Design Ideas

More Design Ideas

LTC Design Note: Accurate, fast settling analog voltages from PWM signals

A unique IC mitigates the disadvantages of PWM DACs. Read More...

LED current regulator has low dropout

Meet an interesting addition to the field of LED current regulators. Read More...

Control an FPGA bus without using the processor

A bit of added hardware lets FPGA engineers access peripherals without having to deal with the processor. Read More...

LTC Design Note: Precision op-amp enables fast multiplexing at low power

A multiplexed DAQ design presents some subtle challenges, and parts selection plays a crucial role. Read More...

UVP protects rechargeable batteries

Protect rechargeable batteries from deep discharge with this UVP & load switch. Read More...

New slope compensation method stabilizes switchers

Add slope compensation to any switching controller and topology. Read More...

LTC Design Note: Monolithic linear battery charger operates from inputs up to 60V

For lower current, keep-alive battery charging, a simple yet richly featured linear solution can be ideal. Read More...

Splitting and arbiting a bidirectional serial bus

Serial buses like I2C are widespread. This Design Idea demonstrates ways of splitting each bidirectional line into two unidirectional ones – and Read More...

Forced quenching improves three-transistor FM tuner

That an FM tuner can be built using one transistor is impressive. This Design Idea is the luxury three-transistor version of that! Read More...

Active load handles high voltages

This electronic load design presses an electric kettle into service as a power resistor. Read More...

Circuit remotely adjusts PSU voltage

This DI circuit allows for remote regulator/PSU programmability or trimming. Read More...

A faster PWM-based DAC

PWM DACs are cheap, cheerful, and slow. But this Design Idea describes a way to speed them up. Read More...

LTC Design Note: Robust high voltage Over-the-Top op-amps maintain high input impedance with inputs driven apart or when powered down

Learn how the innards of an “over-the-top” op-amp work (where inputs can be higher than V+), as well as related design considerations. Read More...

Reduce relay coil current with a reset controller IC

A new twist on reducing power when driving relays and solenoids. Read More...

LTC Design Note: 55V High efficiency buck-boost power manager and multi-chemistry battery charger

A versatile, efficient, multi-chemistry battery charger design operates in buck & boost modes. Read More...

Control accurate incremental voltage steps with a rotary encoder

This handy little DI circuit affords precise voltage-step control and makes a good pot replacement in many cases. Read More...

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