Programmable system timers draw only 30nA
They also replace a microcontroller’s internal timer, allowing the MCU to remain in low-power sleep mode. These so-called nano timers address a wide range of battery-powered and energy harvesting systems where the main system is in sleep mode or power-down mode most of the time. By drawing much lower current than an MCU timer, the TPL5000 and TPL5100 greatly reduce power consumption and extend the operating life of these systems.
The devices feature programmable timer intervals with a selectable timing delay that can be set from one to 64 seconds for the TPL5000. It can be programmed for 16- to 1,024-second intervals in energy harvesters, wireless sensor nodes and dataloggers, where measurement data changes slowly. The TPL5000 and TPL5100 are available today in 10-pin, 3x5mm VSSOP packages.
Visit Texas Instruments at www.ti.com
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