high supply voltage rails can be monitored directly or in an isolated fashion as shown in this circuit. The gain of the circuit and the level of output current from the LTC6101 depends on the particular opto-isolator used. ...

Circuit 

 

High-Side Transimpedance Amplifier & APD Monitor

Mar 17th 2005
Current through a photodiode with a large reverse bias potential is converted to a ground referenced output voltage directly through an LTC6101. The supply rail can be as high as 70V. Gain of the I to V conversion, the trans- impedance, is set by the selection of resistor RL. ...

Circuit 

 

LTC6101/LT3021 Voltage Controlled Current Source

Mar 16th 2005
Adding a current sense amplifier in the feedback loop of an adjustable low dropout voltage regulator creates a simple voltage controlled current source. The range of output current sourced by the circuit is set only by the current capability of the voltage regulator. The current sense amplifier senses the output current and ...

Circuit LTspice 

 

16-Bit Resolution Unidirectional Current Sense into LTC2433 ADC

Jun 18th 2003
The LTC2433-1 can accurately digitize signal with source impedances up to 5kΩ. This LTC6101 current sense circuit uses a 4.99kΩ output resistance to meet this requirement, thus no additional buffering is necessary. ...

Circuit