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First Dialog programmable power parts from Silego deal

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By Nick Flaherty


The GreenPak SLG46826 and the SLG46824 devices are the first CMICs that support in-system programming using a simple I2C serial interface to a set of look up tables (LUTs). This streamlines the development process as it allows the installation of an un-programmed GreenPAK on the PCB, and supports programming of the Non-Volatile Memory (NVM) in-system for easy system checkout.

This flexibility is also beneficial in the production environment, as it is easy to modify the configuration or add functionality to these devices by programming the non-volatile memory on the production line, with up to 1,000 erase/write cycles. The SLG46826 also includes 2 kbits of EEPROM emulation memory that can replace an I2C-Compatible Serial EEPROM on the customer’s board, supporting storage of backup configuration data, a checksum or a serial number.

Available in a 2.0 x 3.0 mm 20-pin STQFN package, both CMICs are equipped with low power consumption analogue and digital resources such as analogue comparators (ACMPs), an internal voltage reference, power-on reset, and more advanced digital resources such as multi-function macro-cells. Running the low power analogue comparators with the internal low power voltage reference consumes 2.5µA typical for two ACMPs that are continuously monitoring external signals.

The SLG46824 supports 17 GPIO lines, 19 LUTs and two ACMP comparators, while the SLG46826 supports the same 17 GIO and 19 LUTs but four ACMPs. 

The 2.048 kHz oscillator consumes a few hundred nanoamps when active, which makes it suitable for watchdog timer applications, or other designs that require a low-speed oscillator that is always running. The power-on reset block operates all the time, which guarantees that the device will initialise correctly for any power ramp, and consumes just 100 nA at a 3.3 V supply voltage level. These devices are also dual supply capable, offering a further benefit of being able to translate signals between two voltage domains.

“These are our first GreenPAK devices that can be programmed in-system. The flexibility that comes from in-system programming and the benefits of Multi-Time Programming make these outstanding additions to the GPAK product family,” said John Teegen, Vice President and General Manager Configurable Mixed-signal Business Unit at Dialog Semiconductor. “These features and the ultra-low power consumption will add significant value in a wide range of battery powered applications and extend the range of addressable applications.”

Target applications include consumer electronics, IoT node devices, wearables and smart tags as well as the more established smartphone, tablets and notebook designs.

More information on the SLG46826 and SLG46824 CMICs can be found at www.dialog-semiconductor.com/products/slg46824

 


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